Roelof F. Botha (born 19 September 1973) is a South African actuary, venture capitalist and company director. Botha is a partner at Sequoia Capital and as of 2022 sits on the boards of MongoDB, Evernote, Bird, Ethos, Natera, Square, Unity, and Xoom. He also worked with AssureRX, FutureAdvisor, Instagram, Mixpanel and Mu Sigma. He previously sat on the board of directors of Meebo and YouTube before they were each acquired by Google, Weebly before they were acquired by Square, and Tumblr before they were acquired by Yahoo!. He previously sat on the boards of Eventbrite, Jawbone, Mahalo, Nimbula, Tokbox, and Whisper.