Kenneth L. Schroeder has been Chief Executive Officer and a Director of KLA-Tencor Corp. since July 1, 1999. Previously, he served as President and Chief Operating Officer of KLA-Tencor (formerly KLA Instruments Corp.) for nearly eight years. Before that, Mr. Schroeder held a variety of senior management positions at KLA Instruments and other companies, including Operations Manager for Hewlett-Packard's Computer Group and General Manager of the Construction Systems Division of Spectra-Physics. Mr. Schroeder holds a bachelor's degree in electrical engineering from the University of Wisconsin at Madison and a master's degree in business administration from the Wharton School of the University of Pennsylvania. In 1994 and 1995, VLSI Research named him a "Most Valuable Executive" in its annual list of outstanding contributors in the semiconductor capital equipment industry. In 1998, the University of Wisconsin also recognized Mr. Schroeder with the Distinguished Service Award from its College of Engineering. During his career, Mr. Schroeder has served on the boards of several companies, including Adept Technology, Photon Dynamics, Gasonics International (now part of Novellus Systems), KLA-Tencor, SEMI-SEMATECH and SEMI.