Mr. Dionne achieved the rank of Major in the U.S. Army. He is a past farmer and USPS Letter Carrier. He owns and operates a campground in Grand Isle. He serves on the Grand Isle Planning Board, chairs the town budget committee, acts as Safety Officer for the fire department, and serves as Treasurer for the Grand Isle Historical Society and Aroostook County Association of Letter Carriers. He has served on the Agency Board since 2016.