Investor profile
Louis Toth
Corporate VC, Venture capital & Adviser at Cerity Partners Ventures, Managing Partner at Alter Venture Partners
Louis Toth is a Managing Partner at Alter Venture Partners, whose known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Adviser at Cerity Partners Ventures, whose known portfolio counts 1 company
- AmpUp
Managing Partner at Alter Venture Partners, whose known portfolio counts 10 companies
- Balbix
- SiMa.ai
- Monogoto
- iLoF
- Aviz Networks
- SiLC Technologies
- TrustLogix
- DataPelago
- Spectro Cloud
- Videon Labs
Investor Profile
Louis Toth is listed against sectors AI, Climate, Consumer and Hardware, and focus areas 3D Technology, AI Infrastructure, Cloud Infrastructure and Cybersecurity in the database.
Stage-wise, the deals at Alter Venture Partners cluster around Growth, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Louis Toth is worth approaching.
Colleagues
Brett Kadesh
Venture Advisor
San Francisco, United States
Scott Lenet
Partner
Los Angeles, United States
Abigail Risse
Senior Associate
Boston, United States
Aubrey Chappellet Flagler
Investor
Los Angeles, United States
Brian Laegeler
Partner
Chicago, United States
Rich Grant
Partner
San Francisco, United States
Greg Bergamesco
Partner
Philadelphia, United States
Matthew Shackelford
Senior Principal
Los Angeles, United States
Mike Buckley
Venture Advisor
Portland, United States
Antonio Viana Baptista
Investor
Portugal
Pedro Silva Pinto
Partner
Lisboa, Portugal
Beth Kearns
Partner
Los Angeles, United States
David Feldman
Senior Associate
New York, United States
David Horowitz
Partner
Philadelphia, United States
Laure Fischer
Venture Capital Investor
San Francisco, United States
Aj T.
Principal
Chicago, United States
Will Geiger
Partner
Los Angeles, United States
Frequently asked questions
Who is Louis Toth?
Louis Toth is a corporate venture investor and venture capital investor based in San Francisco, California, United States, listed as Managing Partner at Alter Venture Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Louis Toth personally.
What does Louis Toth invest in?
Listed sectors include AI, Climate, Consumer and Hardware; listed focus areas include 3D Technology, AI Infrastructure, Cloud Infrastructure and Cybersecurity. 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 Louis Toth invest at?
Alter Venture Partners appears in Growth, Seed and Series A rounds across its known deals, and Louis Toth is listed there as Managing 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 Louis Toth listed at?
Louis Toth is listed as Managing Partner at Alter Venture Partners. 17 other people in the database share a firm with Louis Toth.
How do I contact Louis Toth?
An email address and a LinkedIn page are on file for Louis Toth. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number 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