Sean Duncan is a Principal at WestCap, whose known portfolio counts 11 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Principal at WestCap, whose known portfolio counts 11 companies
- Flip
- Preply
- Peek
- Addepar
- Flyr
- Human Security
- Valon Technologies
- Amount
- Fit Foods
- Siepe
- iAltA Holdings
Investor Profile
Founders in the listed sectors AI, Commerce, Consumer and FinTech, and focus areas Analytics, Asset Management, Crypto and Cybersecurity fall inside that listing.
Stage-wise, the deals at WestCap cluster around Growth, Seed and Series B rounds.
The firm portfolio and the focus above give founders context on whether Sean Duncan matches their raise.
Colleagues at WestCap
Showing 20 of 29
Laurence A. Tosi
Managing Partner / Founder
San Francisco, United States
Shep Maher
Managing Director
San Francisco, United States
Phuc T Truong
Limited Partner
Boston, United States
Allen Mask
Partner
Raleigh, United States
Daniyal Islam
Growth Investor
Kingston upon Thames, United Kingdom
Joshua Dart
Partner
New York, United States
George Redenbaugh
Sr Advisor
San Jose, United States
Brandon Roselius
Vice President
Dallas, United States
Kevin Marcus
Co-Chief Operating Officer
New York, United States
Christian Schnedler
Strategic Advisor, Cyber Practice
New York, United States
Alex Stewart
Managing Director
Irvington, United States
Daphne Tong
Partner & Co-Head of Investments
New York, United States
Boone Holliday
Technology Investor
New York, United States
Ben Rubin
Growth Equity Investor
San Francisco, United States
Jaime Vassallo Hildreth
Partner
New York, United States
Julianne Pisano
Vice President
New York City, United States
Michael Rogers
Vice President
New York City, United States
Allie Haldeman
Tech Investor
London, United Kingdom
Kamil Slaoui
Vice President
London, United Kingdom
Simon Kinzett
Managing Director
United Kingdom
Frequently asked questions
Who is Sean Duncan?
Sean Duncan is a private equity investor and venture capital investor based in San Francisco, California, United States, listed as Principal at WestCap. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Sean Duncan personally.
What does Sean Duncan invest in?
Listed sectors include AI, Commerce, Consumer and FinTech; listed focus areas include Analytics, Asset Management, Crypto 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 Sean Duncan invest at?
WestCap appears in Growth, Seed and Series B rounds across its known deals, and Sean Duncan is listed there as Principal. 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 Sean Duncan listed at?
Sean Duncan is listed as Principal at WestCap. 29 other people in the database share a firm with Sean Duncan.
How do I contact Sean Duncan?
An email address and a LinkedIn page are on file for Sean Duncan. 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