Tim Guleri is a Managing Director at Sierra Ventures, a private venture investment firm with 1.1 billion in committed capital. Prior to that, Tim was Vice Chairman and Executive Vice President at E.piphany (Nasdaq: EPNY), a leading provider of Customer Relationship Management (CRM) enterprise software. At E.piphany, Tim led the strategic direction of the company through defining and building business partnerships and developing corporate investments. approva.net