Arthur R. Tenner is Engineering Practices Coordinator for the Exxon Research and Engineering Company, where he contributes to improving quality, productivity, and reliability of Exxon's operations worldwide. Mr. Tenner graduated from Cornell University with B.S. and M.S. degrees in mechanical engineering.
Irving J. DeToro is President of The Quality Network, Ltd., a consulting firm specializing in process management issues. Previously, he spent 23 years at Xerox Corporation, during which time he visited some of Japan's most successful businesses and helped develop Xerox's Leadership Through Quality initiative. He holds a B.S. in economics from The Wharton School and an M.B.A. from the University of Rochester.