Mark Hartney
Powerhouse Ventures Investor at Powerhouse
Lisbon, Lisbon District
Mark Hartney, Powerhouse Ventures Investor at Powerhouse is an active investor based in Lisbon, Lisbon District. This profile covers what Mark Hartney backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCInvestor
- Stages
- Series B
- Invests in
- Climate & EnergyHardware & Deep Tech
- Location
- Lisbon, Lisbon District
- Typical check
- $3M
- Past investments
- 3
Notable investments
Swedish Algae FactoryAdvanced Research Projects Agency—Energy (ARPA-E)How to reach Mark Hartney
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Cite this page
Round Funded. "Mark Hartney." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-hartney
Frequently Asked Questions
What does Mark Hartney invest in?
Mark Hartney invests in Climate & Energy and Hardware & Deep Tech, typically at Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mark Hartney invest at?
Mark Hartney typically invests at Series B. Lead with traction that fits the stage when you reach out.
What is Mark Hartney's typical check size?
Mark Hartney typically writes checks around $3M. 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.