Robert C. Bonner, senior partner of Sentinel HS Group LLC; John S. Chen (MS '79), chairman, chief executive officer, and president of Sybase Inc.; and Peter D. Kaufman, chairman and chief executive officer of Glenair Inc. have been elected to the Board of Trustees of the California Institute of Technology. Gil I. Elbaz (BS '91) has also been elected to the board as a Young Alumni Trustee. The announcement was made by Jean-Lou Chameau, president of Caltech.