Act One Ventures

Act One Ventures is a venture capital firm based in Los Angeles, California, founded in 2016. It focuses on seed and pre-seed investments in software-driven startups, including business software, enterprise software, e-commerce infrastructure, vertical SaaS, and fintech, as well as opportunities arising from university research commercialization. The firm backs early-stage companies with product-market fit and scalable growth, often led by founders who have built and taken a company public. Typical equity investments range from approximately $0.25 million to $0.50 million. The team maintains strong ties to the Los Angeles academic community, particularly UCLA, and emphasizes practical, market-ready solutions with broad potential. Act One Ventures leverages founder-level experience to provide hands-on guidance and strategic support to portfolio companies as they grow from inception toward commercialization.

Alejandro Guerrero

Co-Founder and General Partner

Michael Silton

Managing Director

Kim Stiefel

Investor

Past deals in Los Angeles, CA

Afterparty

Venture Round in 2023
Founded in 2021, Afterparty is a Los Angeles-based technology company that empowers creators to directly monetize and engage with their fans through token-gated experiences in the metaverse and real life.

Ordermark

Series C in 2020
Ordermark is a technology platform that aggregates orders from various online food delivery services into a single dashboard for restaurants. Founded in 2017, it enables restaurants to streamline operations, increase ordering volume, and maximize sales.

Ordermark

Series B in 2019
Ordermark is a technology platform that aggregates orders from various online food delivery services into a single dashboard for restaurants. Founded in 2017, it enables restaurants to streamline operations, increase ordering volume, and maximize sales.

Ordermark

Series A in 2018
Ordermark is a technology platform that aggregates orders from various online food delivery services into a single dashboard for restaurants. Founded in 2017, it enables restaurants to streamline operations, increase ordering volume, and maximize sales.

Ordermark

Seed Round in 2018
Ordermark is a technology platform that aggregates orders from various online food delivery services into a single dashboard for restaurants. Founded in 2017, it enables restaurants to streamline operations, increase ordering volume, and maximize sales.
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