Michael Silton

Managing Director, Act One Ventures
Michael Silton, a fourth‑generation founder who took Rainmaker Systems public, brings 30+ years spanning early internet software to today's B2B startups and experience across the founder spectrum from failure to IPO.
How to contact Michael Silton
Stages their fund invests in
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Sectors their fund invests in
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Avg Check
$300K - $1M
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Does their fund Lead?
Yes
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Geos their fund invests in
USA
Michael Silton
Stages their fund invests in
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Sectors their fund invests in
AI
SaaS
Fintech
Health
Under-represented founders
N/A
Avg Check
$300K - $1M
N/A
Leads?
Yes
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About Michael Silton

Michael Silton is a fourth-generation founder who built and took Rainmaker Systems public on Nasdaq before becoming a venture investor, giving him hands-on experience with the full spectrum of founder outcomes from failure to IPO. He co-founded Act One Ventures in Los Angeles after serving as Executive Director of the UCLA Venture Capital Fund, bringing over three decades of continuity from early internet software through today's B2B startups.

Michael Silton's Interests

What they've been talking about across their social media accounts
  • Deep engagement with the UCLA entrepreneurial community and alumni network. He frequently highlights companies founded by fellow Bruins and participates in campus events, such as judging the student venture competitions or promoting talks by high-profile alumni like the CEO of Uber.
  • Consistent public support for portfolio companies achieving major milestones. He actively celebrates funding rounds and acquisitions, such as sharing news about Finix raising their Series A and B rounds or Silversheet being acquired by AMN Healthcare.
  • Interest in B2B software and vertical-specific technology solutions that digitize traditional industries. He has highlighted innovations like AI bookkeeping for construction sites by Veryfi and water technology leadership from WaterPlanet.
  • Enthusiasm for digital health and wearable technology. He promoted Bloomlife for its pregnancy tracking wearable during CES and acknowledged its fundraising success, showing an appetite for hardware that solves specific health problems.

About their Fund

Act One Ventures

Sectors
AI, SaaS, Fintech, Health, Under-represented founders
Rounds
Pre-Seed - Seed
Avg Check Size
$300K - $1M

Act One Ventures is widely recognized as the originator of the "Diversity Rider," a standardized term-sheet clause that requires each deal to include underrepresented investors on the cap table, which General Partner Alejandro Guerrero created and promotes through a dedicated podcast to turn it into a broader movement. The firm focuses on AI-native business software with a "fewer bets, deeper relationships" model, making only ~7 new investments per year while achieving unusually strong results like 60% of portfolio reaching Series B/C and leading the seed in AuditBoard's $3.15B exit in 2024.

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