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Lisa Stewart

Lisa Stewart

Director at Koloma; executive chairman and chief investment officer at Sheridan Production.

Director
Updated Nov 8, 2026·Latest SEC filing Oct 19, 2026·Suggest an edit

About Lisa Stewart

Lisa Stewart serves on Koloma's board. Koloma identifies and produces natural hydrogen in the United States and abroad. She is also Sheridan Production's executive chairman and chief investment officer, overseeing acquisitions and strategy.

Her oil and gas career spans more than 40 years. Before founding Sheridan, she was an El Paso Corporation executive vice president and ran El Paso E&P and other nonregulated businesses. She spent 20 years at Apache, leaving as executive vice president. Her responsibilities there included reservoir engineering, business development and land. She also handled environmental work, health and safety, and corporate purchasing. She earned a bachelor's degree in petroleum engineering from the University of Tulsa.

Experience

This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Lisa Stewart in the role, so the role may have started earlier or lasted longer.

Koloma, Inc. Current
Board of Directors
2022 – Present · Denver, CO
Koloma uses proprietary data and analytical tools to find and produce underground natural hydrogen.
Sheridan Production Current
Executive Chairman and Chief Investment Officer
El Paso Corporation
Executive Vice President
Apache
Executive Vice President

Key Colleagues at Startups

The people Lisa Stewart works with at each company, as listed on that company's latest Form D.

Koloma, Inc. · Form D/A, Oct 19, 2026
Peter Johnson
Peter Johnson
CEO & Founder, director
Duane Dickson
Duane Dickson
Board of Directors
Shayle Kann
Shayle Kann
Director
Christian Garcia
Christian Garcia
Board of Directors
Charles Griffie
Charles Griffie
Board of Directors

Sources

  1. SECKoloma, Inc. Form D/A, filed Oct 19, 2026
  2. P2About Koloma