Joe Sullivan is a venture partner at Costanoa Ventures and leads Joe Sullivan Security and the humanitarian nonprofit Ukraine Friends. He previously served as chief security officer at Facebook, Uber and Cloudflare, led trust, safety and legal work at eBay and PayPal, and prosecuted cybercrime for the US Department of Justice.
Joe Sullivan is a venture partner at Costanoa Ventures and leads Joe Sullivan Security and the humanitarian nonprofit Ukraine Friends. He previously served as chief security officer at Facebook, Uber and Cloudflare, led trust, safety and legal work at eBay and PayPal, and prosecuted cybercrime for the US Department of Justice.
Career
UFCEO at Ukraine Friends from 2023-01 to Present
JSCEO at Joe Sullivan Security LLC from 2023 to Present
Venture Partner at Costanoa Ventures until Present
Chief Security Officer at Cloudflare from 2018-05 to 2022
Chief Security Officer at Uber from 2015 to 2017
Chief Security Officer at Meta until 2015UDAttorney at US Department of Justice from 1993 to 2002
Cosigns Received
John CowgillPartner at Costanoa Ventures
every conversation I have with him leaves me with a new way of thinking about a problem
Joni Klippert
He's a deeply product-minded leader who asks the questions that shape strategy and understands the challenges security teams are facing