Staff

Staff

CEO
Debbie Zimmerman
Extension: 225
Email: d.zimmerman@grapegrowersofontario.com

Executive Assistant/Marketing & Communications
Sarah Burgstaler
Extension: 224
Email: sarahb@grapegrowersofontario.com 

Sr. Policy Advisor
Nick Lemieux
Extension: 228
Email: nlemieux@grapegrowersofontario.com

Grower Relations & Systems Administrator
Keara White
Extension: 221
Email: kwhite@grapegrowersofontario.com

General Manager
Maria Zegarac
Extension: 242
Email: mzegarac@grapegrowersofontario.com

Office Manager / Accounts Payable
Christina Stewart
Extension: 231
Email: christina@grapeandtenderfruitontario.com

Treasurer
Kathi Ryan
Extension: 227
Email: kathi@grapeandtenderfruitontario.com

CGCN Executive Director & OGWRI Project Manager
Darien Temprile
Extension: 229
Emails: darien@cgcn-rccv.ca and dtemprile@ontariograpeandwineresearch.com

CGCN Administrator
Ethan Churchill
Extension: 222
Email: ethan@cgcn-rccv.ca 

Members' Toolbox

Resources for grape growers

Newsroom

Grape Growers of Ontario elects 2025/26 Board of Directors

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Jeff Duc Named 2024-25 Grape King

View article

Fruit and Vegetable News Release

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