What does one do with a PhD in visual processing? Naturally, one would join the entrepreneur first accelerator, launch a machine learning-based visual processing business, sell it to twitter, then work one's way up the Twitter hierarchy before retiring around 30. Then one would turn one's hand to angel investing. Don't believe me? Listen in to today's guest Zehan Wang as he recounts his tales and all of the lessons he learned along the way which he now applies to his angel investing. New to angel investing? Check out our guide and learn how to invest in startups.