Mr. John J. Lipinski, also known as Jack, has more than 40 years of experience in the petroleum refining and nitrogen fertilizer industries. Mr. Lipinski currently serves as a Director of Sandridge Energy Inc. Mr. Lipinski served as Chief Executive Officer and President of CVR Energy, Inc. from 2007 until his retirement in December 2017. He also served as Chief Executive Officer and President of CVR Refining GP, LLC (general partner of CVR Refining, LP) from 2013 until 2017 and as Executive Chairman of CVR GP, LLC (general partner of CVR Partners, LP) from 2011 until 2017. He served as Chairman of CVR Energy, Inc. from late 2007 to mid-2012. Prior to the formation of CVR Energy, he served as Chief Executive Officer and President of Coffeyville Resources, LLC., a private equity acquisition by funds of Goldman Sachs and Kelso & Company. He began his career with Texaco Inc and joined the Coastal Corporation in 1985 eventually serving as Vice President of Refining with overall responsibility for Coastal Corporation’s refining and petrochemical operations. Upon the merger of Coastal with El Paso Corporation in 2001, Mr. Lipinski was promoted to Executive Vice President of Refining and Chemicals, where he was responsible for all refining, petrochemical, nitrogen based chemical processing and lubricant operations, as well as the corporate engineering and construction group. Mr. Lipinski left El Paso Corporation in 2002 and became an independent management consultant. In 2004 he became a Managing Director and Partner of Prudentia Energy, an advisory and management firm. Mr. Lipinski served as a Director at Cheniere Energy, Inc. from 2017 to 2018 and as a Director of Chesapeake Energy Corporation from 2014 to 2016. Mr. Lipinski graduated from Stevens Institute of Technology with a Bachelor of Chemical Engineering degree and received a Juris Doctor degree from Rutgers University School of Law.