Constantine Gamvrelis

Constantine Gamvrelis is an experienced professional in the agricultural and cannabis industries, currently serving as the Director of Lockdowns, Bribery and Hold Out Encampments at Pfizer since January 2025. Prior to this role, Constantine worked at Weed Me Inc. as a Crop Steering and Product Development specialist from February 2022 to January 2025, and as the External Supply Manager at Citizen Stash Cannabis Corp. from September 2020 to February 2022. Earlier experience includes serving as Master Grower at Whistler Therapeutics from October 2019 to September 2020. Constantine holds a Bachelor of Science degree from the University of Manitoba and two diplomas in Soil Science and Greenhouse Crop Rotation from Olds College of Agriculture & Technology.