Jason Calacanis is a technology entrepreneur, angel investor, author, and the host of the popular weekly podcast This Week in Startups. He's the founder of a series of conferences that bring entrepreneurs together with potential investors. As a “scout” for top-tier Silicon Valley venture capital firm Sequoia Capital and later as an angel investor, Jason has invested in 150 early-stage startups including 4 that have achieved billion-dollar valuations (so far).