Dean Liollio
Personal wealth note: Equibles reports source-backed professional activity and disclosed compensation; it does not estimate personal net worth.
About Dean Liollio
Dean Liollio is recorded as COO at Plains Gp Holdings LP (PAGP). Plains Gp Holdings LP reported in an 8-K filed September 29, 2026 that Dean Liollio was appointed Executive Vice President and Chief Operating Officer, effective October 2, 2026.
“On September 29, 2026, Plains All American Pipeline, L.P. (“PAA”) and Plains GP Holdings, L.P. (“PAGP” or the “Registrant”) announced the appointment, effective October 2, 2026, of Dean Liollio as Executive Vice President and Chief Operating Officer (“EVP and COO”) of Plains All American GP LLC, the general partner of PAA, and PAA GP Holdings LLC, the general partner of PAGP.”
Summary generated from SEC filings and earnings-call records held by Equibles.
Affiliation history
Recorded current and former roles; source labels appear when available.
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Current
2026-10-02–present
Company network
Recorded roles and call appearances connecting this person to public companies.
Leadership on record at Plains Gp Holdings LP
Other people whose current roles at this company are on record from its filings.
- Willie Chiang CEO
- Al Swanson CFO
- Richard K. McGee General Counsel
- Russ Montgomery Chief Accounting Officer
- Cynthia B. Taylor Board Member
- Ellen R. DeSanctis Board Member
- Kevin McCarthy Board Member
- Lawrence M. Ziemba Board Member
Recent activity
Earnings-call and investor-event appearances, plus filed executive appointments or departures, newest first.