Mark Tonnesen

Active Investor

Technology Executive at TAG CXO

Scottsdale, Arizona

Mark Tonnesen, Technology Executive at TAG CXO is an active investor based in Scottsdale, Arizona. This profile covers what Mark Tonnesen backs, at which stage, and how founders can reach out in 2026.

Mr. Mark Tonnesen serves as Chief Information Officer at Achieve. Mr. Tonnesen serves as Advisory Board & Investment Committee Member at Pancosmic Capital. He is an Angel Investor. Mr. Tonnesen serves as Chief Information Officer at Achieve. Prior to joining Achieve he was the CIO at Neustar, Electronic Arts, McAfee, and Logitech during times of tremendous growth and change.

Investor type: AngelPE
Stages: Seed
Invests in: Healthcare & BiotechSaaS & EnterpriseConsumer & RetailClimate & EnergyCybersecurityManufacturing & IndustrialMobility & LogisticsSupply Chain & Logistics
Location: Scottsdale, Arizona
Typical check: $250K
Past investments: 2

Notable investments

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How to reach Mark Tonnesen

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Frequently Asked Questions

What does Mark Tonnesen invest in?

Mark Tonnesen invests in Healthcare & Biotech, SaaS & Enterprise, Consumer & Retail and Climate & Energy, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.