Mr. Zoeller has been our Vice President and Chief Accounting Officer since April 2020. From August 2018 to March 2020, Mr. Zoeller served as Vice President and Corporate Controller. With over 19 years of public accounting experience, Mr. Zoeller previously was an audit partner with KPMG in its Houston office, where he was responsible for clients in the chemicals, oilfield services and oil/gas exploration and production industries. Mr. Zoeller, a Certified Public Accountant, began his career with Arthur Andersen LLP in 1998. He holds bachelor’s and master’s degrees in accounting from the University of Mississippi.