Southwest Gas Corporation has announced that George Biehl will be retiring from the positions of executive vice president, CFO and corporate secretary, but said he will continue to assist the company with the transition of his responsibilities.

Assuming his position, Roy Centrella will be promoted to senior vice president and CFO. The company announced several other promotions related to Biehl's retirement, all effective Aug. 11:

Karen Haller will assume the title of vice president, general counsel, compliance officer, and corporate secretary.

Gregory Peterson will hold the title of vice president, controller, and chief accounting officer.

Edward Janov will assume the role of senior vice president of corporate development.

Kenneth Kenny, will be named vice president of finance and treasurer.

Laura Lopez Hobbs will be promoted to vice president of administration, which includes human resources, shareholder services, corporate administrative services, energy services, corporate communications, and corporate policies and procedures.

In other news, Southwest Gas recently elected A. Randall Thoman, a former partner of Deloitte & Touche, as a member of its board of directors. He also will serve on the audit and pension plan investment committees. Thoman's election increases the number of directors from twelve to thirteen.