Derek S. Reiners

Derek Reiners is senior vice president, finance, and treasurer of ONEOK.

He previously served as senior vice president, chief financial officer and treasurer, after serving as senior vice president and chief accounting officer, since joining the company in 2009. 

Previously, he worked for Grant Thornton LLP in Tulsa and Dallas, Texas, where he was a partner and served as the north Texas energy industry practice leader.  He also worked for Arthur Andersen LLP in various roles with increasing levels of responsibility.

A certified public accountant and a member of the American Institute of Certified Public Accountants, Reiners earned a Bachelor of Science degree in business administration in 1993 from Oklahoma State University in Stillwater with majors in finance and economics.  He earned a master’s degree in accounting in 1999 from Oklahoma State University.