O.C. NEWSMAKERS : Hagihara Named Account Executive for GreenLight Communications

* Ken Hagihara has joined GreenLight Communications in Newport Beach as a public relations account executive. He was formerly senior public information representative for UC Irvine.

* Michele Jones has joined the Newport Beach office of Marsh Inc., an insurance broker and risk advisor. She was formerly managing senior vice president for John Burnham and Co.

* Ricardo De Santiago has been named employment manager for the Hilton Waterfront Beach Resort in Huntington Beach. He had been executive steward for the hotel for seven years. He also assisted the human resources department by conducting Spanish orientation programs. Noel Vasin has joined the hotel as catering sales manager. She was previously catering coordinator for the San Francisco Hilton and Towers.

* Robert Aponte and Eric Neumann have been named sales managers for Irvine-based Catellus Residential Group’s homes at the Talega golf community in San Clemente. Aponte is sales manager for the Terra Linda neighborhood and Neumann is sales manager for the San Rafael neighborhood. Aponte was formerly a sales representative for Taylor Woodrow Homes. Neumann was a sales manager with Vintage Communities.

* Ted Davidson, president of Robert F. Driver Associates in Newport Beach, has been named chief executive and managing executive. Gordon DesCombes moved up to president. Davidson was a founder of the Newport Beach office 22 years ago. DesCombes, who joined the company in 1986, most recently was vice president.