Ramin Sayar

Venture Partner, DFJ Growth
Ramin Sayar, who took Sumo Logic public and guided its sale, combines cloud/security and VMware operating experience with a direct, immigrant-shaped leadership and advises founders on team, governance, and transitions.
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Ramin Sayar
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AI
Space
Fintech
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About Ramin Sayar

Before becoming an investor, Ramin Sayar was a CEO who took Sumo Logic public and later guided its sale, and his career has followed major shifts in cloud, security, and data infrastructure since his early days at Netscape through building VMware's cloud management business into its fastest-growing division. He brings a direct, honest leadership style shaped in part by his family's move from Iran to the U.S., encourages founders to reassess their team and leadership needs every six months, and is often brought in by companies like Tessian and Phreesia to help with growth, governance, and major transitions.

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Enterprise, AI, Space, Fintech, Consumer
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DFJ Growth was founded in 2005 on the idea that strong tech companies would stay private longer and need a new kind of investor between venture capital and public markets, and it has grown independently from DFJ's earlier-stage arm, typically investing $10M–$25M in companies already growing over 100% a year with real product-market fit. The firm pairs capital with hands-on operating help from people who have scaled companies themselves, and it looks for founders solving big problems in areas like hardware, robotics, government and commercial dual-use, life tech, and consumer—not just enterprise software—often backing categories like electric vehicles, space, and crypto before they were widely popular, with early examples including Tesla, SpaceX, Coinbase, Unity, and Twitter.

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