Bill Stumphauzer
Angel investor in Amherst
Amherst, Ohio
Bill Stumphauzer, Angel investor in Amherst is an active investor based in Amherst, Ohio. This profile covers what Bill Stumphauzer backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- IoT & Connected DevicesSaaS & EnterpriseMobility & LogisticsTravel & HospitalityTelecom & Connectivity
- Location
- Amherst, Ohio
- Typical check
- $150K
- Past investments
- 10
Notable investments
Birdi
Pillar Technologies
Zembula
Onfleet
BrilliantSirius XM Radio Inc.
LeadIQ
Stay Wanderful
Flow Labs
HeadoutHow to reach Bill Stumphauzer
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About this profile
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Cite this page
Round Funded. "Bill Stumphauzer." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/bill-stumphauzer
Frequently Asked Questions
What does Bill Stumphauzer invest in?
Bill Stumphauzer invests in IoT & Connected Devices, SaaS & Enterprise, Mobility & Logistics and Travel & Hospitality, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Bill Stumphauzer invest at?
Bill Stumphauzer typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Bill Stumphauzer's typical check size?
Bill Stumphauzer typically writes checks around $150K. 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.