J. Calvin Crowder PRESIDENT AND CHIEF EXECUTIVE OFFICER Justin M. Campbell Executive Vice PresidentChief Development Officer President Gridliance HEARTLAND Alison Zimlich Executive Vice PresidentChief Financial Officer Mark S. Laufman EXECUTIVE VICE PRESIDENTCHIEF LEGAL OFFICER AND SECRETARY Noman L. Williams SENIOR VICE PRESIDENTOPERATIONS AND ENGINEERING Richard Evans SENIOR VICE PRESIDENTCAPITAL EXECUTION Trent Carlson SENIOR VICE PRESIDENTREGULATORY & CORPORATE SERVICES Corporate Development Leadership Brett Hooton Presidentgridliance high plains Michael Landgraf PresidentGRIDLIANCE WEST