Alex Tannen is an Investment & Ops at Stealth, whose known portfolio counts 6 companies.
Is Alex Tannen a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Affiliated funds' portfolios
Investment & Ops at Stealth, whose known portfolio counts 6 companies
- Lingopal
- NVision Imaging Technologies
- GEMGEM
- Hilt
- Scarlet AI
- SimuPhish
Investor Profile
Alex Tannen is listed against sectors AI, FinTech, Hardware and Healthcare, and focus areas Computer Vision, Cybersecurity, DAO tooling and Developer Tools in the database.
Stage-wise, the deals at Stealth cluster around Pre-Seed, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Alex Tannen is worth approaching.
Colleagues at Stealth
Showing 20 of 86
Ali Sina
Founder and CEO
Irvine, United States
Vishal Lugani
Stealth │ Venture Capital Investor
San Francisco, United States
Kerem Ozkan
Investor
New York, United States
James Isilay
Investor
Zürich, Switzerland
Nurzhas M.
Founder
San Francisco, United States
Christian Stiebner
Venture Partner
Germany
Wenyi Zhu
Angel Investor
San Francisco, United States
Baris Aksoy
Investor
San Francisco, United States
Thomas Williams
Board
United Kingdom
Jordan Clifford
Investor
Austin, United States
Sean Fee
Founder, Executive, Investor
San Francisco, United States
George Stamelos
Investor
London, United Kingdom
Marissa Bertorelli
Investor
San Francisco, United States
Justus Byok
Affiliated
Berlin, Germany
Gareth Keane
Investor
Santa Clara, United States
Gosia Karas
Investor
New York, United States
Aaryaman Vir Shah
Affiliated
Mumbai, India
Manish Gambhir
Board Member
New Delhi, India
Deon Nicholas
Investor
San Mateo, United States
Thilakshan K.
Investor
Atlanta, United States
Frequently asked questions
Who is Alex Tannen?
Alex Tannen is an accelerator partner and venture capital investor based in London, England, United Kingdom, listed as Investment & Ops at Stealth. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to Alex Tannen personally.
What does Alex Tannen invest in?
Listed sectors include AI, FinTech, Hardware and Healthcare; listed focus areas include Computer Vision, Cybersecurity, DAO tooling and Developer Tools. 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 Alex Tannen invest at?
Stealth appears in Pre-Seed, Seed and Series A rounds across its known deals, and Alex Tannen is listed there as Investment & Ops. 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 Alex Tannen listed at?
Alex Tannen is listed as Investment & Ops at Stealth. 86 other people in the database share a firm with Alex Tannen.
How do I contact Alex Tannen?
A phone number and a LinkedIn page are on file for Alex Tannen. They are readable inside RaiseHunt after you create an account. The database holds no email address for this profile.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal