Peter Thiel, PayPal founder and former chief executive officer who is sometimes referred to as the "don" of the PayPal Mafia Max Levchin, founder and chief technology officer at PayPal Elon Musk, founder of X.com which acquired the company Confinity. Musk later became an early investor of Tesla Inc, he then founded SpaceX, Neuralink, OpenAI, The Boring Company, and was the Chairman of SolarCity before its acquisition by Tesla David O. Sacks, former PayPal COO who later founded Geni.com and Yammer Scott Banister, early advisor and board member at PayPal.[6] Roelof Botha, former PayPal CFO who later became a partner and Senior Steward of venture capital firm Sequoia Capital Steve Chen, former PayPal engineer who co-founded YouTube.