Jeff Valentine is an entrepreneur and optimist. He has started, invested in, bought, or sold 8 companies in the past 15 years for a combined enterprise value of half a billion dollars. He co-founded private equity firm Exium Partners, a mid-market buyout fund based on Rochester, NY. He has also served as Chief Marketing Officer of Fonality, a provider of cloud-based business phone systems. In that time, Fonality grew by 35,000 subscribers, cut churn in half, and increased earnings by $5M per year. Prior to Fonality, Jeff was CEO of Callfinity, a company he co-founded and later sold, and SVP of Product at M5 Networks and ShoreTel. Jeff is a member of the board of directors of several private companies and non-profit organizations, including The Strong National Museum of Play and the Rochester Angel Network. He is a cum laude graduate of Cornell University in Materials Science and Engineering with a concentration in Polymer Chemistry, and lives in Fairport, New York with his wife and two daughters, where he spends his weekends building a ridiculous tree house.