Investor profile
Marc Tarpenning
Angel, Operator angel & Advisor at Berkeley SkyDeck, Venture Partner at Spero Ventures
Marc Tarpenning is an angel investor and operator angel based in San Francisco, California, United States. The known portfolio counts 6 companies: Mast Reforestation, Tesla, Telo Trucks, Alta Motors, Artelize and Hylight.
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Investment focus
Contacts
Marc Tarpenning portfolio companies (6)
- Mast Reforestation
- Tesla
- Telo Trucks
- Alta Motors
- Artelize
- Hylight
Affiliated funds' portfolios
Advisor at Berkeley SkyDeck, whose known portfolio counts 24 companies
- Switch
- Rock Rabbit
- Vambe
- Prophecy.io
- VoiceBit
- Cyder
- Living Models
- NSS Water
- Zell
- Allos
- Oso Semiconductor
- SWITCH - Street WITCHer
- and 12 more
Venture Partner at Spero Ventures, whose known portfolio counts 11 companies
- Mast Reforestation
- Remark
- Confirm
- Euclid Power
- Aralez Bio
- Mobius Materials
- Persist AI
- Pickaxe
- Wattch
- Sora Fuel
- Corvus Robotics
Investor Profile
The listing covers sectors Climate, Education, Hardware and Healthcare, and focus areas Battery, Digital Health, EV and Electric Mobility. Startups operating in these areas may find Marc Tarpenning relevant.
Marc Tarpenning appears in Seed and Series A rounds across the known deals.
The portfolio and focus above give founders context on whether Marc Tarpenning matches their raise.
Colleagues
Showing 20 of 40
Adms Chung
Mentor
Mountain View, United States
Caroline Winnett
Executive Director
Berkeley, United States
Andy Smith
Advisor
Lafayette, United States
Chon Tang
Founding Partner
Berkeley, United States
Raymond McCauley
Advisor
Mountain View, United States
Andy Scott
Advisor
San Francisco, United States
Andrew Parker
General Partner
Waialua, United States
Brian Bordley
Partner
Berkeley, United States
Emmanuel Vallod
Advisor / Mentor
United States
Ranjit Pradhan
Digital Healthcare
San Jose, United States
Steve Felter
Advisor
Berkeley, United States
Clifford Tong
Angel investor
Alameda, United States
Jonathan Lowenhar
Venture Advisor
Brisbane, United States
Chandler Kowtko
Mentor
Los Angeles, United States
Ryan Flannery
Venture investor
San Francisco, United States
Yin Wei Cheng
SILICAN INC CEO & Co-founder/ Berkeley SkyDeck Batch 17
Berkeley, United States
Alan Leong
Co-Chair
Danville, United States
Grace Gong
Advisor
San Francisco, United States
Shripriya Mahesh
Founding Partner
Burlingame, United States
Sara Eshelman
Partner
Bellevue, United States
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Frequently asked questions
Who is Marc Tarpenning?
Marc Tarpenning is an angel investor and operator angel based in San Francisco, California, United States with 6 known investments on file, among them Mast Reforestation, Tesla and Telo Trucks. The sections above list the sectors, stages and firms attached to that record.
What does Marc Tarpenning invest in?
Listed sectors include Climate, Education, Hardware and Healthcare; listed focus areas include Battery, Digital Health, EV and Electric Mobility. 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 Marc Tarpenning invest at?
The known deals of Marc Tarpenning include Seed and Series A 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 Marc Tarpenning listed at?
Marc Tarpenning is listed as Advisor at Berkeley SkyDeck. 40 other people in the database share a firm with Marc Tarpenning.
How do I contact Marc Tarpenning?
An email address and a LinkedIn page are on file for Marc Tarpenning. 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