Partner
Rick Defieux
Chair of SJF’s Investment Committee and co-founder, SJF Ventures
Also known as Richard Defieux
- Firm
- SJF Ventures
- Title
- Chair of SJF’s Investment Committee and co-founder
- Role
- Cofounder
- Location
- New York, NY
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Record updated 18 September 2026
About
Rick Defieux, the Chair of SJF’s Investment Committee and co-founder of SJF, has been a venture capitalist for over 30 years. From 2009 to 2015, Rick was also an advisor to Battelle and Battelle company 360ip, where he managed the investment activities of two venture funds in Asia. Previously, Defieux was a General Partner of five US-based venture capital funds, including Edison I, II and III, where he devised and led the firm’s environmental and energy investing program and shared responsibility for communications investments.
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