Jonathan A. works as a Managing Partner at Rainier Partners. The firm's known portfolio counts 6 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Managing Partner at Rainier Partners, whose known portfolio counts 6 companies
- AppOnboard
- Mildang PT
- Primemas
- N-Dream
- Pet Food Express
- Wilmar
Investor Profile
Founders in the listed sectors Consumer and Education, and focus areas Business Services, Consumer Services, Data and Developer APIs fall inside that listing.
Stage-wise, the deals at Rainier Partners cluster around Late-Stage, Seed and Series B rounds.
What the affiliated firm has backed is the closest available signal on whether Jonathan A. is worth approaching.
Colleagues at Rainier Partners
Frequently asked questions
Who is Jonathan A.?
Jonathan A. is a private equity investor based in Seattle, Washington, United States, listed as Managing Partner at Rainier Partners. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to Jonathan A. personally.
What does Jonathan A. invest in?
Listed sectors include Consumer and Education; listed focus areas include Business Services, Consumer Services, Data and Developer APIs. 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 Jonathan A. invest at?
Rainier Partners appears in Late-Stage, Seed and Series B rounds across its known deals, and Jonathan A. 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 Jonathan A. listed at?
Jonathan A. is listed as Managing Partner at Rainier Partners. 3 other people in the database share a firm with Jonathan A.
How do I contact Jonathan A.?
An email address and a LinkedIn page are on file for Jonathan A. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds 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