FROM LASER SUPPLIER TO KING-SIZE CUSTOMER

Jon D. Tomkins is CEO and a director of KLA-Tencor Corp. of Mountain V iew, Calif., a leader in yield management and process monitoring syste ms for the semiconductor industry. He has a BS in electrical engineeri ng from the University of Washington and an MBA from Stanford Universi ty. After a brief stint at Hewlett-Packard Co., Tomkins joined Spectra -Physics in 1967 and soon moved into general management positions, fin ally serving as president and CEO from 1988 to 1990. In 1991 he joined Tencor Instruments as chairman, CEO and president, He assumed his cur rent position after the company's merger with KLA Instruments Corp. th is year. KLA-Tencor has annual sales of approximately $1 billion and e mploys more than 4000 people. It products include those used for wafer inspection, overlay registration, and linewidth and film-thickness me asurement.