Micheal G. Dunn, former president of Questar Pipeline and executive vice president of Questar Corp., has been named to the new role of executive vice president and COO of The Williams Cos. Inc. (NYSE: WMB).

Dunn, who will report to Williams president and CEO Alan Armstrong, will focus on operations and long-term growth strategy.

“The Williams team has undertaken a thoughtful and comprehensive analysis of our end-state organizational design,” Armstrong said in a statement. “Mike’s appointment further streamlines our business in a way that aligns with our proven natural gas-focused strategy, and will allow us to even more rapidly adapt to evolving market conditions and demand.”

Before joining Questar, Dunn was president and CEO of PacifiCorp Energy, a multi-state regulated electric power generating company and subsidiary of Berkshire Hathaway Energy.

Dunn began his career with Williams as an operations engineer and spent 14 years with the company in a variety of technical and leadership roles. He graduated in 1988 from the University of Oklahoma with a bachelor’s degree in civil engineering, and is a registered professional engineer in the state of Oklahoma.