Tim Sinks is a Managing Partner at Massmutual, whose known portfolio counts 16 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Managing Partner at Massmutual, whose known portfolio counts 16 companies
- Bitwise
- Empathy
- Goalsetter
- Florrent
- CareAcademy
- Low Carbon
- Dock Health
- Genomics
- Surround Insurance
- OCHO
- Onc.AI
- Reframe Systems
- and 4 more
Investor Profile
The listing covers sectors AI, Climate, FinTech and Healthcare, and focus areas Biotech, Clean Energy, Digital Health and Genomics. Startups operating in these areas may find Tim Sinks relevant.
Massmutual appears in Growth, Seed and Series A rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Tim Sinks matches their raise.
Colleagues at Massmutual
Liz Roberts
Investor
Northampton, United States
Luke Beltnick
Head of Credit Special Situations and Workouts
Boston, United States
Al Sosa
Managing Partner
Raleigh, United States
Jason Allen
Head of MassMutual Catalyst Funds
Boston, United States
Chris Marshall
Investor
Glen Allen, United States
Diane Henry
Head of Impact Investment Funds
United States
Brad Gramm
Investor
Glen Allen, United States
Khoa Nguyen
Vice President
Westminster, United States
Katie Shea
Assistant Vice President, Policyowner & Investor Relations
Wilbraham, United States
Renee Hitchcock
CFO & Treasurer of the MassMutual Funds
Springfield, United States
Frequently asked questions
Who is Tim Sinks?
Tim Sinks is a corporate venture investor and private equity investor based in Brentwood, Tennessee, United States, listed as Managing Partner at Massmutual. The known portfolio of that firm counts 16 companies. That portfolio belongs to the firm, not to Tim Sinks personally.
What does Tim Sinks invest in?
Listed sectors include AI, Climate, FinTech and Healthcare; listed focus areas include Biotech, Clean Energy, Digital Health and Genomics. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Tim Sinks invest at?
Massmutual appears in Growth, Seed and Series A rounds across its known deals, and Tim Sinks is listed there as Managing Partner. 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 Tim Sinks listed at?
Tim Sinks is listed as Managing Partner at Massmutual. 10 other people in the database share a firm with Tim Sinks.
How do I contact Tim Sinks?
An email address, a phone number and a LinkedIn page are on file for Tim Sinks. 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