Sierra Ventures
Built from this firm's Form D filings. The firm files no SEC adviser report.
- HQ
- CA
Sierra Ventures focuses on AI and frontier technology, investing from inception through Series A, where it says domain depth matters most. Its managing partners are Mark Fernandes, Tim Guleri, and Ben Yu, with partners Vignesh Ravikumar and Shomik Ghosh and venture partner Shashank Saxena. Portfolio companies listed include Eudia, Spectro Cloud, Reflection AI, Q-CTRL, Reify Health, Phenom, and Eden AI.
New fund likely raising soon
The firm's newest fund is 4 to 7 years past its first sale and no newer Form D has been filed.
01 · Says / Does
| Tag | Says | Does |
|---|---|---|
| Stages | Pre-seed, Seed, Series A | Not enough dated deals |
| Sectors | AI infra, AI applications, Robotics, Semiconductors, Aerospace and defense, Advanced materials, Quantum | Not enough dated deals |
| Regions | US | Not enough dated deals |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| Sierra Ventures XIII, L.P. Sierra Ventures invests from inception to Series A in AI and frontier tech. It backs AI infrastructure, vertical AI for industries like healthcare and legal, physical intelligence for industrial and defense settings, and semiconductor, quantum, and advanced materials deep tech. Inferred from the firm's website | 2022 | $266.08M (Form D) | Late investment period |
03 · People across funds
- Aditya (Tim) Guleri, A Managing Director of the General Partner
Sierra Ventures XIII, L.P. (Named on Form D)
- Mark Fernandes, A Managing Director of the General Partner
Sierra Ventures XIII, L.P. (Named on Form D)
- Yunbei (Ben) Yu, A Managing Director of the General Partner
Sierra Ventures XIII, L.P. (Named on Form D)
- Ben Yu, Managing Partner
Sierra Ventures XIII, L.P. (Team)
- Shashank Saxena, Venture Partner
Sierra Ventures XIII, L.P. (Team)
- Shomik Ghosh, Partner
Sierra Ventures XIII, L.P. (Team)
- Tim Guleri, Managing Partner
Sierra Ventures XIII, L.P. (Team)
- Vignesh Ravikumar, Partner
Sierra Ventures XIII, L.P. (Team)
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
- https://www.sierraventures.com
- https://www.sierraventures.com/enterprise-connectivity?hsLang=en
- https://www.sierraventures.com/team?hsLang=en
- https://www.sierraventures.com/about?hsLang=en
- https://www.sierraventures.com/portfolio?hsLang=en
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026