WPX ENERGY INC.

Tulsa, Oklahoma
January 2012 to August 2014
Manager – State & International Tax – Responsible for state income and transaction tax controversy, compliance, planning and ASC740.  Oversight responsibility for US tax matters related to foreign investment.

THE WILLIAMS COMPANIES, INC.

Tulsa, Oklahoma
March 1992 to December 2011
Manager – State Tax – Manage audits, appeals, and litigation for state income and franchise taxes.

HILTI, INC.

Tulsa, Oklahoma
March 1986 to March 1992
Director, Taxes & Assistant Secretary – Responsible for tax matters in the United States (federal and all 50 states) and Puerto Rico. Oversight responsibility for tax matters in Canada.

COTTON PETROLEUM CORPORATION

Tulsa, Oklahoma
March 1984 to March 1986
Tax Manager – Responsible for tax matters in the United States (federal and 15 states) and Canada.

CITIES SERVICE COMPANY

Tulsa, Oklahoma
November 1979 to March 1984
Tax Manager – Responsible for various windfall profit tax matters.
Tax Systems Manager – Responsible for coordinating the development and maintenance of tax related computer systems.

PRICE WATERHOUSE & CO.

Chicago, Illinois
April 1974 to October 1979
Tax Manager – Attached to the International Tax Section of the Chicago office, concentrating in the U.S. taxation of international operations.