David O. Sacks was PayPal’s first COO. After leaving PayPal, he founded Geni.com, a genealogy site, and Yammer, an app for inter-office communications.
Roelof Botha was PayPal’s CFO and influential in negotiating its sale to eBay. He later became a partner at venture capital firm Sequoia Capital and now helps direct 13 companies, including Tumblr, Evernote, Xoom, and Jawbone.