Our Team

Lyle Ehrmantraut
Lyle EhrmantrautCEO & President
Lyle grew up in a farming community in southern Saskatchewan and has worked in the agriculture industry for more than 15 years. In 2013, Lyle recognized the need to improve the way Information Technology was handled in the Agriculture industry and Ag Exchange Group was formed.
David Callele
David CalleleCTO
David grew up on a farm near Watson, Saskatchewan and has worked in the IT industry for over 25 years, specializing in technology commercialization and start-ups. He has a passion for giving back to the community. He is an inventor, a writer and an adjunct professor at the University of Saskatchewan.
Tristan Periard
Tristan PeriardProduct Manager
Tristan grew up near Strathmore AB on a mixed farm. Pursuing a career playing hockey, she received a scholarship to the University of Maine where she gained a BA in Communications and was captain of the women’s hockey team. Tristan brings a passion for agriculture and knowledge of the local industry.
Mike Davey
Mike DaveyRegional Account Manager
Mike was born and raised in Montreal before heading west to attend agricultural college to study livestock production. Mike worked for Ag Canada Health of Animals branch and held various positions in administration before becoming a licensed commodity futures broker. Following his love of agriculture, Mike is still building on a career of more than 30 years in which he has held various roles, including grain merchant, grain market analyst and grain marketing advisor.
Teresa Herd
Teresa HerdMarketing & Operations Coordinator
Teresa has spent her working career in various administrative roles, including offices involved with distance learning, plant breeders’ rights, patent administration, agricultural consulting, and computer systems. From Saskatoon, she is one generation removed from the farm but still linked through her husband’s family in the Milden SK area.

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