Investor profile
Mary Ellen Zellerbach
Family Office, Private equity & Affiliated at Martin Investment Holdings
Mary Ellen Zellerbach is a family office investor and private equity investor at Martin Investment Holdings, whose known portfolio counts 2 companies.
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Investment focus
- Sector
- Healthcare
Contacts
Affiliated funds' portfolios
Affiliated at Martin Investment Holdings, whose known portfolio counts 2 companies
- BeneStream
- eRelevance Corporation
Investor Profile
Mary Ellen Zellerbach is listed against sector Healthcare, and focus area Healthcare Operations in the database.
Martin Investment Holdings appears in Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Mary Ellen Zellerbach is worth approaching.
Colleagues at Martin Investment Holdings
Frequently asked questions
Who is Mary Ellen Zellerbach?
Mary Ellen Zellerbach is a family office investor and private equity investor based in Green Bay, Wisconsin, United States, listed at Martin Investment Holdings. The known portfolio of that firm counts 2 companies. That portfolio belongs to the firm, not to Mary Ellen Zellerbach personally.
What does Mary Ellen Zellerbach invest in?
Listed sectors include Healthcare; listed focus areas include Healthcare Operations. 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 Mary Ellen Zellerbach invest at?
Martin Investment Holdings appears in Seed and Series A rounds across its known deals, and Mary Ellen Zellerbach is listed there. 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 Mary Ellen Zellerbach listed at?
Mary Ellen Zellerbach is listed at Martin Investment Holdings. One other person in the database shares a firm with Mary Ellen Zellerbach.
How do I contact Mary Ellen Zellerbach?
A LinkedIn page is on file for Mary Ellen Zellerbach. 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