# FLATROCK ENERGY ADVISORS, LLC

FLATROCK ENERGY ADVISORS, LLC of SAN ANTONIO, TX is an SEC exempt reporting adviser.

## Registration

- CRD: 161237
- Type: SEC exempt reporting adviser
- SEC file number: 802-74810
- Location: 1826 NORTH LOOP 1604 WEST SUITE 200, SAN ANTONIO, TX, 78248
- Phone: 210 494 6777
- Latest filing: 2026-03-30

## Officers, owners & control persons (25)

| Name | Role | Location |
| --- | --- | --- |
| [Douglas E Swanson](https://search.stillhousedata.com/person/268241) | MANAGER | Houston, TX |
| [Robert L Zorich](https://search.stillhousedata.com/person/379732) | MANAGER | Houston, TX |
| [David B Miller](https://search.stillhousedata.com/person/379733) | MANAGER | Dallas, TX |
| [D Martin Phillips](https://search.stillhousedata.com/person/379734) | MANAGER | Houston, TX |
| [Gary R Petersen](https://search.stillhousedata.com/person/379737) | MANAGER | Houston, TX |
| [William D Waldrip](https://search.stillhousedata.com/person/720338) | MANAGER; MANAGING PARTNER; MEMBER | — |
| [William Robert Lemmons](https://search.stillhousedata.com/person/720339) | MANAGER; MANAGING PARTNER; MEMBER | — |
| [Dennis F Jaggi](https://search.stillhousedata.com/person/720340) | MANAGER; MANAGING PARTNER; MEMBER | — |
| [Gregory Charles King](https://search.stillhousedata.com/person/720341) | MANAGER; MANAGING PARTNER | — |
| [David Joseph Kurtz](https://search.stillhousedata.com/person/720342) | MANAGER; MANAGING PARTNER | — |
| [Sam G Pitts](https://search.stillhousedata.com/person/720343) | MANAGER; MANAGING PARTNER | — |
| [Jason Matthew Delorenzo](https://search.stillhousedata.com/person/720344) | MANAGER | — |
| [MILLER THERESA B](https://search.stillhousedata.com/person/743969) | MANAGER OF ENCAP ENERGY INFRASTRUCTURE FUND GP, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND II GENERAL PARTNER, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND III GENERAL PARTNER, LLC | — |
| [PHILLIPS CHRISTOPHER MARTIN](https://search.stillhousedata.com/person/754686) | MANAGER OF ENCAP ENERGY INFRASTRUCTURE FUND GP, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND II GENERAL PARTNER, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND III GENERAL PARTNER, LLC (+1 more) | — |
| [KURTZ ANDREW JOSEPH](https://search.stillhousedata.com/person/768348) | MANAGER OF ENCAP FLATROCK MIDSTREAM FUND IV GENERAL PARTNER, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND V GENERAL PARTNER, LLC; MANAGING PARTNER | — |
| [KING CHARLES](https://search.stillhousedata.com/person/775254) | MANAGER OF ENCAP FLATROCK MIDSTREAM FUND IV GENERAL PARTNER, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND V GENERAL PARTNER, LLC; MANAGING PARTNER | — |
| [SWANSON MATTHEW E](https://search.stillhousedata.com/person/786848) | MANAGER OF ENCAP FLATROCK MIDSTREAM FUND IV GENERAL PARTNER LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND V GENERAL PARTNER, LLC | — |
| [PETERSEN GARY R](https://search.stillhousedata.com/person/888917) | MANAGER OF ENCAP ENERGY INFRASTRUCTURE FUND GP, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND II GENERAL PARTNER, LLC; MANAGER OF ENCAP FLATROCKMIDSTREAM FUND III GENERAL PARTNER, LLC | — |
| [ZORICH ROBERT L](https://search.stillhousedata.com/person/888918) | MANAGER OF ENCAP ENERGY INFRASTRUCTURE FUND GP, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND II GENERAL PARTNER, LLC; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND III GENERAL PARTNER, LLC (+1 more) | — |
| [WALDRIP WILLIAM D](https://search.stillhousedata.com/person/888920) | CLASS A LIMITED PARTNER OF EFM PARTNERS, LP; MANAGER OF ENCAP ENERGY INFRASTRUCTURE FUND GP, LLC; MANAGER OF ENCAP ENERGY MIDSTREAM FUND IV GENERAL PARTNER, LLC (+7 more) | — |
| [LEMMONS WILLIAM ROBERT](https://search.stillhousedata.com/person/888921) | CLASS A LIMITED PARTNER OF EFM PARTNERS, LP; EXECUTIVE VICE PRESIDENT; EXECUTIVE VICE PRESIDENT AND MEMBER (+7 more) | — |
| [JAGGI JANET F](https://search.stillhousedata.com/person/888922) | EXECUTIVE VICE PRESIDENT; MANAGER OF ENCAP ENERGY INFRASTRUCTURE FUND GP, LLC\`; MANAGER OF ENCAP FLATROCK MIDSTREAM FUND II GENERAL PARTNER, LLC (+3 more) | — |
| [DELORENZO JASON MATTHEW](https://search.stillhousedata.com/person/892874) | MANAGER OF ENCAP FLATROCK MIDSTREAM FUND V GENERAL PARTNER, LLC | — |
| [PITTS SAM G](https://search.stillhousedata.com/person/899589) | MANAGER OF ENCAP FLATROCK MIDSTREAM FUND V GENERAL PARTNER, LLC; MANAGING PARTNER | — |
| [Hurt Morriss](https://search.stillhousedata.com/person/905251) | MANAGING PARTNER | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/161237/brochure
- Similar advisers: https://search.stillhousedata.com/firm/161237/similar
- Related entities: https://search.stillhousedata.com/firm/161237/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/161237

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.