Cornerstone Natural Resources 

Eric P. Lipinski

President

Mr. Lipinski has over 35 years of experience in the oil and gas industry. Prior to joining Cornerstone in 2008 he served as Vice President of Geology at Saga Petroleum in Denver and Geological Advisor to Newfield Rocky Mountains. Mr. Lipinski held various positions at Patina Oil & Gas, including Geologic Manager & Senior Geologist until 2005 when the company was sold to Noble Energy. Mr. Lipinski holds a B.A. degree in Geology from Western State College of Colorado.

Charlie Willard:   cwillard@csnrcolo.com
Operations Manager
Mr. Willard has over 35 years experience in the oil and gas industry. Prior to joining Cornerstone in 2019, Mr. Willard held various management and consulting positions providng expertise in production operations, workovers and drilling for multiple US and International energy companies. Mr. Willard holds a B.A degree from the University of Wyoming.
Sarah Garrett:   sgarrett@csnrcolo.com
Landman
Ms. Garrett has over 15 years experience in the oil and gas industry. Prior to joining Cornerstone, Ms. Garrett held several land positions at PDC Energy, most recently as Senior Regional Landman. Ms. Garrett holds a B.S. from College of Charleston, Charleston, SC and and an MBA from Regis University, Denver, CO and is a CPL with the American Association of Professional Landmen.
Vanya Hecht:   vhecht@csnrcolo.com
Controller / Accounting Manager
Ms. Hecht has over 20 years of experience in the oil and gas accounting field. Prior to joining Cornerstone, Ms. Hecht served as the Manager of Revenue & Royalty Compliance for Denver based Bill Barrett Corporation and  held several accounting positions at PricewaterhouseCoopers in Houston, TX.  Ms. Hecht holds a Bachelors in Business Administration-Finance from Texas Tech University.