Investor profile
Mark Hartney
Angel & Principal at Breakthrough Energy, Powerhouse Ventures Investor at Powerhouse Ventures, Board Member at New Energy Nexus
An angel investor based in Lisbon, Portugal, Mark Hartney has one known investment, Swedish Algae Factory.
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Investment focus
- Stage
- Series B
Contacts
Mark Hartney portfolio company (1)
- Swedish Algae Factory
Affiliated funds' portfolios
Principal at Breakthrough Energy, whose known portfolio counts 10 companies
- Fervo Energy
- ZeroAvia
- Stoke Space
- Sygaldry Technologies
- Mangrove Lithium
- Rumin8
- Heron Power
- Fleetzero
- Arinna
- Litherm Technologies
Powerhouse Ventures Investor at Powerhouse Ventures, whose known portfolio counts 38 companies
- Tyba
- AmpUp
- Presto
- ThinkLabs AI
- TrustBridge.GG
- Five Iron Golf
- Heron Power
- Pro Shop
- Energetic Capital
- Salient
- Alive
- Betty
- and 26 more
Board Member at New Energy Nexus, whose known portfolio counts 8 companies
- Swap
- Xurya
- Synergy
- DoDo
- Ningbo Shanshan
- Pronoia
- RePurpose Energy
- cKers Finance
Investor Profile
The known portfolio sits in sectors Climate, Consumer and Energy, and focus areas Clean Energy, Decarbonization and Recycling.
The stage tag on this profile is Series B.
The portfolio and focus above give founders context on whether Mark Hartney matches their raise.
Colleagues
Showing 20 of 41
Bill Gates
Founder
Seattle, United States
Joel Moxley
Venture Partner
United States
Thatcher Bell
Head of Programs, New York
New York, United States
Richard Rouse
Investor
Melbourne, Australia
Danny Kennedy
Venture Partner
Oakland, United States
Jeff Macon
Technical Advisory Committee (TAC) Member
Sacramento, United States
Emily Kirsch
Founder and CEO - Powerhouse Innovation
Oakland, United States
Stefan Zlatev
Partner
New York, United States
Marie Thompson
Partner
Oakland, United States
Will Cunning
Investment Manager- Aliwa Funds Management
Brisbane, Australia
Phil Larochelle
Partner
Cambridge, United States
Carmichael Roberts
Chief Investment Officer
Boston, United States
Cooper Rinzler
Partner
San Francisco, United States
Chris Rivest
Partner
Palo Alto, United States
Tim Singer
Business Fellow/Operating Partner
San Francisco, United States
Jeff Momplaisir
Director of Portfolio Analytics
Boston, United States
Sandhya Sriram
Mentor
New Zealand
Erik Balck Sørensen
Member of LPAC of Breakthrough Energy Ventures III
Copenhagen, Denmark
Sri Peddu
General Partner
San Jose, United States
Eric Toone
CTO
Raleigh, United States
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Frequently asked questions
Who is Mark Hartney?
Mark Hartney is an angel investor based in Lisbon, Portugal with one known investment on file, Swedish Algae Factory. The sections above list the sectors, stages and firms attached to that record.
What does Mark Hartney invest in?
Listed sectors include Climate, Consumer and Energy; listed focus areas include Clean Energy, Decarbonization and Recycling. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Mark Hartney invest at?
The database lists Mark Hartney for Series B rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Mark Hartney listed at?
Mark Hartney is listed as Powerhouse Ventures Investor at Powerhouse Ventures. 41 other people in the database share a firm with Mark Hartney.
How do I contact Mark Hartney?
An email address and a LinkedIn page are on file for Mark Hartney. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal