Mark Fernandes is a Managing Director at Sierra Ventures, a San Mateo-based venture capital firm. See sector focus and contact routes.
Mark Fernandes is a Managing Director at Sierra Ventures, a San Mateo-based venture capital firm, where he has focused primarily on software since joining in 2002. His investment thesis centers on early-stage enterprise technology, specifically artificial intelligence, cloud infrastructure, data platforms, and cybersecurity. While specific check sizes and lead/follow behavior are not publicly detailed, he targets first- and second-institutional money rounds in software and some hardware companies. Notable portfolio companies include Sourcefire, which was acquired by Cisco for $2.7 billion, as well as Opalis Software and Frontbridge (both acquired by Microsoft), and RedLock (acquired by Palo Alto Networks). Fernandes also serves on the boards of Reify Health, Yalo, Spectro Cloud, and Paro. His distinctive point of view leverages his prior experience as a product leader at Seagate and Cisco and a Wall Street research analyst to bridge technical operations with venture strategy.
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