OIA Team
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OIA Board of Directors

Mike Dougherty, P.Ag.


Mike Dougherty, P.Ag.

With a Master’s in Environmental Science, Mike has worked for over 10 years in biosolid and organics management in BC, Alberta and Ontario. He now works as an organics management consultant, an agronomist and raises grass-fed beef on the side. Mike has been the Guelph branch rep to the OIA board since 2018, and was elected president in 2019.

Robert Alton, P.Ag.

Vice President

Robert Alton, CCA-ON, P.Ag.

Rob has been a Professional Agrologist since 1992 after graduating from the University of Guelph in 1990 with a BSc in Agriculture. He has worked in the biosolids industry and nutrient management, and currently works as an independent consultant (Trillium Agronomics), advising farmers in various capacities across Southwestern Ontario. He has been an At-Large board member for the OIA since 2018.

Adolph Ng, P.Ag.

Central Branch Rep

Adolph Ng, P.Eng., P.Ag.

Adolph was born in Hong Kong and immigrated to Canada in 1993; he received an Engineering degree from University of Toronto and was involved in the auto industry for several years before studying organic agriculture. He has an organic grain farm in Northern Ontario and operates an organic food processing and distribution company, Acme Agriculture & Food Ltd from Vaughn, selling cold-pressed oil, organic oat flakes and specialty flours to health food stores. He represents the Central Branch.

Andy Van Niekerk, P.Ag.

Huronia Branch Rep


Andy Van Niekerk, CCA-ON, P.Ag.

Andy is a graduate of the University of Guelph and of the Advanced Agricultural Leadership program Class 10. He has served farmers in the finance industry and, more recently, as an Agri-Trend coach. He continues to consult as an agronomist, manages his own research farm in Stayner and is involved in several farm organizations. He represents the Huronia branch.

Bethany Davidson-Eng, P.Ag.

Director (at-large)

Bethany Davidson-Eng, PhD, P.Ag.

Bethany is the Manager of Swine Health Ontario. She obtained her PhD in Environmental Science from the University of Guelph, where she studied how Brazilian farmers’ local knowledge of their soils influenced land management and soil quality. She continues her research, as a postdoctoral fellow, into the influence of management practices on soil structural quality in a Canadian context. In addition to her role on the OIA Board, she is the President of the OIA Guelph Branch.

Dan Roberts, T.Ag.

Hamilton-Niagara Branch Rep

Dan Roberts, T.Ag.

Dan received his B. Tech from RCC Institute of Technology and graduated from the Agri-Business Management program at Fanshawe College. He started working as a consultant in 2015 after 8 years as an electronics technician. He specializes in soil fertility and precision ag.

Wes kennedy, P.Ag.

Ottawa-St. Lawrence Branch Rep

Wes Kennedy, P.Ag.
 Wes works for the federal government in policy and regulatory development. Wes has a BScH in Geology, and has been a PAg since 1999. Wes represents the Ottawa Valley - St. Lawrence Branch.

OIA Staff

Ryan Koeslag, A.Ag

Executive Director

Ryan Koeslag, A.Ag

Ryan grew up on a dairy farm near Harriston (Town of Minto), attended University of Guelph and Olds College in Alberta studying Agriculture Business. After working nearly a decade with various government grant distribution programs he started Koeslag Consulting Inc. (KCI) in 2015.  KCI specializes in managing non-profit organizations and also currently manages the Canadian Mushroom Growers' Association/Mushrooms Canada, the Ontario Bean Growers and the Ontario Agricultural Commodity Council.

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