John O'Farrell

Owner / Partner

John O'Farrell is a general partner at Andreessen Horowitz. John led the firm's investments in Facebook, Twitter and Groupon, and works with portfolio companies on partnering, strategic transactions and global expansion. Prior to Andreessen Horowitz, John held Executive Vice President positions at Silver Spring Networks, Opsware and Excite@Home. Earlier in his career, John worked in the United States and Europe with US WEST, Booz Allen, Telecom Ireland, the EU Commission, Digital Equipment and Siemens. John has an MBA from the Stanford Graduate School of Business and a Bachelor of Electronic Engineering from University College Dublin. He speaks English, German, French and Portuguese.




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