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.

jeff moyer

Jeff Moyer

Executive Director

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.

Jeff brings a farmer’s perspective and approach to issues in organic agriculture. He is a past chair of the National Organic Standards Board, a founding board member of Pennsylvania Certified Organic, the Chairman of the Board of The Seed Farm, part of the Green America Non-GMO Working Group, a Project Member of The Noble Foundation’s Soil Renaissance project, and a Board Member of PA Farm Link.

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andrew smith

Dr. Andrew Smith

Chief Scientist

Dr. Andrew Smith is responsible for administrating, facilitating and implementing research activities as well as leading and expanding the Research team’s impact on a global stage. Smith earned a Bachelor of Science in agronomy at Cornell University and a Master of Science in entomology at the University of Maryland. After two years in the Peace Corp assisting a cooperative of small-scale vegetable farmers in Guatemala and ten years farming organically in Pennsylvania, Smith attended Drexel University in Philadelphia, where he earned his Ph.D. in environmental science with a concentration in molecular and population ecology. Smith formerly held the position of Research Director for the Vegetable Systems Trial.

gladis zinati

Dr. Gladis Zinati

Director of Vegetable Systems Trial

Dr. Gladis Zinati, director of the Vegetable Systems Trial, also evaluates no-till practices, carbon sequestration, nutrient density, compost formulations, and pest management. She has 26 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.

emmanuel omondi

Dr. Emmanuel Omondi

Director of Farming Systems Trial

Dr. Emmanuel Omondi manages all research activities of the Farming Systems Trial. He grew up on a farm in Kenya and has been involved in sustainable agriculture work since 1992. Emmanuel’s expertise is in soil-plant nutrient dynamics as well as evaluating cover crop options, crop spacing, and weed tolerance dynamics to reduce tillage in organic farming. He holds a B.S. in General Agriculture from the University of Nairobi, Kenya, and M.S. and Ph.D. degrees in Agronomy from the University of Wyoming.

atanu mukherjee

Dr. Atanu Mukherjee

Post Doctoral Research Associate

Atanu is a Ph.D. graduate from the University of Florida with a concentration in soil and water science. His previous research has covered environmental soil chemistry, soil quality assessment, biochar technology, greenhouse gas emissions, and sustainable agriculture. He is the author of tens of peer-reviewed publications, and his work is currently highly cited (H-index: 12) in Google Scholar Citations.

rick carr

Rick Carr

Compost Production Specialist

Rick conducts research on composting best practices. 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.

tara caton

Tara Caton

Senior Lab Technician

Tara manages day-to-day research activities and manages support staff. She received her B.S. in Organismal Biology and Ecology at Kutztown University and a M.S. in Biology with a concentration in Botany from Bucknell University.

emily lesher

Emily Lesher

Research Technician

Emily assists with research needs both in the field and in the lab. She received her B.S. from Kutztown University, where she studied organismal biology and ecology. Her research interests include agroecology, weed management techniques, and wildlife ecology.

Jessica Lang

Research Technician

Jessica provides support to all research department projects both in the field and the lab.  She earned a B.S. from Penn State University in Biology with an Ecology concentration and a M.S. from Johns Hopkins University in Environmental Sciences and Policy.  Jessica’s interests include reducing the impacts of agriculture on the provisioning of ecosystem services and assisting farmers in the transition to regenerative organic agriculture.

Farm Operations

ross duffield

Ross Duffield

Farm Manager

Ross grew up on a dairy farm in northeast Pennsylvania. After attending Kutztown University and working as a school teacher for several years, he realized his passion lay in agriculture. In 2013, he joined the Institute, where he now oversees all farm operations including field maintenance, planting and seeding, maintaining the farm equipment, and expanding livestock operations.

maggie saska

Maggie Saska

Plant Production Specialist

Maggie oversees all horticulture including greenhouse operations and gardens. She has over 20 years’ experience including a previous position at the New York Botanical Gardens. She holds a B.S. in Horticulture and a M.S. in Plant Science from University of Connecticut. In 2013, the USDA/Natural Resource and Conservation Service awarded her among “Women Inspiring Conservation in Connecticut”.

dan kemper

Daniel Kemper

Field Foreman

Dan manages all vegetable production fields. After numerous plant science classes and an internship at Quiet Creek Farm, Dan received a B.S. in Biology at Kutztown University. He then worked for Quiet Creek for two years before coming to the Institute.

don jantiz

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.

Shelby Dukes

Animal Husbandry Coordinator

Shelby oversees all livestock, maintains pastures, and manages rotational grazing. She was raised on a crop and poultry farm in southern Delaware, earning a B.S. in Animal and Food Sciences from the University of Delaware. Previously, she worked on the university’s Dairy and Beef & Sheep Farms and as an assistant farm manager at a sheep dairy producing cheese.

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Mark Fabian


Mark has worked in various construction fields for the past 26 years. He began working at the Institute as a Facilities Team Member.

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.

jonathan skaro

Jonathan Skaro

Pocono Organics Farm Manager

Jonathan graduated from Delaware Valley University with a B.S. in Agribusiness after completing internships as a custom harvester and farm manager for companies including Ocean Spray and Hanover Foods. He was previously the part-owner of a vegetable production farm in Reisterstown, MD.

lynn trizna

Lynn Trizna

Rodale Institute St. Luke’s Organic Farm Project Manager

Lynn began farming in 2007, when she spent the summer working on her first farm. She received a Bachelor’s Degree in Urban Studies from the University of Pittsburgh.

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Stephanie Zimmermann-Schmitt

Rodale Institute St. Luke’s Organic Farm Assistant Manager

Stephanie has worked with the Institute since 2014. She joined the St. Luke’s Rodale Institute Organic Farm in its first season. Outside of the Institute, Stephanie raises hogs at home.

Development and Communications

jeff tkach

Jeff Tkach

Chief Growth Officer

Prior to working at the Institute, Jeff was the Managing Director, Vice President for Rodale’s Organic Life and Prevention. From 2009-2013, he served as Organic Gardening’s associate publisher and publisher. Previously, Jeff he as vice president of sales and marketing at LifeTime Fitness and as group publisher at Active Interest Media from 2013-2015, overseeing Yoga Journal and Vegetarian Times. Jeff earned a degree in business marketing from Kutztown University and a postgraduate “Authentic Leadership Certificate” from Naropa University in Boulder, CO.

annie brown

Annie Brown

Director 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.

hallie guiseppe

Hallie Guiseppe

Development Associate

Hallie administers the daily development operations and donor relations.

diana martin

Diana Martin

Director of Communications

Diana oversees all marketing and communications including the Rodale Institute website, social media, email marketing, advertising, public relations, and the print publication New Farm. She is a graduate of the S.I. Newhouse School of Public Communications at Syracuse University.

maria pop

Maria Pop

Education & Outreach Manager

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.

jade cortez

Jade Cortez

Communications Specialist

Jade coordinates and manages Rodale Institute’s website, social media, and email marketing. Jade graduated from Kutztown University with a degree in marketing, holds certificates in advertising and online marketing, and has several years of experience working with digital communications and nonprofits.

zoe schaeffer

Zoe Schaeffer

Content Creation & Media Relations Specialist

Zoe is responsible for creating new media for the Institute’s website and print publications as well as managing relationships with press partners. Zoe holds a B.A. from Columbia University and previously worked as an editor with national titles SAVEUR and Rodale’s Organic Life.

ali lynn

Ali Lynn

Events Specialist, Organic Farmers Association Membership & Outreach Coordinator

Ali oversees events, coordinating all planning and logistics. Ali also manages membership and outreach for Organic Farmers Association. She graduated from Penn State University with a B.A. in Corporate Communications and a minor in Business.

lyndsey antanitis

Lyndsey Antanitis

Veteran Farmer Program Coordinator

Lyndsey oversees interns, curriculum and all resources for the Delaware Valley University Organic Farming Certificate Program and the Veteran Farmer Training Program. She is a graduate of both. Lyndsey served as a Staff Sergeant in the United States Air Force where she worked as a cardiopulmonary laboratory technician for five years and served three deployments, during which she was selected for a Critical Care Air Transport Team. Lyndsey holds a B.S. in Health Sciences.

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.

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Shawn Brown

Wedding Specialist

Shawn oversees all weddings at Rodale Institute.

Finance and Human Resources

elaine macbeth

Elaine Macbeth

Director of Finance and Human Resources

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.

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.

stacy glackin

Stacy Glackin

Grants Manager

Stacy assists with grant proposals, manages federal and non-federal grant expenses and budgets, and monitors completion of grant deliverables and reporting requirements. Stacy holds a B.A. in Accounting from Millersville University and has been working in the nonprofit industry for over 15 years.


kim schroeder

Kim Schroeder

Director of Facilities

Kim manages the repairs, improvements and groundskeeping at the Institute. She also administratively supports the executive director, farm manager and finance & human resources departments.

jay belanger

Jay Belanger

I.T. Administrator

Jay oversees information technology on the farm. He taught Computer Science at Albright College and Allegany Community College and began work as a software engineer at Kelly Springfield Tire Company in 1970. He earned a B.S. in Computer Science from Drexel University and a M.S. in Computer Science at West Virginia U.

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.

matthew ruppert

Matthew Ruppert

Facilities Manager

Matthew graduated from the Berks Career & Technology Center cabinet making course in 2008. Previously, he worked building custom export crates for machinery to be shipped overseas.

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.

corio bruestle

Corio Bruestle


Corio provides custodial and janitorial support to the Facilities Support staff as well as all departments throughout the Institute.