Geoff Mathieux
Angel investor in Phoenix
Phoenix, Arizona
Geoff Mathieux, Angel investor in Phoenix is an active investor based in Phoenix, Arizona. This profile covers what Geoff Mathieux backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Seed
- Invests in
- Healthcare & BiotechSaaS & EnterpriseConsumer & RetailMobility & LogisticsAutomotive & EVPropTech & Real EstateTravel & Hospitality
- Location
- Phoenix, Arizona
- Typical check
- $250K
- Past investments
- 2
Notable investments
WingzDigitalthink IncHow to reach Geoff Mathieux
Angels and operators like Geoff Mathieux reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Geoff Mathieux." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/geoff-mathieux
Frequently Asked Questions
What does Geoff Mathieux invest in?
Geoff Mathieux invests in Healthcare & Biotech, SaaS & Enterprise, Consumer & Retail and Mobility & Logistics, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Geoff Mathieux invest at?
Geoff Mathieux typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Geoff Mathieux's typical check size?
Geoff Mathieux 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.