Mark Hartney

Mark Hartney

Active Investor

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

SLAC National Accelerator LaboratorySwedish Algae FactoryAdvanced Research Projects Agency—Energy (ARPA-E)

How to reach Mark Hartney

Angels and operators like Mark Hartney 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 Accelerator.

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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 I contact Mark Hartney?

Unlock Mark Hartney's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Mark Hartney