
Greg Dietrich
Holstein Canada names Gilles Côté new CEO
BRANTFORD — Holstein Canada Board of Directors, President Gilles Côté has announced the appointment of Greg Dietrich to the role of Chief Executive Officer, effective December 9, 2025.
With a lifetime of involvement in the dairy genetics and agricultural sector, Dietrich brings a deep understanding of producers and industry partners, strengthened by significant operational expertise and entrepreneurial leadership.
After obtaining his Agricultural degree,Dietrich began his career with Holstein Canada in business development, before moving to Semex where he held progressive roles in international sales and as Director, Internal Product Development. Beyond his corporate experience,Dietrich has led and worked with teams to build and operate innovative agricultural businesses, including Progenesis, a genetic nucleus company, and his family’s dairy and custom calf-raising operation, Character Dairy Genetics, located in Mildmay, Ontario.
Dietrich currently serves as a Board Director with the Ontario Federation of Agriculture, representing more than 38,000 members province-wide. He has also dedicated 10 years to the Genetic Evaluation Board of Lactanet, including time as Chair, further strengthening his insight and leadership within the industry.










































