Marshall Soper is a private equity investor based in Houston, Texas, United States.
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Investment focus
- Stage
- Late-Stage
- Sector
- Climate
- Focus
- Oil & GasPrivate CreditUpstream
Contacts
Affiliated funds' portfolios
Investor at Cibolo Energy Partners
Investor Profile
Marshall Soper is listed against sector Climate, and focus areas Oil & Gas, Private Credit and Upstream in the database.
The stage tag on this profile is Late-Stage.
The focus and stage tags above are the fastest way to judge whether Marshall Soper is worth approaching.
Colleagues at Cibolo Energy Partners
Frequently asked questions
Who is Marshall Soper?
Marshall Soper is a private equity investor based in Houston, Texas, United States, with no investments on file. This page carries what the database holds on that profile: investor type, sectors, focus areas, stages and the firms the profile is attached to.
What does Marshall Soper invest in?
Listed sectors include Climate; listed focus areas include Oil & Gas, Private Credit and Upstream. 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 Marshall Soper invest at?
The database lists Marshall Soper for Late-Stage rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Marshall Soper?
An email address, a phone number and a LinkedIn page are on file for Marshall Soper. 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