Mr. Keller is a UC Davis trained winemaker with over 13 years experience in the California wine industry. He has served as a winemaker in the Stag’s Leap District of Napa and Sonoma’s Russian River Valley, among others. In addition to leading the VinPerfect team, Keller serves as a winemaking consultant for Alta Ridge Vineyards. He invented the VinPerfect screw cap during his MBA studies at UC Davis in 2007, and led his team to victory in the 2008 Big Bang! business plan competition. Keller graduated with his MBA that same year.