James Ephrati
InvestorPartner at Lightspeed Venture Partners
San Francisco, California
Writes $3M – $20M checks · typically $15M
Find your path to James
475 people in our graph share verified history with James — schools, employers, funds. One of them is your warm intro.
Quentin ClarkunlockedJames: together at ThoughtSpot (2023–2026)
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×4James: together at Battery Ventures
James: together at ThoughtSpot
×2James: together at Glean
About
James Ephrati is a Growth Partner at Lightspeed Venture Partners, where he focuses on software and consumer businesses with category-defining potential.
Contact· self-published, not guessed
Experience
- Lightspeed Venture PartnersGrowth Partnercurrent2019 — presentManhattan, New York, United States
- MistralBoard Membercurrent2026 — present
- CyeraInvestorcurrent2025 — present
- Grafana LabsBoard Observercurrent2024 — present
- GleanBoard Observercurrent2022 — present
- ThoughtSpotBoard Membercurrent2023 — present
- YugabyteBoard Observercurrent2023 — present
- ExabeamBoard Membercurrent2023 — present
- Aqua SecurityBoard Membercurrent2023 — present
- Battery VenturesGrowth & Private Equity2017 — 2019San Francisco Bay Area
- Moelis & CompanyInvestment Banking2014 — 2017San Francisco Bay Area
- CitiRisk2013New York City Metropolitan Area
- Bedrock GroupAsset Management2012London Area, United Kingdom
Skills & more
Languages French
From James's professional profile.
Deals · 1
Excalibur CombineCoBoard seat
via Lightspeed Venture Partners · filed Feb 2025
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Lightspeed Venture Partners
Alexander Schmitt
Partner at Lightspeed Venture Partners
Amber Yang
Investor at Bloomberg Beta
Anand Iyer
Investor and founder in San Francisco
Anoushka Vaswani
Partner at Lightspeed Venture Partners
Antoine Moyroud
Partner at Lightspeed Venture Partners
Arif Janmohamed
Partner at Lightspeed Venture Partners
Banafsheh Fathieh
General Partner at Faction
Barry Eggers
Co-Founder, Lightspeed at Giant Ventures Global Llp
Network1
Investors connected to James in public investor directories — a warm-intro map.
Frequently asked questions
- Who is James Ephrati?
- James Ephrati is a Growth Partner at Lightspeed Venture Partners, where he focuses on software and consumer businesses with category-defining potential.
- Where does James Ephrati work?
- James Ephrati is Partner at Lightspeed Venture Partners.
- What check size does James Ephrati write?
- James Ephrati typically writes checks of $3M – $20M.
- What boards does James Ephrati sit on?
- James Ephrati holds tracked board seats at Excalibur CombineCo.
- Where did James Ephrati go to school?
- James Ephrati studied at University of California, Berkeley (B.A. Economics, Industrial Engineering Minor).
Same school
Also attended University of California, Berkeley2,000
Byron DeeterPartner at Bessemer Venture PartnersSteve WozniakCo-founder of AppleTony XuCo-founder & CEO of DoorDashAravind SrinivasCo-founder & CEO of Perplexity AIAli GhodsiCo-founder & CEO of DatabricksRyan PetersenFounder & CEO of Flexport
+ 1,994 more
Shared employers
Also worked at Grafana Labs16
Mark XuInvestor at Index VenturesDerek ZanuttoInvestor at CapitalGRob RueckertPartner at Sorenson VenturesEthelInvestor at SENTINEL GLOBALGaurav GuptaPartner at Lightspeed Venture PartnersBrad TwohigCo-Founder, Managing Partner at Smash Capital
+ 10 more
Also worked at Yugabyte10
Jai DasPartner, President at Sapphire VenturesAnders RanumPartner at Sapphire VenturesVivek GopalanInvestment Team at 8VCDeepak JeevankumarManaging Director at Dell Technologies CapitalRob WardCo-Founder and Partner at Meritech Capital PartnersAli WastiManaging Partner at Wipro Ventures
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+ 4 more
Also worked at Aqua Security10
Mark KraynakInvestor at Aspect VenturesRona SegevCo-Founder and Managing Partner at TLV PartnersBrian SackPartner at TLV PartnersYatong LiManaging Director at Teachers' Venture GrowthLonne JaffeManaging Director at Insight PartnersShlomo KramerInvestor at Skinos Family Office
+ 4 more
