Sheldon Lubar

Advisor

Mr. Lubar is the Founder and Chairman of Lubar & Co., a private investment and venture capital firm. He was Chairman and Chief Executive Officer of the Christiana Companies, Inc. until its merger with Weatherford International in February 1998. His public service included Commissioner of the White House Conference on Small Business, Assistant Secretary of HUD and Commissioner of the Federal Housing Administration, Director of the Federal National Mortgage Association, President of the Board of Regents of the University of Wisconsin System, and Trustee and acting Chairman of the State of Wisconsin Investment Board. Currently, Mr. Lubar is a Director of Star Gas L.P., Approach Resources Inc., Hallador Energy Inc. and various private companies.

Mr. Lubar holds degrees in Business Administration and Law from the University of Wisconsin-Madison and honorary doctorate degrees from the University of Wisconsin-Milwaukee, the University of Wisconsin-Madison and the Medical College of Wisconsin.