John Mass is an Investor at Content Partners, whose known portfolio counts 1 company.
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Investment focus
- Stage
- Late-Stage
- Sector
- Consumer
- Focus
- EntertainmentMedia
Contacts
Affiliated funds' portfolios
Investor at Content Partners, whose known portfolio counts 1 company
- Relativity Media
Investor Profile
John Mass is listed against sector Consumer, and focus areas Entertainment and Media in the database.
John Mass is listed for Late-Stage rounds in the database.
The firm portfolio and the focus above give founders context on whether John Mass matches their raise.
Colleagues at Content Partners
Frequently asked questions
Who is John Mass?
John Mass is a private equity investor based in Los Angeles, California, United States, listed as Investor at Content Partners. The known portfolio of that firm is one company. That portfolio belongs to the firm, not to John Mass personally.
What does John Mass invest in?
Listed sectors include Consumer; listed focus areas include Entertainment and Media. 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 John Mass invest at?
Content Partners is listed for Late-Stage rounds in the database, and John Mass is listed there as Investor. 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 John Mass listed at?
John Mass is listed as Investor at Content Partners. 4 other people in the database share a firm with John Mass.
How do I contact John Mass?
A LinkedIn page is on file for John Mass. 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