Mark Tonnesen
Angel investor in Scottsdale
Scottsdale, Arizona
Mark Tonnesen, Angel investor in Scottsdale 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
How to reach Mark Tonnesen
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About this profile
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Cite this page
Round Funded. "Mark Tonnesen." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-tonnesen
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.
What stage does Mark Tonnesen invest at?
Mark Tonnesen typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Mark Tonnesen's typical check size?
Mark Tonnesen typically writes checks around $250K. 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.