CMS Energy Corp.'s energy marketing unit, CMS Marketing, Services and Trading, hired David B. Geyer as v.p., risk management. Geyer's responsibilities include hedging, arbitrage and trading. CMS Generation Co.'s contract with Thailand's AMATA-EGCO Power Ltd., prompted the promotion of W. David Carni from operations superintendent to operations and maintenance plant manager.
Walter J. Gilbert, Volunteer Energy Corp. v.p., will head the company's newly opened office. Gilbert's added duties include special projects relating to gas acquisition, gas purchasing and marketing.
Utility Partners Inc. hired David Farbrother as CFO. Farbrother joins Utility Partners from International Computer Ltd. in England.
Frank Bentley replaces the retiring Bill Mowatt as president of the Pennsylvania Rural Electric Association, Allegheny Electric Cooperative, and Competitive Utility Services Corp.
Nevada Power Co.'s board of directors elected Sally Galati to v.p., distribution. Galati will be responsible for the construction, operation and maintenance of the company's distribution system.
Daniel Wm. Fessler, former president of the California Public Utilities Commission, has joined the law firm, LeBoeuf, Lamb, Greene & MacRae, L.L.P. Fessler will be part of the firm's Worldwide Energy Group.
Mountain Energy Inc. elected Jonathan H. Winer president. Winer replaces the retiring A. Norman Terreri.
Duke Power Co. elected Randy Broome to sales v.p. Broome also serves as the company's energy services general manager.
Martin C. Ruegsegger was promoted from corporate secretary to v.p., corporate counsel and secretary at Piedmont Natural Gas Co.