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Atmos Energy president/CEO to leave; EnLink Midstream chairman returns as CEO

S&P Global Market Intelligence presents a weekly rundown of recent executive management, board and regulatory changes in the energy industry. The moves are listed by sector in reverse chronological order.


* Lloyd Yates will step down as executive vice president of customer and delivery operations, as well as president of the Carolinas region, at Duke Energy Corp., effective Sept. 30. Julie Janson, executive vice president of external affairs and chief legal officer, will become president of the Carolinas region in addition to her role in external affairs, according to an Aug. 9 SEC filing.

* Spark Power Group Inc. announced the resignation of Don Morrison as a director, effective Aug. 7, for personal reasons.

* Gerwig Koch will step down as head of mergers and acquisitions at innogy SE by the middle of 2020. Koch's departure is at his own request, innogy said in an Aug. 7 statement.

* Talen Energy Corp. named CEO Ralph Alexander chairman of its board of directors. The independent power producer said Aug. 6 that it also expanded the CFO role with the appointment of Alejandro Hernandez as president and a board member.

* The U.S. Senate confirmed the nomination of William Kilbride to serve on the Tennessee Valley Authority board. He will be sworn in after presidential commissioning and other administrative matters, according to an Aug. 6 filing.

* Southern Co. said Aug. 6 that it appointed Todd Warren vice president and chief audit executive, effective Aug. 1.

* Patrick McCullough resigned as president, CEO and a director of Just Energy Group Inc., effective immediately. The company named R. Scott Gahn as the next president and CEO, according to an Aug. 5 news release. Gahn was Just Energy's COO for four years and has been on the board since December 2013.

Oil and gas utility/midstream

* Summit Midstream Partners LP said Aug. 9 that J. Heath Deneke was named president and CEO of Summit Midstream Partners LLC, effective Sept. 16. Deneke will also become a board member at the partnership's general partner Summit Midstream GP LLC. Deneke previously served as executive vice president, COO and a member of the office of the chairman at the energy midstream partnership Crestwood Equity Partners LP. In connection with the appointment, Leonard Mallett, who has been the interim president and CEO of the partnership since February, will continue to serve as COO. Summit Midstream Partners LLC beneficially owns a 41.8% limited partner interest in Summit Midstream and indirectly owns and controls Summit Midstream GP.

* Denise Clark McWatters will leave as senior vice president, general counsel, chief compliance officer and secretary of HollyFrontier Corp. and Holly Logistic Services LLC, effective Aug. 13, according to Aug. 9 SEC filings. Holly Logistic Services is the general partner of HEP Logistics Holdings LP, the general partner of Holly Energy Partners LP. HollyFrontier is the majority owner of Holly Energy Partners.

* Pason Systems Inc. appointed Laura Schwinn to its board of directors, effective Aug. 8.

* Western Midstream Partners LP named Michael Ure president and CEO and Craig Collins senior vice president and COO, effective Aug. 8. Ure and Collins succeeded Robin Fielder and Gennifer Kelly, respectively, in connection with Occidental Petroleum Corp.'s recently completed acquisition of Anadarko Petroleum Corp., according to an Aug. 8 news release. The partnership also named Occidental Senior Vice President Glenn Vangolen as chairman of the board, effective immediately, replacing Benjamin Fink. In addition, Marcia Backus, Peter Bennett, Oscar Brown, Jennifer Kirk and Ure were appointed to the board, replacing Daniel Brown, Robin Fielder, Robert Gwin, Mitchell Ingram and Amanda McMillian. Milton Carroll, the chairman of the special committee, elected to step down from the board.

* Gary Gould resigned from his positions of executive vice president and COO of EQT Corp., effective Aug. 7, according to a securities filing. Following Gould's departure, the company eliminated the role of COO.

* Atmos Energy Corp. said Mike Haefner will step down as president and CEO, effective Sept. 30, to focus on a "recent health issue." Haefner will retire from Atmos and its board Jan. 1, 2020, according to an Aug. 7 news release. He will be replaced by Kevin Akers, whose appointment as president, CEO and a board member will take effect Oct. 1. Akers is executive vice president of the company. Kim Cocklin, the company's former CEO, will remain executive chairman of the board.

* Keyera Corp. appointed Blair Goertzen to its board, effective immediately, the company announced in its second-quarter earnings release Aug. 6.

* EnLink Midstream LLC said Executive Chairman Barry Davis will reassume the role of CEO, effective Aug. 8, after Michael Garberding decided to step down to pursue other opportunities. Davis, who had served as EnLink CEO from 2014 to 2018, will keep his current role as chairman. In addition, Thomas Horton was appointed to the company's board, which now consists of nine directors. Horton is a partner at Global Infrastructure Partners.

* Independent oil and gas producers Amplify Energy Corp. and Midstates Petroleum Co. Inc. completed their all-stock merger of equals, creating an entity that will be headed by Amplify President and CEO Ken Mariani. The new company's board will comprise current Amplify and Midstates board members.

* Jesse Morris stepped down as executive vice president of finance and president of infrastructure solutions at Quanta Services Inc. to pursue another career opportunity. The resignation took effect July 31, according to an Aug. 6 SEC filing.