Lombard Odier Investment Managers has appointed Philip Chew to the newly created role of head of risk, operations and information technology. Chew joins from BlackRock Solutions where he was managing director for five years. For more than 14 years he led the building of risk reporting, research and portfolio management systems at BlackRock. Chew reports to Hubert Keller, a managing partner responsible for LOIM, and will be based in New York and then Geneva.