An angel investor and operator angel based in Houston, Texas, United States, Tim Sullivan has one known investment, Geekatoo.
Is Tim Sullivan a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Focus
- Oil & Gas
Contacts
Tim Sullivan portfolio company (1)
- Geekatoo
Investor Profile
Founders in the listed sectors Climate and Energy, and focus area Oil & Gas will recognize the pattern in this portfolio.
The portfolio and focus above give founders context on whether Tim Sullivan matches their raise.
Similar investors
Showing 20 of 100
William Simmons
angel investor
Houston, United States
Christian Sullivan
Managing Partner
United States
Mark F. Thimmig
angel investor and operator angel
Houston, United States
Joel R. Warren
angel investor and operator angel
Austin, United States
Doug Wilkinson
angel investor
Houston, United States
Sudz Khawaja
angel investor
Houston, United States
Sean Carnahan
angel investor and operator angel
Houston, United States
John Reilly
angel investor
Norristown, United States
Murray Edwards
operator angel
Abilene, United States
Jon Morgan
Investor
Jupiter, United States
Ryan Walsh
Director
Houston, United States
Ron Rubbico
operator angel
Boston, United States
Amitav Misra
angel investor
Houston, United States
Jonathan Lin
angel investor
Austin, United States
Rishi Khosla
operator angel
London, United Kingdom
Artem Mariychin
venture capital investor
Miami Beach, United States
Tom Steyer
angel investor and operator angel
San Francisco, United States
Howard Wenger
operator angel
United States
Justin LaPoten
angel investor
Houston, United States
Harald Norvik
angel investor
Oslo, Norway
Frequently asked questions
Who is Tim Sullivan?
Tim Sullivan is an angel investor and operator angel based in Houston, Texas, United States with one known investment on file, Geekatoo. The sections above list the sectors attached to that record.
What does Tim Sullivan invest in?
Listed sectors include Climate and Energy; listed focus areas include Oil & Gas. 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.
How do I contact Tim Sullivan?
A LinkedIn page is on file for Tim Sullivan. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal