Mr. Unrein has served as Senior Vice President, Sales and Marketing for Patterson-UTI since January 2023. Mr. Unrein began his career with Patterson-UTI Drilling in 2005 working on a rig in the DJ Basin of Colorado, In 2008, Mr. Unrein moved into sales where he served in various roles in the Ark-La-Tex region before being promoted to Vice President of Sales & Marketing for South Texas based in Houston. In 2017, Mr. Unrein moved to Universal Pressure Pumping where he served in various roles, including Senior Vice President of Sales & Marketing. Mr. Unrein graduated from the University of Northern Colorado with a B.A. in Economics.