$3 billion Odyssey Re Holdings Corp., a worldwide underwriter of property and casualty treaty reinsurance, has appointed Michael Wacek as executive vice president of global risk strategies, effective May 1. He will report to CEO Andrew Barnard.

Wacek has been with the company for eleven years, presently serving as executive vice president of OdysseyRe, and president and chief risk officer of Odyssey America, and heading up OdysseyRe’s Americas Division. Wacek’s new position will encompass and expand upon his current duties as Odyssey America’s chief risk officer and will include enterprise-wide responsibilities critical to ensuring consistent, effective risk management throughout OdysseyRe’s global operations.

Pending appointment of the new head of OdysseyRe’s Americas Division, Wacek will remain in his current role on an interim basis.