International Rectifier announced the appointment of Tim Phillips as Vice President, Enterprise Power Business Unit. He will be responsible for product development, systems applications engineering and product marketing for IR's computing and communications product lines including DC-DC ICs, DirectFET MOSFETs, SupIRBuck integrated voltage regulators and iPOWIR power stage products. Phillips previously held positions at Cherry Semiconductor before joining IR in 2001 as Director of Applications and Business Development. He advanced to Executive Director, Sector Marketing and Field Application Engineers for the Computing & Communications Business Unit and was later promoted to Vice President, Corporate Marketing and Investor Relations. He became Vice President for the Enterprise Power Business Unit in April 2007 and briefly served as Vice President of Infineon's Industrial and Multi-market business in 2008.