Greg Waldorf is an angel investor and operator angel based in Menlo Park, California, United States with 11 known investments: Overtime, Nomad, InDebted, ByteChek, Backflip, Plateaumed, Rubik, Aalto, Esusu Financial, Lyra Collective and Backflip (Seed).
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Investment focus
- Stage
- Seed
Contacts
Greg Waldorf portfolio companies (11)
- Overtime
- Nomad
- InDebted
- ByteChek
- Backflip
- Plateaumed
- Rubik
- Aalto
- Esusu Financial
- Lyra Collective
- Backflip (Seed)
Affiliated funds' portfolios
Senior Advisor at Sixth Street, whose known portfolio counts 14 companies
- Clio
- Affirm
- Crunch Fitness
- nChroma Bio
- Beam Therapeutics
- San Francisco Giants
- Awardco
- FirstLight
- Gravitee
- Northwind Midstream Partners
- Bourque Logistics
- Essential Pharma Group
- and 2 more
Investor Profile
Founders in the listed sectors Education, FinTech and SaaS, and focus areas Cybersecurity, EdTech, Higher Ed and Lending will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Seed rounds.
The portfolio and focus above give founders context on whether Greg Waldorf matches their raise.
Colleagues at Sixth Street
Showing 20 of 32
Sean Mendy
Entrepreneur In Residence
United States
Michael Bauer
Managing Director
New York, United States
Hurley H. Doddy
Independent Director
Washington, United States
Alexander Katz
Managing Director
New York City, United States
Bornah Moghbel
Co-Founder & Partner
San Francisco, United States
Josh Empson
Partner - Sports, Media & Entertainment
San Francisco, United States
Zack Winegrad
Partner
Houston, United States
Christopher Perron
Vice President
San Francisco, United States
Alvaro Baena
Managing Director
London, United Kingdom
Mike Griffin
Partner
London, United Kingdom
Ryan Sauer
Managing Director
Houston, United States
Alden Mutchnik
Vice President
Houston, United States
Bryan Walker
Partner
United States
Adam Korn
Chief Operating Officer
New York, United States
Tom Brennan
Vice President
New York, United States
Henry Davies
Managing Director
London, United Kingdom
Alex Kneapler
Managing Director
San Francisco, United States
Kayvan Heravi
Partner & Co-Head of Consumer
Larkspur, United States
Richard Sberlati
Partner
New York, United States
Florian Krause
Principal
United Kingdom
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Frequently asked questions
Who is Greg Waldorf?
Greg Waldorf is an angel investor and operator angel based in Menlo Park, California, United States with 11 known investments on file, among them Overtime, Nomad and InDebted. The sections above list the sectors, stages and firms attached to that record.
What does Greg Waldorf invest in?
Listed sectors include Education, FinTech and SaaS; listed focus areas include Cybersecurity, EdTech, Higher Ed and Lending. 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 Greg Waldorf invest at?
The known deals of Greg Waldorf include Seed 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 Greg Waldorf listed at?
Greg Waldorf is listed as Senior Advisor at Sixth Street. 32 other people in the database share a firm with Greg Waldorf.
How do I contact Greg Waldorf?
An email address, a phone number and a LinkedIn page are on file for Greg Waldorf. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal