Whether out in the fields or in the office, our expert staff are dedicated to growing the organic movement and assisting farmers through rigorous research, education, and outreach.

Executive Team

Jeff Moyer

Chief Executive Officer

Jeff Moyer is a world-renowned authority in organic agriculture. His expertise includes organic crop production systems with a focus on weed management, cover crops, crop rotations, equipment modification and use, and facilities design. Jeff is perhaps most well-known for conceptualizing and popularizing the No Till Roller Crimper for use in organic agriculture. His vast experience and knowledge regarding organic farming has provided the media with a reliable source and perspective for information on current agricultural issues.

Jeff has been on staff at Rodale Institute for over 44 years. He spent over 30 years as Farm Manager/Director, was appointed as Executive Director of the Institute in September 2015, and became CEO in September of 2019. Jeff was project leader on the highly acclaimed Organic No-Till project and is the author of two books on this subject: “Organic No-Till Farming – Advancing No-Till Agriculture Crops, Soil, Equipment” and “Roller/Crimper No-Till – Advancing No-Till Agriculture.”  He is a past chair of the National Organic Standards Board and currently sits on the boards of Regenerative Organic Alliance, the Soil Health Institute and advisory board of The Real Organic Project.  Jeff is a founding board member of Pennsylvania Certified Organic and past Founder and Board Chair of The Seed Farm, a new farmer incubator project.

elaine macbeth

Elaine Macbeth

Chief Financial Officer

Elaine manages the Institute’s budget, all aspects of the organization’s finances, internal controls and human resources for the organization. She has more than 17 years of experience in finance and significant expertise in nonprofit accounting.

andrew smith

Dr. Andrew Smith

Chief Operating Officer

Dr. Andrew Smith oversees the research and farm operations at Rodale Institute and is passionate about growing the organic movement by providing science-based solutions to farmers and facilitating opportunities to expand the number of organic farmers and farmland across the globe. He has over twenty years of experience working in the organic industry as an agronomist, researcher, and farmer. While trained as an entomologist, his motive for entering the organic industry was to reduce the use of chemicals for food production that end up in our environment, food, and bodies. He now has the opportunity to support an amazing group of dedicated people working diligently on many projects to transform the food system and the way we farm to improve the lives and health of all people and the planet. He also continues to live and work on his own organic family farm.

Jeff Tkach

Chief Impact Officer

Jeff Tkach serves as the Chief Impact Officer for the Rodale Institute. Jeff is responsible for expanding Rodale Institute’s global influence in healing people and the planet by unlocking the transformational power of regenerative organic agriculture.

As Chief Impact Officer, Jeff leads the development and execution of the Institute’s core strategies, overseeing opportunities for partnership and co-investment that drive positive outcomes for Rodale’s philanthropic and programmatic initiatives.

Jeff served on the Rodale Institute’s Board of Directors in 2016, where he was instrumental in fostering relationships between the organization and business leaders in the organic food industry.

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Dr. Reza Afshar

Chief Scientist

Dr. Reza Afshar earned a PhD in Agronomy from University of Tehran. Before joining Rodale Institute, he worked as Research Scientist at Colorado State University, Postdoctoral Research Associate at Montana State University, and Research Fellow at University of Massachusetts-Amherst.

Dr. Madhav Dhakal

Crop and Weed Scientist

Dr. Dhakal is developing a research program on organic crop and weed management that may include cover crop-based no-till and continuous organic no-till farming, integrating crops and livestock, technological adoption, adaptation, and innovation, alley-cropping, intercropping, and intensification in regenerative organic systems. He did his Ph.D. from Texas Tech University in Plant and Soil Science, a master’s degree in Agronomy (weed science) and a B.S. in Agricultural Science from Tribhuvan University, Nepal. Before joining Rodale Institute, Dr. Dhakal worked for USDA-ARS and Mississippi State University to oversee Cropland Common Experiment of Long-Term Agroecosystem Research (LTAR) project in Mississippi.

Dr. Yichao Rui

Director, Farming Systems Trial

Yichao is a soil scientist with a focus on improving soil health and environmental quality in agricultural systems through regenerative practices. Yichao oversees the Farming Systems Trial, in addition to supporting all other projects at Rodale Institute. He also leads outreach initiatives to educate the public and farmers on the benefits of improving soil health. Yichao holds a B.S. in Biology from Nankai University and Ph.D. degrees in Microbial Ecology and Soil Science from the University of Chinese Academy of Sciences and Griffith University. Before joining Rodale Institute, Yichao worked in the University of Western Australia and the University of Wisconsin-Madison on a variety of projects evaluating the impacts of climate change, land use, and management strategies on soil organic matter stability, nutrient cycling, and microbial activity.

Yichao’s publications →

gladis zinati

Dr. Gladis Zinati

Director, Vegetable Systems Trial

Dr. Gladis Zinati, director of the Vegetable Systems Trial and Soil Scientist. She evaluates the impact of cropping systems and management practices on nutrient cycling, carbon sequestration, vegetable nutrient density and plant resistance to pests. She conducts research on no-till practices, fertilizers, cover crops, compost formulations, and biological tools to improve pest management. She has 30 years’ experience and holds undergraduate degrees in General Agriculture and Agriculture Engineering; a M.S. in Horticulture from the American University of Beirut; and a Ph.D. in Soil Fertility from Michigan State University. Before joining Rodale Institute in 2012, Gladis worked on projects evaluating management practices that optimize crop yields and reduce degradation of water quality at the University of Florida and Rutgers University.

Annie Benson

Research Technician

Annie is the primary technician on Rodale’s agronomic projects, including the Farming Systems Trial and the NRCS Conservation Innovation Grant (CIG) Cover Crop project. She holds a Biology degree from Middlebury College and has research experience in entomology and pollination ecology. Annie grew up on a small organic farm in Minnesota and is thrilled to be working in agriculture again.

Carolyn Garrity

Research Technician

Carolyn is a research technician for Rodale. She has a B.S. in oceanography from the University of Maine.  She spent a year as an AmeriCorps volunteer with the Montana Conservation Corps where she became involved in community outreach.  Once returning to her hometown in PA, she spent several years working on local, organic farms developing her passion for sustainable agriculture before joining the team at Rodale.    

Nikki Hogan

Research Technician

Nikki works primarily on the Vegetable Systems Trail, while also assisting with other vegetable projects at Rodale. She completed her undergrad at University of Washington, Seattle with two degrees: a Bachelor of Science in Environmental Science and Resource Management and a Bachelor of Arts in Food Systems, Nutrition, and Health, with a minor in Environmental Studies.  Before joining the Rodale team, she worked at a Food Forest in Portland, Oregon—her hometown. She then moved to Hawai’i and worked on an organic agroforestry farm on the Big Island. Nikki is interested in exploring the overlapping characteristics of her degrees, especially as it pertains to sustainable agriculture, human-nature interactions, and systems-thinking.

Amiya Kalra

Research Technician

Amiya works primarily on the arbuscular mycorrhizae research projects at the Rodale Institute in partnership with the USDA Agricultural Research Service at the Eastern Regional Research Center outside Philadelphia. She also previously worked as the research technician for the Vegetable Systems Trial and other vegetable projects at Rodale Institute. She holds a B.A. in Environmental Studies from the University of Pittsburgh. Before joining the Rodale Institute team, she worked as an applied remote sensing researcher in the NASA DEVELOP National Program.

Casey Lapham

Research Technician

Casey works primarily on Rodale Institute’s industrial hemp research, while also assisting with the institute’s other research projects. She holds a B.S. in Environmental Studies and a minor in Spanish from Juniata College. Before joining the Rodale Institute team she worked as a wildlife research technician and an urban permaculture gardener.

Sara Major

Research Technician

Sara is a research technician at the Rodale Institute, where she works primarily on their pastured hog parasite research project. She previously held the role of animal husbandry coordinator before transitioning to the research team. Sara graduated from Kutztown University with a Biology/Pre-medicine degree in 2019, and it was during her undergrad that she began working with Rodale’s pastured pork research. Sara feels passionate about improving the health and quality of life of organic livestock in a way that is manageable and profitable for farmers.

Farm Operations

Rick Carr

Farm Director

Rick directs farm operations at all Rodale Institute campuses. He has previously acted as Rodale Institute’s Compost Production Specialist. He earned a Master of Science degree in Plant Pathology from Cornell University in 2012. When not in the lab, he frequently worked with the Master Composters and Gardeners of New York State. Before coming to Rodale Institute, Rick conducted research on a large certified organic farm in Argentina.

Jesse Barrett

Food Production Specialist

Jesse manages Rodale Institute’s farm share and other community-facing food programs. Jesse holds a Bachelor’s Degree in Sociology from William Paterson University of New Jersey. After college, Jesse spent over ten years in corporate restaurants, including a position as manager in a farm-to-table, fine-dining restaurant where he established relationships with local farmers. His experiences led him to the realization that there are major flaws in our food system that create the need for a regenerative food system.

Ian Frederick

Cornwall Manor - Rodale Institute Trailside Organic Farm Farm Manager

Ian manages the farm operations at the Cornwall Manor – Rodale Institute Trailside Organic Farm located outside of Lebanon, Pennsylvania. In 2019, Ian earned a Bachelor’s degree in Sustainability from Messiah College. He previously worked as a Field Technician at Rodale Institute’s main campus in Kutztown. While there, he placed special attention on ornamental gardening, pollinator habitats and compost production. He is passionate about making the Trailside Organic Farm a destination for inspiration for the residents of Cornwall Manor, and he works closely with Manor staff.

Katie Landis

Cornwall Manor - Rodale Institute Trailside Organic Farm Assistant Manager

Katie has a decade of experience working on organic farms growing everything from medicinal herbs to cut flowers to vegetables. Prior to joining the staff at Cornwall Manor – Rodale Institute Trailside Organic Farm, she was the Farm Manager at Homefields Care Farm in Millersville, an 18 acre vegetable farm with a 180 member CSA. She is passionate about promoting organic agriculture and loves to eat locally grown food.

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Don Jantzi

Field Operations Foreman

Don manages Rodale Institute’s apple orchards, which are home to 20 varieties of scab resistant apples. Don has been experimenting with pesticide-free techniques in the orchards for over three decades.

Baylor Lansden

Field and Animal Husbandry Technician

Baylor began his journey into the agricultural world at a young age with an obsession with all things with feathers, wool, hooves, or jowls. After earning a B.A. in Political Science from Louisiana State University, he found his path back to agriculture with several years of internships at non-profits and farms and a master’s degree in Food Security from the University of Edinburgh. At Rodale Institute, he has found a place where he finally gets to do what he’s always wanted: raise animals in a way that makes sense for animal welfare, environmental well-being, and human health.

John Long

Greenhouse/Landscape Specialist

John has over a decade of experience in organic farm management. John has most recently been farm manager at Blue Moon Acres in New Jersey and also managed the Delaware Valley University greenhouses for 10 years prior to Blue Moon.

Lily Means

Farm Operation Technician

Lily got her start in agriculture in 2014 through joining the AmeriCorps program; where she lived and worked on a 400-acre self-sufficient organic farm. She went on to work for Kneehigh Farm in Pottstown, PA, and then on to co-manage vegetable production at Wildfox Farm in Barto, PA. These opportunities have given her a love for regenerative agriculture and the local PA farming community, which she is honored to continue being a part of through Rodale.

Aslynn Parzanese

Rodale Institute St. Luke’s Organic Farm Farm Manager

Aslynn is responsible for farm operations at St. Luke’s-Rodale Institute Organic Farm. Previously, she participated in Rodale Institute’s Farmer Training program beginning in April 2019. Aslynn grew up in Berks County and has been working with holistic farming practices for the past four years. Off the farm, she supports the Kula Kamala Foundation in Reading, PA, and her favorite vegetable is a beet.

michael schmaeling

Michael Schmaeling

Founders Campus Farm Manager, Rodale Institute Resident Beekeeper

Michael manages and maintains the Institute’s treatment-free honeybee conservancy, where he selectively breeds healthy queens to create new colonies. Additionally, he is the manager of the Rodale Institute Founder’s Campus.

molly schmaeling

Molly Schmaeling

Founders Campus CSA Operator & Landscape Designer

Molly, who holds a B.S. in Biology and a B.A. in Fine Art from Kutztown University, was previously the Farm and Hospitality Manager at Rodale Inc. In her current position, she maintains the ornamental gardens and operates a small organic CSA at the Rodale Institute Founder’s Campus.

Brandon Wehr

Farm Operations Technician

Brandon originates from the Lehigh Valley. After Graduating from Technical School for Mechanical design he Worked for Lutron Electronics. He decided to make a change and work in Agriculture, where he could utilize his Mechanical background, love for the outdoors, and interest in plants. He worked in the Viticulture and Wine making industry where he gained hands on production farm experience, and knowledge for 7 plus years.

Matt Weisbach

Rodale Institute St. Luke’s Organic Farm Fruit Manager

Matt helps the St. Lukes Rodale Institute Organic Farm expand the existing vegetable operation into fruit production. Matt started farming in 2019 on conventional dairy farms. Matt joined RIFT to learn organic and sustainable agricultural practices. He completed a 2nd year RIFT fellowship in 2021.

Ross Williams

Rodale Institute St. Luke’s Organic Farm Farm Technician

Ross supports the Rodale Institute St. Luke’s organic farm. He has diverse farm experience from floriculture to organic vegetable production. Ross is a Graduate of Penn State where he received an undergraduate degree in Hospitality Management with an emphasis in the culinary arts. By working in kitchens around the world he found a better understanding of organic nutrient dense foods. He has since found a love and passion for farming and never left. In his free time, you can find him exploring his love for the culinary arts and tending to his bonsai garden.

Communications, Development & Education

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Annie Brown

Vice President of Development

Annie is responsible for raising money from foundations, corporations and individuals so the Institute may continue its work. Previously the Institute’s West Coast Representative, she joined full time in January 2016. She lives in Boulder, Colorado.

Maria Pop

Director of Education

Maria plans and implements educational programs and develops and manages the Institute’s online educational tools for farmers. Her background includes a Horticultural Engineering degree, a M.Ed. in Adult Education, and a postgraduate Certification in Distance Education from Penn State University.

Justin Barclay

Global Education Operations Manager

Justin oversees and manages all facets of the veterans participating in the Veteran Farmer Training Program as well as coordinating the educational component of the Rodale Institute Farmer Training program, and assisting the Education Department with managing the Virtual Campus. He served for six years on active duty in the US Army including a deployment to Afghanistan and an overseas tour in Germany. His educational background includes a B.S. from the United States Military Academy and a Masters Degree from Northeastern University. Justin currently lives on a small horse farm in Carbon County.

Shawn Brown

Visitor Experience Manager

Shawn oversees all weddings, events, and visitor programs at Rodale Institute.

Nadine Clopton

Program Manager

A heart-centered paradigm shifter, Nadine is committed to co-creating a world that places compassion, communities, and ecosystems at the root of positive change. As a Program Manager at Rodale, she is focusing on scaling up the Grow Clean Water campaign as well as co-organizing the 2022 Regenerative Health Conference. She holds a Masters in Environmental Policy from Lehigh University. Outside of Rodale, she is an environmental & human rights activist, herbalist, resilience & alignment coach, consultant, writer, public speaker, and a classically trained opera singer. She’s the Founder of Conscious Consulting, LLC, serves as Vice President of the Global NGO Executive Committee, and has served as a volunteer NGO Youth Representative to the United Nations for the past 6 years. She’s on the inaugural Board of Directors of Indigenous NCDs and is deeply passionate about intersectional, equitable regenerative health.

Jack Dempsey


Jack is responsible for filming and editing video and photo content for Rodale Institute. He is currently studying Media Communications at Full Sail University. Previously, Jack has worked on several farms, including The Center for Agroecology and Sustainable Food Systems at the University of California, Santa Cruz, and has participated in the The University of Vermont’s Farmer Training Program.

heather gurk

Heather Gurk

Rodale Institute Garden Store Manager

Heather manages the Rodale Institute Garden Store and Rodale Institute’s Book Club. She is formerly the editor of a nutrition publication for registered dietitians.


Tammy Hobar

Brand Manager

As the Brand Manager for the Institute, Tammy helps to guide and optimize brand exposure through programs and partnerships, including corporate, retailer and brand partnerships, and the ambassador program.  Before joining the Rodale Institute team, Tammy was the Marketing Programs Manager at Halo, Purely for Pets.  Previously she served as Marketing Director of Rodale’s Organic Life & Prevention, Organic Gardening Magazine, as well as several other Rodale publications.  Tammy earned her B.A. in Communications/English from Cedar Crest College.

dan kemper

Dan Kemper

Master Trainer

Dan is the Farm Manager at Rodale Institute Headquarters and Program Manager for the Rodale Institute Farmer Training program. He received his B.S. in Biology/Ecology from Kutztown University, then went on to learn the basics of organic vegetable farming from John and Aimee Good of The Good Farm. Dan started at Rodale Institute in 2014 as a support staff team member, before being promoted to Field Foreman and finally Farm Manager. Today, Dan oversees all 333 acres of the Headquarters and manages all aspects of the Rodale Institute Farmer Training program.

Josh Lilly

Development Associate

Joining Rodale Institute in November 2019, Josh manages the fundraising database. He earned his B.A. in Communications & Rhetoric from the University of Pittsburgh and has over 10 years of non-profit fundraising experience, particularly with database management.

Sarah Longenecker

Digital Marketing Specialist

Sarah creates content for Rodale Institute’s social media accounts, assists with updating the organization’s website, and produces Rodale Institute’s bi-monthly national newsletters. Sarah has her bachelor’s degree in Photography from Eastern Mennonite University. Prior to working for the Rodale Institute, Sarah worked as a Web Designer and Podcast Producer for the Center for Sustainable Climate Solutions, and as a Produce Specialist for an organic grocery store.

David Pryor

Director of Marketing & Communications

Dave is responsible for positioning the Rodale Institute brand as the global leader in regenerative organic agriculture and providing oversight to the Institute’s global marketing and communications efforts. He once worked at Rodale, Inc. in the Health & Fitness Books division, Creative Department, I.T. and at Bicycling magazine and Mountain Bike magazine. Most recently, Dave was Art Director and then Marketing Manager at Lehigh University. He lives in Emmaus, PA.

Margaret Wilson

Content & PR Manager

Margaret produces written content and handles media inquiries for Rodale Institute. Margaret earned her B.A. in Political Science/Environmental Studies from Franklin & Marshall College, and her M.A. in Environmental Policy from Lehigh University. Previously, she worked on environmental policy management in both the public and non-profit sectors.


Sam Malriat

Director, Organic Consulting

Sam provides on-site technical assistance to farmers, landowners, and businesses that are interested in transitioning land to certified organic and regenerative production systems. He earned a B.S. in Agricultural Sciences from Cornell University, and has over 12 years of practical farming experience in Pennsylvania, New York, and Maryland, specializing in vegetable and grain production. Sam is a Certified Crop Adviser and is IOIA Certified in Crops and Livestock. He also serves as a board member for Pennsylvania Certified Organic, PA FarmLink, and sits on the Governing Council for the Organic Farmers Association.

Emily Newman Gantz

Organic Consulting Program Manager

Emily joined the consulting team in January 2020 and helps farmers navigate organic compliance as they transition to certified organic. She holds a B.S. in Environmental Resource Management, focusing in Soil Science, from Pennsylvania State University and is currently pursuing an M.B.A. in Food and Agribusiness from Delaware Valley University. Prior to joining the team at Rodale Institute, she worked in regulatory compliance of organics for a certification agency and a materials review organization. She is IOIA trained, a Certified Crop Advisor and serves as a board member for the Organic Materials Review Institute (OMRI).

Nathanael Gonzales-Siemens

California Organic Consultant

Nathanael Gonzales-Siemens is returning to his roots and the spirit of discovery that first brought him back into farming after a decade of teaching in inner-city Los Angeles and in China and working for criminal justice reform on the West Coast. Nathanael spent his undergrad years studying Plant Genetics and Biology at UCLA and has a teaching credential for CSU Los Angeles. He grew up on a small farm in California’s San Joaquin Valley and founded two businesses there with his family. The first, now run by his brother, is focused on food justice and sovereignty and the second, operated by his wife, strives to implement regenerative farming practices and to equip and empower traditionally underrepresented groups.

Kegan Hilaire

Small Farms & Diversified Vegetable Consultant

Kegan was born and raised in the Lehigh Valley, before moving to Philadelphia to complete his bachelor’s degree in Economics from Temple University. After joining a CSA in the city, he was hooked on the production of fresh, local, seasonal food. It has led him from Sales manager of a 5th-generation dairy farm, to managing a diversified, organic farm, to the Rodale Institute Farmer Training Program, and finally to the facilities and landscape team at the Founder’s Farm Campus. Kegan also owns and operates a small organic farm in Emmaus, PA.

Samantha Hilborn

New Mexico Organic Consultant

Samantha joined the Rodale Institute Consulting Team in January 2022 and helps New Mexico farmers transition to certified organic. She grew up in New Mexico and is from the Pueblos of Laguna and Acoma. Samantha has a M.S. in Horticulture and Agronomy with a specialization in plant breeding from University of California, Davis and a B.S. in Horticulture from New Mexico State University. Prior to joining the Rodale Institute, she was working as a staff research associate for the spinach breeding program at UC Davis. She is passionate about sharing her knowledge of crop production, creating connections between farmers and fostering food sovereignty in New Mexico and beyond. She is based out of Santa Fe, NM.

Nicholas Podoll

Midwest Organic Consultant

Nic is a lifelong organic farmer, having grown up and farmed with his family on their certified organic farm in southeast North Dakota, raising small grains and vegetable seed. Prior to working at Rodale Institute, he worked in Extension for the University of Minnesota and North Dakota State University. He also served several years on the NCR-SARE Farmer Rancher Grant Review Committee. Nic is IOIA certified in crops and holds a Master’s in Agricultural & Extension Education from North Carolina State University. He is located in north-central Minnesota.

Ryan Siwinski

Organic Livestock & Dairy Consultant

Ryan joined the team in August 2021 where he assists livestock and dairy farmers in their transition from conventional to organic meat and dairy production. He holds a B.S. in Supply Chain Management from Drexel University in Philadelphia, PA. Ryan shifted his career from supply chain management to organic and regenerative agriculture to pursue his passion for improving the global regenerative food supply. Prior to joining the team at Rodale Institute, Ryan worked in farm operations at multiple livestock farms in Pennsylvania and Georgia. Ryan is located at the Rodale Institute Headquarters in Kutztown, PA.

Caitlin Tucker

New York Region Organic Consultant

Caitlin joined the Rodale Institute Consulting Team in January 2022 and is excited to support farmers across New York transition to organic production. She grew up on a small farm in Mid-Missouri where she spent most of her summers in the hayfields. While in the Midwest, she received her B.S. in Plant Sciences from the University of Missouri, and conducted research on small grains, cover cropping, and water quality. She is currently pursuing a M.S. in Entomology with a focus on Integrated Pest Management from the University of Kentucky. Prior to joining the Rodale Institute, Caitlin worked for the Cornell Vegetable Program for several years, where she served vegetable producers across Western New York through education, research, and production assistance. She is based out of Buffalo, NY.

Léa Vereecke

Midwest Organic Consultant

Joining the team in January 2021, Léa is thrilled to work with a renowned organization and connect with new farmers as an Organic Consultant based in Madison, WI. After growing up on a grain farm in Northeastern France, Léa earned an M.S. in Agronomy and Agroecology. For four years, she was a Research Specialist with Dr. Erin Silva at the University of Wisconsin-Madison, overseeing diverse research projects—including cover crop-based reduced tillage systems, organic row crops, small grains, cover crops, industrial hemp, and more. Léa has always been fascinated by sustainable agronomic crop production and values maintaining close relationships with farmers to motivate and inform her work.

Zachary West

Southeast Organic Consultant

Zach joined the Rodale Consulting Team in August 2021 and is based at the Southeast Organic Center in Georgia. Zach grew up in Georgia but has had the opportunity to work on diverse agricultural systems in various other locations around the world. Zach holds a M.S. in Organic Agriculture and Food Systems and is passionate to share his knowledge of sustainability and organic practices. Prior to joining the Rodale Institute, he worked at an organic certifier and has an in depth understanding of the organic regulations and hopes to share his knowledge with farmers who would like to succeed in converting to organic management practices.

Bridget Gilmore

Organic & ROC Market Coordinator

Bridget cultivates connection between growers and buyers. She grew up in Bethlehem, Pennsylvania and studied Leadership, Ethics, & Organizational Sustainability at Saint Joseph’s University. She has gathered food system experiences in different parts of the world with small scale farmers, a CPG company, and a natural distributor. She is thrilled to propel her passions for regenerative organic  agriculture and food sovereignty. Bridget joined the team in February 2022. She lives in Boulder, Colorado.

Finance and Human Resources

linda carlson-lockwood

Linda Carlson-Lockwood

Accountant/Human Resources Assistant

Linda has been with Rodale Institute since May 1999 managing various accounting and human resources functions. Linda graduated from Penn State University with a degree in Business Administration.

Idelfi Crespo

Senior Administrative Assistant, Consulting & Accounting/HR

Idelfi is Senior Administrative Assistant to the Organic Consultancy and Accounting/ HR departments. She holds a Bachelor of Science in Public Health, and her prior experience includes Health Care Management Administration. Having lived all her life in New York City, she has always been very passionate about accessibility to affordable healthy foods in the inner cities, clean eating and green spaces.

stacy glackin

Stacy Glackin

Grants Manager

Stacy manages the submission of competitive grant proposals, monitors federal and non-federal grant expenses, budgets and forecasts, and oversees the completion of grant deliverables, reporting, and close-out. Stacy holds a B.A. in Accounting from Millersville University and has been working in grants management in the nonprofit industry for over 15 years.


Kim Schroeder

Executive Assistant

Kim has worked in various areas and departments of Rodale Institute for 26 years. As Executive Assistant, she administratively supports the Chief Executive Officer, Chief Impact Officer, and Chief Financial Officer.

louise devall

Louise DeVall

Programs Support Assistant and Travel Coordinator

Louise has been with the Institute since August 1999. She arranges all travel and speaking engagements for Institute staff, places orders for departments, handles the organic certification paperwork for the Institute, and more.

Nate Hawk

Facilities Manager

Nate handles facilities, maintenance, and other duties at Rodale Institute. Born and raised in Lehighton, Nate received his B.S. in Geology from Lafayette College. Nate has previously worked in the environmental consulting, civil engineering, and water well drilling industries, and is excited to be part of an organization that strives to strengthen and give back to our environment, while improving our food system.

bruce schroeder

Bruce Schroeder


Bruce retired from Carpenter Technology after 35 years and first volunteered at the Institute before joining as permanent staff  in 2015.

John Stiavelli

Senior Technology Analyst

John manages information technology on the farm.  John has managed several I.T. departments for companies in New York and Arizona as well as United Way of the Greater Lehigh Valley.

Midwest Organic Center

Drew Erickson

Midwest Organic Center Farm Manager

Drew is a lifelong steward of the land with a diverse background in land management. Following graduation from Colorado State University’s natural resource program, he spent several seasons with the United States Forest Service, then worked for a parks department in Oregon. Prior to joining Rodale Institute, Drew spent 8 years working at a diverse farm in California’s Napa Valley. There he raised chickens and turkeys, cared for horses, managed the forest, and assisted with producing fruits and vegetables. He joined the team at the Rodale Institute Midwest Organic Center in February of 2021.

Linda Sturm-Flores

Midwest Organic Center Research Technician

Linda grew up on an organic urban farm in Falls Church, VA. She holds two Masters of Science in forestry and agronomy from NC State and Texas A&M, respectively, and is a former Peace Corps Volunteer. Over the years, Linda has promoted organic methods in the landscaping industry; worked with the North Carolina Department of Labor to ensure safe working and housing conditions for migrant farm workers; served as the Executive Director of Health for All, a free medical clinic in Bryan, Texas; and worked as a stay-at-home mom for 15 years.

Southeast Organic Center

Garver Akers

Southeast Organic Center Farm Manager

Garver is a certified ecological horticulturist, agroecologist, farmer, and educator. He specializes in multi-scale, diverse variety, sustainable crop production. Prior to coming to the Rodale Institute Southeast Organic Center, Garver worked as a ecological horticulture consultant and field production manager for a variety of farms. Garver trained in ecological horticulture at The Center for Agroecology and Sustainable Food Systems at the University of California, Santa Cruz.

Dr. Kristie Wendelberger

Southeast Organic Center Research Director

Dr. Kristie Wendelberger is responsible for expanding organic farming practices throughout the southeast through research, outreach, and education. While obtaining her bachelor’s degree in Environmental and Plant Biology from Ohio University, Kristie worked on an organic vegetable farm in southeast Ohio. She went on to work in nursery production moving on to ecological rare plant research throughout the tropics, subtropics, and western and southeastern U.S. Kristie earned her Master of Science in Ecology from the University of North Carolina, Chapel Hill where she looked at regeneration niche requirements of an endangered south Florida plant species. She completed her PhD in Biology from Florida International University in 2016 using remote sensing and greenhouse experiments to answer questions about plant community change along the southern coast of Everglades National Park due to sea level rise and large-scale ecosystem drying.

California Organic Center

Dr. Arianna Bozzolo

California Organic Center Research Director

Dr. Arianna Bozzolo is applying scientific research to advance organic and regenerative agricultural practices in the Southern California area. Arianna earned a bachelor’s degree in horticulture, a master’s in Entomology, and a PhD in viticulture at the University of Padua, Italy. She is a well-rounded professional with extensive academic experience pertaining to soil science and crop physiology responses to various inputs or environmental stresses, along with general farm management experience.

Tony de Veyra

California Organic Center Farm Manager

Tony de Veyra is the Farm Manager at the California Organic Center. Prior to joining the Rodale Institute, Tony worked in the hemp industry. He oversaw the first hemp test plots in California and worked on feminized seed production and breeding. Before hemp, Tony cultivated citrus and avocados in Orange County and built multi-species, no-till urban farms and edible landscapes with the Sarvodaya Institute in Pomona. Tony has a degree in Plant Science from Cal Poly Pomona and studied ecological design at Quail Springs Permaculture.

Pocono Organic Center

Dr. Arash Ghale

Rodale Institute- Pocono Organic Center Research Director

Arash is an Agroecologist with research interests in the field of sustainable agriculture and crop diversification. His professional goal is to promote sustainable agriculture through the implementation of cost-effective changes striving towards holistic and ecologically sound management of crop production. The projects that Arash conducts contribute to the development of new high-value crops to encourage product diversification and strengthen financial viability of farms. Arash strongly believes that the increased farm income generated from high value crops will improve the quality and sustainability of family farms.