New CEO at Lattice Semiconductor Lattice Semiconductor appointed Bruno Guilmart as the company's president and chief executive officer, effective July 7, 2008. Guilmart most recently has been CEO of the Unisem Group, a provider of semiconductor assembly and test services. Before joining Unisem, he served as President and CEO of Advanced Interconnect Technologies (AIT), a TPG company that was sold to Unisem in 2007. Prior to AIT, Guilmart was senior vice president for worldwide sales and marketing at Chartered Semiconductor Manufacturing. He also has held positions at Cadence Design Systems, Temic Semiconductor and Hewlett-Packard.