Mr. Rosinski is a Principal and Senior Advisor for Siltstone Capital. Mr. Rosinski has over 37 years of experience in energy financing, financial management and controls, planning and investor relations in energy and related industries. Prior to Siltstone Resources, Mr. Rosinski served as Executive Vice President, Chief Financial Officer and Treasurer of Rosetta Resources from July 2005 to November 2011, and was Corporate Secretary from July 2005 until August 2008.

Prior to that, Mr. Rosinski served as Senior Vice President and Chief Operating Officer of Municipal Energy Resources Corporation from 1997 to 2004. Previously, Mr. Rosinski held positions as Senior Vice President and Chief Financial Officer of Santa Fe Energy and held a number of positions of increasing responsibility at Tenneco. Mr. Rosinski holds an MBA from Tulane University and a Bachelor of Mechanical Engineering from Georgia Tech.