Tom Keiser

Active Investor

COO at Promise

Mill Valley, California

Tom Keiser, COO at Promise is an active investor based in Mill Valley, California. This profile covers what Tom Keiser backs, at which stage, and how founders can reach out in 2026.

Mr. Tom Keiser is an Angel Investor. Mr. Keiser served as Chief Executive Officer at Hootsuite. He served as Chief Operating Officer at Zendesk. He served as Executive Vice President of Global Product Operations at The Gap, Inc., an apparel company, where he also served as Chief Information Officer from January 2010 to December 2013. He holds a B.S. in systems science from the University of West Florida. His leadership style, deep operational focus, and breadth of experience in sales and customer experience are well suited to Hootsuite's needs for building strong, scalable business and technology operations, with a focus on customer success. His personal alignment with Hootsuite's B Corp values further confirmed he was the right person to lead the company through its next stage of growth.

Investor type: Angel
Stages: Early Stage Venture
Invests in: SaaS & EnterpriseClimate & Energy
Location: Mill Valley, California
Typical check: $500K
Past investments: 1

Notable investments

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How to reach Tom Keiser

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Frequently Asked Questions

What does Tom Keiser invest in?

Tom Keiser invests in SaaS & Enterprise and Climate & Energy, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.