Marshall Williams

Active Investor

Partner & Chairman at Ad Results Media

Houston, Texas

Marshall Williams, Partner & Chairman at Ad Results Media is an active investor based in Houston, Texas. This profile covers what Marshall Williams backs, at which stage, and how founders can reach out in 2026.

Mr. Marshall Williams is a Co-Founder of Ad Results Media. Mr. Williams previously served as its Chief Executive Officer. He is also an Angel Investor. He got his start nearly 30 years ago as an early adopter, salesman and advocate of direct-response radio. He quickly became one of the larger buyers of endorsement radio in the US for various companies before venturing out on his own when he formed the Williams Media Group in 1997. A year later, he connected with current business partner Russell Lindley, to form "Ad Results, Inc." and in 2016 Ad Results, Inc. merged with "Brown Bear Digital, Inc.", founded by current Partners Steve Shanks, Kurt Kaufer and Michael Kropko.

Investor type: Angel
Stages: Early Stage Venture
Invests in: Artificial IntelligenceSaaS & EnterpriseConsumer & RetailE-commerce & D2CGaming & EntertainmentMedia & ContentMarketing & AdTechSocial & Community
Location: Houston, Texas
Typical check: $500K
Past investments: 1

Notable investments

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How to reach Marshall Williams

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Frequently Asked Questions

What does Marshall Williams invest in?

Marshall Williams invests in Artificial Intelligence, SaaS & Enterprise, Consumer & Retail and E-commerce & D2C, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.