Tom Keiser
Angel investor in Mill Valley
Mill Valley, California
Tom Keiser, Angel investor in Mill Valley 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
How to reach Tom Keiser
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About this profile
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Cite this page
Round Funded. "Tom Keiser." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/tom-keiser
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.
What stage does Tom Keiser invest at?
Tom Keiser typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Tom Keiser's typical check size?
Tom Keiser typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.