McArthur has a bachelor's degree in accounting from the University of Utah and an M.B.A. from the Harvard Graduate School of Business. He is also a Certified Public Accountant. Mr. McArthur recently joined CH2M Hill, an engineering company that provides consulting, design and operations services, as Executive Vice President and Chief Financial Officer. Prior to joining CH2M Hill, he worked more than 15 years for Harris Corporation, an international telecommunications equipment company, where he most recently served as Senior Vice President and Chief Financial Officer. Mr. McArthur has also been associated with Nextel Communications, Inc., Lehman Brothers, Inc. and Deloitte & Touche LLP and served on the boards of Terion Inc. and Live TV Co. Ltd.