Dennis started his career in the oil industry in 1972 with Husky Oil, working in Marketing and supply and worked into domestic trading positions with international trading companies, Nesteoy, Canadian Occidental, Dynegy, Seminole Canada, Vitol and Trafigura. He joined United Energy Trading LLC in 2010 to help develop the business of marketing Bakken crude by rail. His long-term relationships with significant refiners and trading companies enabled UET to rapidly expand the Bakken rail business. He is part of the Crude oil team, working on Canada crude opportunities. He has a Bachelor of Science degree in Marketing and Economics from Utah State University.