Investor profile
David Hartwig
Venture capital & Co-Founder & Operating Partner at Sapphire Ventures, Partner at 359 Capital
David Hartwig works as a Partner at 359 Capital. The firm's known portfolio counts 12 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Co-Founder & Operating Partner at Sapphire Ventures, whose known portfolio counts 10 companies
- Rain
- Upvest
- Cyera
- Jeeva AI
- Temporal Technologies
- GitGuardian
- WorkOS
- Bretton AI
- Defense Unicorns
- Onebrief
Partner at 359 Capital, whose known portfolio counts 12 companies
- Overtime
- Highlight
- beehiiv
- Bounce
- The Snow League
- Lucky Energy
- Mine
- SportsVisio
- 23 Broadway
- Aglet
- Flowhaven
- Jabali
Investor Profile
The listing covers sectors AI, Commerce, Consumer and FinTech, and focus areas AI Applications, Analytics, Cloud Infrastructure and Commerce Enablement. Startups operating in these areas may find David Hartwig relevant.
359 Capital appears in Growth, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether David Hartwig is worth approaching.
Colleagues
Showing 20 of 31
Paul Levine
Partner
Palo Alto, United States
Rico Mallozzi
Partner
New York, United States
Anders Ranum
Partner
San Carlos, United States
Rami Branitzky
Partner
San Francisco, United States
Cathy Gao
Partner
San Francisco, United States
Nino Marakovic
CEO & Partner
Austin, United States
Mahau Ma
Operating Partner
San Diego, United States
Steve Abbott
Partner
Austin, United States
Alex Lehman
Investor
Stanford, United States
Demi O.
Principal
San Francisco, United States
Andreas Weiskam
Co-Founder
London, United Kingdom
Casber Wang
Partner
San Francisco, United States
Jason Brooke
Principal
San Francisco, United States
Jai Das
Investor
Menlo Park, United States
Misty L.
Investor
San Francisco, United States
Rajeev Dham
Managing Director
San Francisco, United States
Michael Spirito
Managing Partner/Co-Founder
New York, United States
Brett Ripperger
Investor
Austin, United States
Margaret K.
Chief Executive Officer
Dallas, United States
Ralph DeBernardo
Partner
Austin, United States
Frequently asked questions
Who is David Hartwig?
David Hartwig is a venture capital investor based in Palo Alto, California, United States, listed as Partner at 359 Capital. The known portfolio of that firm counts 12 companies. That portfolio belongs to the firm, not to David Hartwig personally.
What does David Hartwig invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include AI Applications, Analytics, Cloud Infrastructure and Commerce Enablement. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does David Hartwig invest at?
359 Capital appears in Growth, Seed and Series A rounds across its known deals, and David Hartwig is listed there as Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is David Hartwig listed at?
David Hartwig is listed as Partner at 359 Capital. 31 other people in the database share a firm with David Hartwig.
How do I contact David Hartwig?
A phone number and a LinkedIn page are on file for David Hartwig. They are readable inside RaiseHunt after you create an account. The database holds no email address for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal