Mike Wiacek
Angel investor in Santa Clara
Santa Clara, California
Mike Wiacek, Angel investor in Santa Clara is an active investor based in Santa Clara, California. This profile covers what Mike Wiacek backs, at which stage, and how founders can reach out in 2026.
Mr. Mike Wiacek is the Founder and serves as Chief Technology Officer at Stairwell. He served as Chief Executive Officer & Board Member at Stairwell. He was a Co-Founder of Chronicle Security and also served as its Chief Security Officer. He joined Google in 2006 as an Information Security Engineer, and later co-founded and managed Google's Threat Analysis Group. As part of that team, he helped create groundbreaking achievements in the fields of Advanced Persistent Threat (APT) research and tool development. He co-founded Chronicle as a way to bring many of these techniques and capabilities to enterprise customers. Before Google, he worked for Internet Service Providers and with the U.S. Department of Defense as a Network Exploitation and Vulnerability Analyst. He has an MS degree in Computer Science from the University of Maryland, Baltimore County.
- Investor type
- Angel
- Stages
- Early Stage Venture
- Invests in
- SaaS & Enterprise
- Location
- Santa Clara, California
- Typical check
- $500K
- Past investments
- 1
Notable investments
How to reach Mike Wiacek
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About this profile
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Cite this page
Round Funded. "Mike Wiacek." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mike-wiacek
Frequently Asked Questions
What does Mike Wiacek invest in?
Mike Wiacek invests in SaaS & Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mike Wiacek invest at?
Mike Wiacek typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Mike Wiacek's typical check size?
Mike Wiacek 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.