Robert Frenzel

Presently, Robert C. Frenzel is President & Chief Operating Officer at Xcel Energy, Inc. and Chief Operating Officer, Director & Executive VP at Public Service Company of Colorado, Chief Operating Officer, Director & Executive VP at Northern States Power Co. and Chief Financial Officer, Director & Executive VP at Southwestern Public Service Co. (which are all subsidiaries of Xcel Energy, Inc.). Mr. Frenzel is also on the board of Patterson Cos., Inc. In his past career Robert C. Frenzel occupied the position of Vice President-Investment Banking Division at The Goldman Sachs Group, Inc., Chief Financial Officer, Director & Executive VP at Northern States Power Co. (Wisconsin), Chief Financial Officer, Director & Executive VP at Northern States Power Co., Chief Financial Officer & Senior Vice President of Luminant Holding Co. LLC, Manager & Senior Consultant at Arthur Andersen LLP, Principal at United States Navy (District of Columbia) and SVP-Corporate Development, Strategy, M&A at Energy Future Holdings Corp. Mr. Frenzel received an undergraduate degree from Georgia Institute of Technology, an MBA from The University of Chicago Booth School of Business and an undergraduate degree from Nuclear Power School.