Our Staff

Jeff MoyerJeff 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. In 2011, he wrote Organic No-Till Farming, a publication that has become a resource for farmers throughout the world.

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 Director 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.

In September 2015, Jeff was appointed as Executive Director of Rodale Institute after spending the last four decades at the Institute, helping countless farmers make the transition from conventional, chemical-based farming to organic methods.


Andrew Smith1 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.
Dr. Gladis Zinati, Associate Research Scientist & Director of Vegetable Systems Trial
Dr. Gladis Zinati conducts basic and applied research in compost formulations, carbon sequestration, soil fertility and pest management to improve organic crop production and quality. She has undergraduate degrees in General Agriculture and Agriculture Engineering, MSc. degree in Horticulture from the American University of Beirut, and Ph.D. in Soil Fertility from Michigan State University. She formerly worked as an Extension Specialist in Nursery Crops for Rutgers University in NJ.
Emmanuel Omondi Dr. Emmanuel Omondi, Associate Research Scientist & Director for Farming Systems Trial
Dr. Omondi grew up on a farm in Kenya and has been involved in sustainable agriculture work since 1992. He has 15 years’ experience as Executive Director for a sustainable agriculture Associate Degree equivalent training institution in Kenya, as well as four years as Research Associate and Project Manager for a USAID funded, University of Wyoming-led, conservation agriculture research project in East Africa. He holds a BS degree in General Agriculture from the University of Nairobi, Kenya, and MS and Ph.D. degrees in Agronomy from the University of Wyoming.
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, Compost Production Specialist
Rick Carr earned a Master of Science degree in Plant Pathology from Cornell University in 2012. Rick conducted research on understanding the mechanisms associated with vermicompost-mediated disease suppression and his work has contributed to the understanding of biologically-based disease suppression as well as a better understanding of Pythium aphanidermatum development and pathogenicity. When Rick was not in the lab, he was often doing outreach and education with Master Composters and Gardeners of New York State. Shortly after graduating from Cornell, Rick left the United States for a research opportunity on a large certified organic farm in Argentina. While in Argentina, Rick developed a new perspective on how laboratory studies translate to on-farm research and application. Rick has joined the research staff at Rodale Institute as their Compost Production Specialist and is currently working on a novel seed treatment for suppressing soil-borne plant pathogens, new technologies for urban agriculture, and a large-scale composting project.
Tara Caton, Senior Lab Technician
Tara manages day-to-day research activities for projects such as such as shade avoidance, FST, VST, and Industrial Hemp. She also assists in training and managing incoming support staff (technicians, interns, and volunteers). Tara received her Bachelor of Science in Organismal Biology and Ecology at Kutztown University where she studied seed dispersal mode selection on seed size variation. After her Bachelor’s, Tara received a Master of Science in Biology with a concentration in Botany from Bucknell University, where she studied hybridization of Australian spiny Solanum as a means to clarify vague species boundaries. Her love of plants extends outside of Rodale Institute as a Planting Science mentor with the Botanical Society of America where she assists grades 4-8 with botany related science projects through a web platform.
Emily Lesher, Research Technician
Emily works with the scientists, other technicians, and interns to complete tasks for our projects such as VST, FST, OREI, and Shade Avoidance. She works out in the field collecting biomass and soil samples, and also in the lab processing samples collected in the field. Emily received her bachelors of science from Kutztown University, where she studied organismal biology and ecology. Her research interests include agroecology, weed management techniques, and wildlife ecology.

Farm Operations 

Ross Duffield Ross Duffield, Farm Manager
Ross came to the Rodale Institute in 2013 with more than twenty years of farming experience. He grew up on a dairy farm in North East Pennsylvania where, at an early age, he learned the value and importance of animal care and pasture management. After attending Kutztown University and working as a school teacher for several years, Ross realized his true passion lay in organic agriculture. This path led back to farming and, eventually, to the Rodale Institute where he serves as Farm Manager.At Rodale Institute, Ross is responsible for field maintenance including planting and seeding, maintaining the farm equipment necessary to work the fields, and expanding the livestock operations, particularly the vertical integration of the poultry and hog operations into crop rotations. In this unique position, he utilizes his teaching background and skills in sharing his farming expertise with aspiring and transitioning farmers.Within the last year, Ross has overseen the construction and operation of the Rodale institute hog facility. This facility offers hogs the opportunity to forage on organic pasture crops when they choose, as well as provide a shelter that is efficient and clean. Free access to pasture and a deep straw bedding pack provide a healthy place for a variety of hogs whether they are farrowing or finishing. Animal comfort is a direct result of the operation and a reduction of labor allows for the farmer to spend less time cleaning and more time profiting from raising these wonderful animals.
Maggie Saska, Plant Production Specialist
Maggie oversees all horticulture including greenhouse operations and gardens. Maggie has over 20 years of experience spanning commercial production, university research, and education. Her interests and love of plants has led her to work on farms and greenhouses, teach at the New York Botanical Garden and even run a university based plant tissue culture lab.Maggie has a bachelor’s degree in Horticulture and a master’s degree in Plant Science both from University of Connecticut. She has published several articles and received an award from the USDA/Natural Resource and Conservation Service for “Women Inspiring Conservation in Connecticut”. In 2014, Maggie accepted the position of Plant Production Specialist on the farm.
Daniel Kemper, Field Foreman
Dan manages all vegetable production fields including planning, plowing, planting and maintenance as well as assists researchers with project ideas and vegetable research plots. After numerous plant science classes and an internship at Quiet Creek Farm, Dan received a Bachelors in Biology at Kutztown University. Dan then worked for Quiet Creek Farm for two years, later becoming a Strategic Support Team Member at the Institute, and now Field Foreman.
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 working in the orchards since his interest in growing organic apples originated, being open to experimenting with different pesticide-free techniques.
Shelby Dukes, Animal Husbandry Coordinator
Shelby cares for the farm's animals; feeding, watering, medical, maintain pastures and manage rotational grazing of livestock. Shelby was raised on a crop and poultry farm in southern Delaware. She attended the University of Delaware and attained a Bachelor’s of Science in Animal and Food Sciences. While at UD, Shelby worked on the University Dairy Farm as well as the University’s Beef and Sheep Farm. She has also worked as an Assistant Farm Manager at a dairy sheep farm producing cheese.
Lynda Prim, Agriculture Supported Communities Program Manager
Responsible for managing Rodale Institute's Agriculture Supported Communities farm share program.
Mark Fabian, Grounds Keeper/Mechanic
Mark has worked in various construction fields for the past 26 years. He then began working at the Institute as a Facilities Team Member, recently making a lateral move to his current position.
Michael Schmaeling, Working Tree Center Farm Manager | Rodale Institute Resident Beekeeper
Michael manages and maintains our honeybee conservancy, builds beehives, and plants pollinator habitats. To improve the quality of the apiaries, Michael selects the healthiest hives for queen rearing to make new honeybee colonies. Michael's focus is treatment free beekeeping and the overall health of the honeybee. Additionally Michael is the Manager of the 40-acre certified organic farm and arboretum in Allentown. He is responsible for maintaining the organic gardens and fields, historic buildings, and all aspects of day-to-day operations.
Molly Schmaeling, Working Tree Center CSA Operator & Landscape Designer
Molly attained two bachelor degrees from Kutztown University: Bachelor of Science (Biology) and Bachelor of Fine Art (Sculpture). She was the Marketing and Sales Specialist at the Rodale Institute from 2013-2015, and went on to become the Farm and Hospitality Manager at Rodale Inc. from 2015-2017. In 2018 Molly rejoined the team at the Rodale Institute to maintain the ornamental gardens and operate a small organic CSA at the 40-acre certified organic farm and arboretum in Allentown. She is absolutely passionate about living an organic lifestyle at home and at work.
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, but decided to follow a more rural path.
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Stephanie Zimmermann-Schmitt, Rodale Institute St. Luke’s Organic Farm Assistant Manager
Stephanie began working at the St. Luke's Rodale Institute Organic Farm as a farm worker since its first season, later becoming the farm's Assistant Manager. Prior to working at this location, Stephanie began farming and caring for livestock at Rodale Institute in 2014. When she's not working, Stephanie enjoys raising hogs at home.
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.

Development & Communications

Jeff Tkach, Chief  Growth Officer
Jeff is responsible for expanding Rodale Institute’s corporate and individual donor base, and for building a comprehensive long-term endowment strategy. He also oversees execution of all marketing, public relations and development efforts across the enterprise in order to expand Rodale Institute’s global reach and brand awareness. Prior to working at the Institute, Jeff was the Managing Director, Vice President for Rodale’s Organic Life and Prevention. This position marks a return to Rodale Inc, where from 2009-2013 he served as Organic Gardening’s associate publisher and publisher, after holding several other positions at the company. Previously, Jeff served as vice president of sales and marketing at Life Time Fitness. He also served 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 post graduate “Authentic Leadership Certificate” from Naropa University in Boulder, CO.
Annie Brown Annie Brown, Director of Development
Annie has been with the Rodale Institute since the fall of 2012, acting first as our West Coast Representative and then assuming the position of Director of Development in January 2016. She is responsible for raising money from foundations, corporations and individuals to allow the Institute to continue our important work. Although her grandmother and mother were both Master Gardeners, Annie boasts a pitch black thumb when it comes to gardening. Her ideal day would be spent hiking far, far away from any garden that needed tending, and instead going to her local farmers' market and buying organic veggies to create a delicious meal.
Hallie Guiseppe, Development Associate
Hallie administers the daily development operations and donor relations. She loves spending her lunch walking the farm, visiting the animals and enjoying the serenity that comes from healthy land, growing healthy food.
Hallie Guiseppe
Diana Martin, Director of Communications
Diana manages the marketing and communications of Rodale Institute, overseeing aspects such as our website, social media, email marketing, advertising, public relations, and publications including New Farm. Diana’s team is diverse and works with events, weddings, workshops, tours, the store, and programs such as veterans and Organic Allentown. Diana is a graduate of the S.I. Newhouse School of Public Communications at Syracuse University and bleeds Orange.
Maria Pop, Education & Outreach Manager
Maria plans and implements educational programs for diverse, multicultural audiences as well as in the development and management of online educational tools for farmers. Her educational background includes a Horticultural Engineering degree, a M.Ed. in Adult Education and a postgraduate Certification in Distance Education from Penn State University.
Maria Popa
Jadea Jade Cortez, Communications Specialist
Jade coordinates and manages Rodale Institute's website, social media (including Facebook, Instagram and Twitter), email marketing, and assists with the Institute's publications and events. 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. In her spare time, Jade enjoys sorting through the organic products at Rodale Institute’s Garden Store.
Zoe Schaeffer, Content Creation & Media Relations Specialist
With a background in print and digital publishing, social media, and photography, Zoe is responsible for creating new media for the Institute’s website, social channels, and print publications as well as managing relationships with press partners. Zoe graduated from Columbia University with a degree in art history, spent several years as an editor with national titles SAVEUR and Rodale’s Organic Life, and most recently finished a year-long, cross-country solo road trip volunteering on organic farms. She is passionate about the power of regenerative agriculture to heal both people and planet.
Ali Lynn, Wedding & Events Specialist
Ali works in communications as the Wedding & Events Specialist. She leads planning and coordination of major events including logistics and all event details. She also coordinates the volunteers on the farm. She graduated from Penn State University with a degree in Corporate Communications and a minor in Business. Her favorite part of the work-day is saying “hello” to the farm animals.
Heather Gurk, Rodale Institute Garden Store Manager
Heather manages the Rodale Institute Garden Store, located in the farm’s historic one-room schoolhouse, and Rodale Institute’s Book Club, which aims to unite environmentally conscious people from the local community and beyond. She also assists with in-house copy-editing needs. Formerly the editor of a nutrition publication for registered dietitians, Heather enjoys learning about the benefits of living sustainably and organically and communicating healthful messages to the farm’s visitors.
Heather Gurk
Lyndsey Antanitis, Veteran Farmer Program Coordinator
Lyndsey oversees interns, curriculum and all resources involved in the Delaware Valley University Organic Farming Certificate Program and the Veteran Farmer Training Program. A recent graduate from both, she is able to channel her knowledge into her passion, which is educating and providing opportunities for others within organic agriculture. Lyndsey served as a Staff Sergeant in the Unites States Air Force where she worked as a Cardiopulmonary Laboratory Technician for five years. Through three deployments, being selected for a Critical Care Air Transport Team, acquiring a B.S. in Health Sciences and training doctors, nurses and medical technicians, her love for helping others has only grown.

Finance & Human Resources

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. Elaine has professional experience in auditing, federal and non-federal grants administration, budgeting, financial management, federal regulations and human resources.
Linda Carlson-Lockwood, Accountant/Human Resources Assistant
Linda has been with Rodale Institute since May, 1999 managing various accounting and human resources functions, including payroll processing, accounts payable and receivable, corporate insurance, and employee benefits. Linda graduated from Penn State University with a degree in Business Administration.
Stacy Glackin, Grants Manager
Stacy manages federal and non-federal grant expenses and budgets and monitors completion of grant deliverables and reporting requirements. She also prepares and submits grant proposals and budgets in collaboration with other departments. Stacy holds a Bachelor’s Degree in Accounting from Millersville University and has been working in the nonprofit industry for the past 15 years.


Kim Schroeder Kim Schroeder, Director of Facilities
Kim manages the repairs, improvements and grounds-keeping at the Institute. She also administratively supports our Executive Director, Farm Manager and Finance & Human Resources department, ensuring behind-the-scenes mechanics are running smoothly. Kim started as a temporary receptionist, multi-tasking her way into a permanent, full-time position. She instantly fell in love with the farm, and continues to feel she is doing her part in making the world a better and healthier place to live by forwarding the mission of the Institute.
Jay Belanger, I.T. Administrator
Since 2012, James (Jay) Belanger has been working as Rodale Institute's I.T. Administrator. Prior to that he was in leadership positions in I.T. and television at business and education institutions in Pennsylvania and Maryland. Jay taught Computer Science at Albright College and Allegany Community College after starting his I.T. career as a software engineer at Kelly Springfield Tire Company in 1970. His formal education includes a BS in Computer Science from Drexel U. and MS in Computer Science courses at West Virginia U.
Louise DeVall Louise DeVall, Programs Support Assistant | Travel Coordinator
Louise has been with the Institute since August 1999, starting as Assistant Store Manager and eventually spending eight years as Store Manager. In September 2011, she became the Programs Support Assistant and Travel Coordinator for the research and farm operations departments. Louise arranges all travel and speaking engagements for Institute staff, places orders for departments, handles the organic certification paperwork for the Institute, packs and ships orders for the store, and completes general office duties like answering phones, sorting mail, and scheduling meetings.
Matthew Ruppert, Facilities Manager
Matthew graduated from Berks Career & Technology Center, Cabinetmaking course in 2008. He then worked for an Export Packaging and Heavy Haul trucking outfit in 2008, building custom exporting creates for machinery to be shipped over seas. In 2016, Matt began at the Institute, implementing  his cabinetmaking and construction skills and love of farming.
Matthew Ruppert
Bruce Schroeder, Courier
Bruce has been with the Institute since 2014 and wears many hats here. He serves as our courier, helps with lawn mowing in the summertime and completes the janitorial tasks around the farm. Bruce is retired from Carpenter Technology after spending 35 years there and volunteered at the Institute before joining the team as a permanent staff member in 2015.
Corio Bruestle, Custodian
Corio provides custodial and janitorial support to the Facilities Support staff as well as all departments throughout the Institute.