Alex Seaver
Co-founder and General Partner of Tanis Venture Management, alongside Jack Seaver and Brad Kent; also founder of hedge fund Stadium Capital Management (1999) and a former Partner at InterWest Venture Management. Not confirmed as related to Jack Seaver despite sharing a surname.
Alexander (Alex) Seaver is co-founder and General Partner of Tanis Venture Management, founder and Managing Director of Stadium Capital Management (est. around 1999), and a co-founder of BMS Partners. He was earlier a Partner at InterWest Venture Management Co. (1987-1995) and serves as a director of Agilis Biotherapeutics. Seaver holds a B.A. from Harvard (1982) and an M.B.A. from Stanford GSB (1986); at Harvard he played collegiate tennis, reportedly a former captain of the U.S. Prentice Cup team, though the sole source for that detail (Business Insider India) is now an unreachable domain and flagged for re-sourcing. He is a guest lecturer at Stanford GSB and previously served on its Endowment Board. Tanis co-founder Brad Kent also traces to both InterWest and Stadium Capital in public records. Despite sharing a surname with fellow Tanis co-founder Jack Seaver, no source confirms a family relationship; this is treated as unconfirmed.
Overview
- Role
- Co-Founder & General Partner, Tanis Venture Management
- Based in
- Palm Beach, FL
- Prior experience
- InterWest Venture Management Co. (Partner 1987-1995); Stadium Capital Management (Founder & Managing Director); BMS Partners (Co-Founder); Agilis Biotherapeutics LLC (Director)
Companies0
No linked records yet.
Frequently asked
- Who is Alex Seaver?
- Alexander (Alex) Seaver is co-founder and General Partner of Tanis Venture Management, founder and Managing Director of Stadium Capital Management (est. around 1999), and a co-founder of BMS Partners. He was earlier a Partner at InterWest Venture Management Co. (1987-1995) and serves as a director of Agilis Biotherapeutics. Seaver holds a B.A. from Harvard (1982) and an M.B.A. from Stanford GSB (1986); at Harvard he played collegiate tennis, reportedly a former captain of the U.S. Prentice Cup team, though the sole source for that detail (Business Insider India) is now an unreachable domain and flagged for re-sourcing. He is a guest lecturer at Stanford GSB and previously served on its Endowment Board. Tanis co-founder Brad Kent also traces to both InterWest and Stadium Capital in public records. Despite sharing a surname with fellow Tanis co-founder Jack Seaver, no source confirms a family relationship; this is treated as unconfirmed.
- What is Alex Seaver's role?
- Alex Seaver is Co-Founder & General Partner, Tanis Venture Management, based in Palm Beach, FL.
- Where did Alex Seaver work before?
- Alex Seaver's prior roles include InterWest Venture Management Co. (Partner 1987-1995); Stadium Capital Management (Founder & Managing Director); BMS Partners (Co-Founder); Agilis Biotherapeutics LLC (Director).
Tags
Sources & citations6
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Tanis Venture Management, Mill Town Capital, and VTC Ventures announce the acquisition of Dive Technologies by Anduril Industries; identifies Tanis as co-founded by Jack Seaver, Alex Seaver, and Brad Kent.
Caribbean News Global (Businesswire): Tanis Venture Management, Mill Town Capital, and VTC Ventures Announce Acquisition of Dive Technologies by Anduril IndustriesVerified2022-02-04 - 2
Alexander Medina Seaver, founder and Managing Director of Stadium Capital Management (founded 1999); MBA Stanford Graduate School of Business (1986), BA Harvard College (1982); previously partner at InterWest Partners LLC (1987-1995); also director at Agilis Biotherapeutics LLC.
Insider Monkey: Alexander Medina Seaver - Stadium Capital ManagementReported2026-08-11 - 3
Alexander Seaver, Founder and Managing Director of Stadium Capital Management (established 1999); also founded Tanis Venture Management LLC in 2020 as General Partner.
Snowball Research: Stadium Capital Management LLCReported2026-08-11 - 4
Alexander Seaver LinkedIn profile, Stadium Capital Management, LLC.
LinkedIn: Alexander SeaverReported2026-08-11 - 5
Alex Seaver has spent his career in investments, co-founding Stadium Capital Management as well as Tanis Venture Management and BMS Partners. A Harvard graduate and former varsity tennis player, Alex earned his MBA from Stanford, where he is a guest lecturer and previously served on the Endowment Board.
RocketReach: Alexander Seaver — Stadium Capital Management, LLC Co-Founder, Managing PartnerReported2026-08-11 - 6
Alex Seaver, who is the founder of Stadium Capital Management, played tennis for Harvard and captained the United States Prentice Cup team (combined Harvard/Yale team vs. international collegiate competition). [Note: sole source found for this claim, businessinsider.in, is now an unreachable/dead domain (NXDOMAIN as of 2026-08-11); retained here as reported/low-confidence pending re-sourcing.]
Business Insider India (dead domain as of 2026-08-11): 46 Of The Biggest Tennis Players In Finance — Alex SeaverReported2026-08-11