Doug Gaff is Principal of GaffTek LLC. He offers startup advisory services and angel investing to select pre-seed, seed, and Series A startup companies. Doug has over 20 years of management experience, including 6 startup companies and 7 years of executive leadership at Zapier, InVision, and SimpliSafe. Doug has built multiple engineering organizations at hyper-growth startups with valuations that grew well beyond $1B. Doug holds BS and MS degrees in Electrical Engineering from Virginia Tech.