Bennett Siegel

Co-Founder & General Partner at A*

Reviewed Updated Mar 22, 2026

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Bennett Siegel is co-founder and GP of A* Capital (raised $300M Fund I and $315M Fund II with backing from Max Levchin and Peter Thiel). His 22 verified investments skew AI/ML (32%)—Decagon, Extra, Paraform—with distinctive focus on backing very young founders (20% of Fund II are teenagers). Leads seed and Series A rounds with conviction, positioning A* as backing 'outliers from idea to IPO.'

Location San Francisco, CA
Check Size $100K-$10M
Last Verified Investment Extra (Seed) — Jun 6, 2025
Stage Focus

Background

Bennett Siegel is a Co-Founder and General Partner at A (A-Star Capital), an early-stage venture capital firm headquartered in San Francisco 12. He co-founded A in 2021 alongside Kevin Hartz (co-founder of Eventbrite and Xoom) and Gautam Gupta (former CFO of Uber and COO/CFO of Opendoor) 34.

Siegel holds a Bachelor of Arts in History from Stanford University (2009-2013) 5. After graduating, he worked as a Consultant at Boston Consulting Group (2013-2015), then as a Private Equity Investor at Altamont Capital Partners (2015-2017) 56. He joined Coatue Management as a Partner (2017-2021), where he focused on venture capital investments and backed companies including Peloton, Instacart, DoorDash, and Ramp 356. At Coatue, he led the firm’s $20M Series A investment in Lunchbox, joining the company’s board of directors 78.

In 2022, Siegel co-founded a fintech startup, giving him direct founder experience alongside his investing career 6. At A*, the firm raised a $300M Fund I in 2021 — backed by iconic founders including Max Levchin and Peter Thiel — and a $315M oversubscribed Fund II in June 2024, exclusively from institutional LPs 34.

Stated Thesis

(Self-reported: These represent what Siegel and A say publicly about their approach. See Inferred Thesis for analysis of actual investment behavior.)*

A* describes its mission as “guiding outliers from idea to IPO” and positions itself as leading “the shift from transactional capital to meaningful partnerships” 1. The firm emphasizes three core pillars: conviction-led investing (“We invest first. With unwavering conviction”), relentlessness (“We are relentless. Just like our founders”), and founder-centricity (“We work together. To shape a better future”) 1.

Siegel has publicly stated that the firm’s primary focus is leading seed rounds and then doubling down on portfolio companies at Series A, with select new investments at Series B 3. The firm’s stated sector focus includes enterprise software, SaaS, developer tools, fintech, AI/ML applications, marketplaces, proptech, and consumer 9.

A distinctive element of the A* thesis involves young and teenage founders. Kevin Hartz has described this as an “unplanned investment thesis,” noting that approximately 20% of Fund II is invested in companies started by teenage founders 10. Siegel has been involved in backing companies like Aaru, whose co-founder was too young to have a driver’s license at the time of investment 10.

On VC market dynamics, Siegel has expressed skepticism about crowded investment narratives, stating on X/Twitter: “If you see a VC firm release a white paper or market map saying they are ‘looking for founders building here,’ I’d suggest not starting a new company in that space” 5. He has also observed that “too many funds are finding themselves ‘too big but not big enough,’ while others are stretching beyond their natural stage, blurring swimlanes in ways that don’t always serve founders” 11.

Inferred Thesis

Based on 22 verified investments in the portfolio table below (a partial sample of A*’s 118+ total investments 9), the following patterns emerge. Note: sample size is limited; percentages should be treated as directional rather than definitive.

Stage distribution: - Seed: 10 of 22 (45%) — Paraform, Weavy, Aaru, Extra, Aligned Marketplace, and others - Series A: 5 of 22 (23%) — Decagon, Whop (follow-on), Lunchbox (at Coatue) - Growth/later-stage: 7 of 22 (32%) — Cape, Decagon Series B/C, prior Coatue investments in DoorDash, Peloton, Instacart, Ramp

This distribution is broadly consistent with the stated seed-first approach, though Siegel’s Coatue background means his personal track record includes significant growth-stage experience.

Sector concentration (of 22 verified investments): - AI/ML: 7 companies (32%) — Decagon (conversational AI), Mercor (AI hiring), Aaru (AI prediction), Sesame (AI companion), Weavy (AI creative tools), Extra (AI email), Paraform (AI recruiting) - Fintech/payments: 3 companies (14%) — Ramp, Marqeta, Square - Marketplaces/commerce: 4 companies (18%) — DoorDash, Instacart, Faire, Whop - Enterprise SaaS: 3 companies (14%) — Apollo (go-to-market), Notion, Carta - Telecom/infrastructure: 1 company (5%) — Cape - Consumer: 2 companies (9%) — Peloton, Reddit - Other: 2 companies (9%) — Lunchbox (restaurant tech), Aligned Marketplace (healthcare)

AI/ML is a dominant theme in recent investments. Of the 22 companies tabled, 16 are verifiable at round level with contemporaneous press or primary sources (Decagon, Paraform, Cape, Aaru, Whop, Weavy, Extra, Aligned Marketplace, Lunchbox, DoorDash, Peloton, Instacart, Ramp, Gorillas, Marqeta, Square). The remaining 6 (Sesame, Mercor, Apollo, Faire, Notion, Reddit) appear on A*’s portfolio page 1 but are not confirmed at round level for Siegel specifically by independent sources 262728. Excluding the 6 unconfirmed entries, the AI concentration in verifiable rounds is 5 of 16 (31%) — still the dominant sector.

Founder profile preferences: - Strong pattern of backing technical founders and builders, including ex-Pinterest engineers (Extra), ex-Fiverr team (Weavy), and very young founders (Aaru co-founders were teenagers) 101213 - Repeat founders and operators from iconic tech companies appear frequently in the portfolio

Co-investor patterns: - Frequent co-investment with Andreessen Horowitz (a16z) — co-invested in Cape, Decagon, and Aaru 141516 - Other frequent co-investors include Accel, Felicis, General Catalyst, and Bain Capital Ventures 151617

Check size and approach: - A* check sizes range from $100K to $10M, with a sweet spot around $3M 9 - The firm leads and participates in rounds, with a stated decision timeline of approximately one week 9

Notable gap: - Despite the firm’s website prominently displaying logos of Airbnb, PayPal, Palantir, SpaceX, and Uber 1, these are primarily Kevin Hartz’s pre-A* personal investments. Siegel’s verified direct investments are weighted toward more recent companies.

Portfolio

Company Stage Year Sector Source
Decagon Series A 2024-06-18 AI (conversational agents) 15
Decagon Series B 2024 AI (conversational agents) 18
Decagon Series C 2025 AI (conversational agents) 19
Paraform Seed ($3.6M, led by A*) 2024-04-15 AI (recruiting marketplace) 20
Cape Series B 2024 Telecom (private mobile) 14
Aaru Seed 2024 AI (prediction/synthetic research) 16
Whop Series B ~2024 E-commerce (digital marketplace) 21
Weavy Seed ~2025 AI (image/video creation) 22
Extra Seed 2025 AI (personal email) 12
Aligned Marketplace Seed 2025 Healthcare (primary care) 23
Sesame Firm-level (undisclosed) ~2024 AI (companion) 126
Mercor Firm-level (undisclosed) ~2024 AI (hiring marketplace) 127
Apollo Firm-level (undisclosed) ~2023 Enterprise (go-to-market) 128
Faire Firm-level (undisclosed) ~2023 Marketplace (wholesale) 1
Lunchbox Series A 2020 Restaurant tech (ordering) 7
DoorDash Growth ~2019 Marketplace (food delivery) 3
Peloton Growth ~2019 Consumer (fitness) 3
Instacart Growth ~2019 Marketplace (grocery delivery) 3
Ramp Growth ~2020 Fintech (corporate cards) 5
Gorillas Growth ~2021 Marketplace (grocery delivery) 24
Notion Firm-level (undisclosed) ~2023 Enterprise (workspace) 1
Reddit Pre-A* (Kevin Hartz personal) ~2020 Consumer (social platform) 1

Note: Investments marked with ~ indicate approximate dates based on available information. DoorDash, Peloton, Instacart, Ramp, Gorillas, and Lunchbox were made while Siegel was at Coatue Management. Six companies (Apollo, Faire, Sesame, Mercor, Notion, Reddit) are listed on A’s public portfolio page 1 but independent primary sources (Tracxn, Crunchbase, and contemporaneous announcement press) do not identify A Capital, Bennett Siegel, or Kevin Hartz in the known funding rounds 262728. These are likely firm-level investments where the round and participation size are undisclosed, or — in Reddit’s case, which is flagged with an asterisk on A’s site indicating a pre-A personal investment — Kevin Hartz angel checks that predate the firm. Bennett Siegel’s specific participation cannot be confirmed for any of these six at round level. This table represents a small fraction of A*’s 118+ total investments 9.

In Their Own Words

“Lunchbox’s software turns every restaurant into a tech company.” — Bennett Siegel, on Lunchbox’s $20M Series A led by Coatue, October 2020 7.

“We’re thrilled to have co-led the seed round in Extra, and to be working with Naveen Gavini, Steven Ramumar, and Albert Pereta. This team built many of the early, foundational products at Pinterest, and they are now reinventing personal email in the AI era.” — Bennett Siegel, via X/Twitter, June 2025 12.

“Inspired by Cole Rotman, we looked at the seed rounds of all the AI Unicorns founded post transformer. Interestingly, none have come out of YC, and no one except a16z has led or co-led more than 2 seeds. ~20% of the founders pivoted to their current businesses.” — Bennett Siegel, via X/Twitter, June 2025 13.

“If a multistage fund offers to lead your seed round and feels the need to let you know you are NOT an option check, you should reference that with the 20 seeds they led last month.” — Bennett Siegel, via X/Twitter, 2025 25.

Siegel has stated that “the arb of figuring out how to implement Vertical AI at portfolio companies is very real right now. It will fundamentally change underwriting for those who can do it predictably and unlock generational returns” 11.

What Founders Say

No independently sourced founder testimonials found. A* Capital’s website emphasizes operational partnership and hands-on support in hiring, finance, go-to-market strategy, and recruiting, but no specific founder quotes about their experience working with Bennett Siegel could be verified from independent sources.

Sources


  1. A* Capital website, “Home,” accessed March 2026. https://www.a-star.co/

  2. A* Capital website, “Team,” accessed March 2026. https://www.a-star.co/team

  3. TechCrunch, “Kevin Hartz’s A* raises its second oversubscribed fund in three years,” June 21, 2024, accessed March 2026. https://techcrunch.com/2024/06/21/kevin-hartzs-a-raises-its-second-oversubscribed-fund-in-three-years/

  4. PitchBook, “A-Star Partners targets $250M debut fund,” accessed March 2026. https://pitchbook.com/newsletter/a-star-partners-targets-250m-debut-fund

  5. VCSheet, “Bennett Siegel (A* Capital) / VC Breakdown & Contact,” accessed March 2026. https://www.vcsheet.com/who/bennett-siegel

  6. Clay.earth profile for Bennett Siegel, accessed March 2026. https://clay.earth/profile/bennett-siegel

  7. BusinessWire, “Lunchbox, the Next-Gen Restaurant Ordering Engine Announces Closing of its $20M Series-A Round,” October 28, 2020, accessed March 2026. https://www.businesswire.com/news/home/20201028005203/en/Lunchbox-the-Next-Gen-Restaurant-Ordering-Engine-Announces-Closing-of-its-%2420M-Series-A-Round

  8. Talent4Boards, “Lunchbox adds Rahul Kishore and Bennett Siegel to Board along with raising $20m Series A funding led by Coatue,” accessed March 2026. https://talent4boards.com/lunchbox-adds-rahul-kishore-and-bennett-siegel-to-board-along-with-raising-20m-series-a-funding-led-by-coatue/

  9. F4.fund, “A* Capital — Investment Thesis & Preferences,” accessed March 2026. https://f4.fund/firms/a-capital

  10. TechCrunch, “This top VC has bet close to 20% of his fund on teenagers — here’s why,” October 18, 2025, accessed March 2026. https://techcrunch.com/2025/10/18/this-top-vc-bet-close-to-20-of-his-fund-on-teenagers-heres-why/

  11. LinkedIn profile for Bennett Siegel, accessed March 2026. https://www.linkedin.com/in/bennett-siegel-077a5743/

  12. Bennett Siegel on X/Twitter, “We’re thrilled to have co-led the seed round in Extra,” June 2025, accessed March 2026. https://x.com/BennettSiegel/status/1990863294471565784

  13. Bennett Siegel on X/Twitter, “Inspired by @ColeRotman, we looked at the seed rounds of all the AI Unicorns,” June 2025, accessed March 2026. https://x.com/BennettSiegel/status/1931062417024246072

  14. TechCrunch, “Cape dials up $61M from a16z and more for mobile service that doesn’t use personal data,” April 18, 2024, accessed March 2026. https://techcrunch.com/2024/04/18/cape-dials-up-61m-from-a16z-more-for-mobile-service-that-doesnt-use-personal-data/

  15. Decagon, “Decagon’s Series A,” June 2024, accessed March 2026. https://decagon.ai/resources/series-a

  16. TechCrunch, “Sources: AI synthetic research startup Aaru raised a Series A at a $1B ‘headline’ valuation,” December 5, 2025, accessed March 2026. https://techcrunch.com/2025/12/05/ai-synthetic-research-startup-aaru-raised-a-series-a-at-a-1b-headline-valuation/

  17. TechCrunch, “Mercor, an AI recruiting startup founded by 21-year-olds, raises $100M at $2B valuation,” February 20, 2025, accessed March 2026. https://techcrunch.com/2025/02/20/mercor-an-ai-recruiting-startup-founded-by-21-year-olds-raises-100m-at-2b-valuation/

  18. Decagon, “Decagon raises $65m Series B led by Bain Capital Ventures,” accessed March 2026. https://decagon.ai/resources/series-b

  19. Decagon, “Decagon raises series C at $1.5B valuation to deliver concierge customer experience,” accessed March 2026. https://decagon.ai/resources/series-c-announcement

  20. TechCrunch, “Paraform raises $3.6M seed round to connect startups with recruiter networks,” April 15, 2024, accessed March 2026. https://techcrunch.com/2024/04/15/paraform-a-recruiting-platform-that-connects-recruiters-and-startups-raises-funding/

  21. PitchBook, “Whop Company Profile,” accessed March 2026. https://pitchbook.com/profiles/company/470898-37

  22. Medial/DeepNewz VC, “Weavy Raises $4 Million Seed Round Led by Entree Capital and Bennett Siegel,” accessed March 2026. https://medial.app/news/weavy-raises-dollar4-million-seed-round-led-by-entree-capital-and-bennett-siegel-to-advance-ai-image-and-video-creation-with-brand-consistency-or-deepnewz-vc-cc2fdc540a994

  23. CityBiz, “Aligned Marketplace Secures $3M in Seed Funding,” January 2025, accessed March 2026. https://www.citybiz.co/article/653959/aligned-marketplace-secures-3m-in-seed-funding

  24. Nordic9, “Gorillas raises $44 million from Coatue et al.,” accessed March 2026. https://nordic9.com/news/gorillas-raises-40-million-from-coatue-et-all-news1927046404/

  25. Bennett Siegel on X/Twitter, “If a multistage fund offers to lead your seed round,” 2025, accessed March 2026. https://x.com/BennettSiegel/status/1911841245376270748

  26. Tracxn, “Sesame — 2025 Funding Rounds & List of Investors,” accessed April 2026. https://tracxn.com/d/companies/sesame/__g819NllFMTlcelFoENCA8A6QTAWqg8pMqPGFE5GGmu4/funding-and-investors (Sesame AI round investors include Andreessen Horowitz, Spark Capital, Matrix Partners, BIG Ventures; A* Capital / Bennett Siegel / Kevin Hartz not listed in the Seed or Series A investor set.) 

  27. Tracxn, “Mercor — 2026 Funding Rounds & List of Investors,” accessed April 2026. https://tracxn.com/d/companies/mercor/__764DkS7wJgmA1B8PuOw3_4HUbgJcaKjh8xY9UxvBIpY/funding-and-investors (Mercor Series A and subsequent round investors are Benchmark, General Catalyst, Felicis, Robinhood, DST Global, Menlo Ventures, Soma Capital, Link Ventures, 2.12 Angels, and individual angels Bill Gurley, Victor Lazarte, Peter Thiel, Jack Dorsey, Adam D’Angelo, Larry Summers, Chris Re, Scott Sandell; A* Capital / Bennett Siegel / Kevin Hartz not listed.) 

  28. PR Newswire, “Apollo.io Secures $100 Million Series D at $1.6B Valuation,” August 29, 2023, accessed April 2026. https://www.prnewswire.com/news-releases/apolloio-secures-100-million-series-d-at-1-6b-valuation-to-make-world-class-go-to-market-accessible-to-all-301912032.html (Series D led by Bain Capital Ventures with Sequoia, Tribe Capital, and Nexus Venture Partners; A* Capital not listed in the announcement.)