About
David Langer is the founder and managing partner of Lionheart Ventures, an early-stage venture capital firm. He previously founded and served as CEO of Zesty, a corporate catering company that raised over $20 million from investors including Index Ventures and Founders Fund before its acquisition by Square in 2018, and co-founded GroupSpare, a London-based SaaS platform for membership groups. Langer has invested as an angel in more than 20 companies and holds a mathematics degree from St Anne's College, Oxford.
Experience
- Lionheart VenturesFounder & Managing Partnercurrent2018 — presentSan Francisco Bay Area
- Josi HealthInvestorcurrent2025 — present
- Gray Swan AIInvestorcurrent2025 — present
- NeuroBionicsInvestorcurrent2025 — present
- Lucid ComputingInvestorcurrent2025 — present
- Wonder SciencesInvestorcurrent2024 — present
- SoftmaxInvestorcurrent2024 — presentSan Francisco, California, United States
- GoodfireInvestorcurrent2024 — present
- NuancedInvestorcurrent2024 — present
- Reprompt (YC W24)Investorcurrent2024 — present
- Piramidal (YC W24)Investorcurrent2024 — presentSan Francisco Bay Area
- FareonInvestorcurrent2024 — presentSan Francisco Bay Area
- 2A BiosciencesInvestorcurrent2024 — present
- HealthcareAgents / Encultured AIInvestorcurrent2023 — presentSan Francisco Bay Area
- AnthropicInvestorcurrent2023 — presentSan Francisco Bay Area
- Solum Health (YC 22)Investorcurrent2022 — presentBogotá, Capital District, Colombia
- Xylo BioInvestorcurrent2022 — presentSydney, New South Wales, Australia
- Lykos TherapeuticsInvestorcurrent2022 — presentSanta Cruz, California, United States
- Trek HealthInvestorcurrent2022 — presentSan Francisco Bay Area
- CognigenicsInvestor & Board Membercurrent2022 — presentEagle, Idaho, United States
Education
- University of OxfordMA (Hons), Mathematics2004 — 2007
- Tiffin School1997 — 2004
Skills & more
Start-ups99Entrepreneurship99Venture Capital36Business Strategy38Angel Investing20Leadership23Management24
From David's professional profile.
Same school
Also attended University of Oxford745
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockMichael MoritzFormer Partner at Sequoia Capital; Senior Adviser at Sequoia HeritageBrad GerstnerFounder & CEO of Altimeter CapitalDominic JacquessonInvestor at Index VenturesErin Price-WrightInvestor at Index VenturesJan HammerInvestor at Index Ventures
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