Ronald A. Ballschmiede
SemGroup Corporation
Board of Directors
Ronald A. Ballschmiede has served as a director of SemGroup® Corporation since November 2009, pursuant to the SemGroup plan of reorganization. He currently serves as chairman of the Board’s Audit Committee. Since 2006, Ballschmiede has served as executive vice president and chief financial officer of Chicago Bridge & Iron Co. N.V. (“CB&I”), a leading engineering, procurement and construction company that focuses on the energy and natural resource industry. Prior to joining CB&I, he had a 29-year career in public accounting, primarily focused on serving public companies in the manufacturing and construction industry. From 2002 until 2006, Ballschmiede served as a partner with Deloitte & Touche LLP. From 1977 to 2002, he was employed by Arthur Andersen, LLP, becoming a partner in its audit division in 1989. Ballschmiede graduated from Northern Illinois University with a bachelor of science degree in accounting and is a certified public accountant.
Ballschmiede provides the Board with extensive accounting and financial expertise gained from his service as executive vice president and chief financial officer of CB&I and his prior experience as a partner of Deloitte & Touche LLP and Arthur Andersen, LLP. His experience and knowledge make him a valuable contributor of financial, accounting and risk management expertise to the Board. Ballschmiede qualifies as an “audit committee financial expert” as defined by the SEC.