Isaiah Sullivan is a Principal at Crestview Partners, whose known portfolio counts 10 companies.
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Investment focus
- Stage
- Late-StageSeed
Contacts
Affiliated funds' portfolios
Principal at Crestview Partners, whose known portfolio counts 10 companies
- Fidelis Insurance
- Framestore
- Saber Interactive
- Upwell Water
- Congruex
- Digicomm International
- ICM Partners
- Modern Wealth Management
- The Gersh Agency
- WideOpenWest
Investor Profile
Founders in the listed sectors Consumer, FinTech, Hardware and Healthcare, and focus areas Asset Management, Automotive, Cloud Infrastructure and Entertainment fall inside that listing.
Stage-wise, the deals at Crestview Partners cluster around Late-Stage and Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Isaiah Sullivan is worth approaching.
Colleagues at Crestview Partners
Mark Patricof
Senior Advisor
New York, United States
Dan Kilpatrick
Partner
New York, United States
Robert Delaney
Partner
New York, United States
Lindsay Levey
Principal
New York, United States
Richard DeMartini
Partner
Bronxville, United States
Eric Dober
Vice President
New York, United States
Bradford Williams
Principal
New York, United States
Frequently asked questions
Who is Isaiah Sullivan?
Isaiah Sullivan is a private equity investor based in New York, United States, listed as Principal at Crestview Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Isaiah Sullivan personally.
What does Isaiah Sullivan invest in?
Listed sectors include Consumer, FinTech, Hardware and Healthcare; listed focus areas include Asset Management, Automotive, Cloud Infrastructure and Entertainment. 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 Isaiah Sullivan invest at?
Crestview Partners appears in Late-Stage and Seed rounds across its known deals, and Isaiah Sullivan is listed there as Principal. 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 Isaiah Sullivan listed at?
Isaiah Sullivan is listed as Principal at Crestview Partners. 7 other people in the database share a firm with Isaiah Sullivan.
How do I contact Isaiah Sullivan?
A LinkedIn page is on file for Isaiah Sullivan. It is readable inside RaiseHunt after you create an account. The database holds no email address and 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