Biography

Mr. Dossey has served as Vice President of Marketing since February 2022. Prior to his current position with us, he served as our Director of Marketing from March 2021 to February 2022 and as our Oil Marketing Manager from September 2018 to March 2021. Before joining Diamondback, Mr. Dossey served as Senior Marketing Advisor and then Oil Marketing Manager for Concho Resources from November 2014 to September 2018. Prior to joining Concho, Mr. Dossey served in various leadership roles for Western Refining, Montana Refining Company, and Calumet Specialty Products Partners. Prior to joining Montana Refining Company, Mr. Dossey also worked in numerous commercial roles for Holly Corporation (now HF Sinclair), where he built the foundation of his marketing, business development, pipeline and logistics expertise. Mr. Dossey received his Bachelor of Business Administration degree in Management and a Master of Business Administration from Texas Tech University. He serves as a mentor for the Rawls College of Business Executive Mentor Program and on the Energy Commerce Advisory Council at Texas Tech University, and is an active member in various industry associations, such as the Natural Gas Society of the Permian Basin.