Leadership Team
Experienced. Accountable. Focused on the Future.
Together, they guide a family of companies united by a shared mission — to provide clean, reliable energy through innovation, integrity, and a steadfast commitment to doing the basics well.
Executive Leadership
Stephen Nelson
Chief Executive Officer, Longview Power
Stephen Nelson leads Longview Power and contributes strategic guidance to Mountain State Energy Holdings. With more than 40 years of experience in power plant operations and management, Mr. Nelson has overseen Longview’s transformation into one of the cleanest and most efficient coal-fired power facilities in North America. His leadership emphasizes operational excellence, workforce safety, and long-term environmental responsibility.
Randy Gillespie
Chief Commercial Officer, Longview Power
Chad Hufnagel
Chief Operating Officer, Longview Power
With more than 15 years in power generation, Chad Hufnagel manages the day-to-day operations of Longview Power’s 710 MW facility. His leadership in maintenance, reliability, and engineering has set new performance benchmarks for efficiency and safety.
Jeff Keffer
Chairman of the Board, Longview Power
A founding leader and longtime advocate for modern, clean energy solutions, Jeff Keffer now serves as Chairman of the Board. With over 30 years of experience in energy finance and project development, Mr. Keffer continues to guide MSEH’s strategic direction and investment priorities.
Michael Mooney, CPA
Chief Financial Officer, Longview Power
How We Lead
Leadership Philosophy
Our leaders believe in three simple principles:
Integrity in every decision
We operate with honesty, transparency, and accountability.
Innovation with purpose
Commitment to people
These principles define not only how we work, but why we work.
Governance & Responsibility
Our leadership works closely with local, state, and federal agencies to ensure every project aligns with the highest industry and ethical standards.

