Liberty International Underwriters (LIU), a division of Liberty Mutual Group, has restructured its U.S. Specialty Casualty unit, juggling several key executives in the process.

"This restructure will strengthen LIU and prepare us for success well into the future," said David Cohen, president of LIU U.S. "I am excited to announce these important organizational improvements that reinforce LIU’s long-term commitment to this line. By tapping into the strong talent pool within LIU, we will continue to provide new and existing clients with the insurance protection they need backed by the financial strength of Liberty Mutual Group."

As a result of the restructure, the company also announced several staff changes. Carl Pursiano has been named chief underwriting officer, U.S. specialty casualty and senior vice president. In this role, Pursiano will oversee management liability and professional liability for LIU U.S.

Trevor Howard has been named senior vice president of U.S. management liability in charge of all management liability operations; Christopher DePuy has been named senior vice president in charge of lawyers professional liability (LPL) and accountants professional liability (APL); Georges Pigault has been named vice president of architects and engineers (A&E); Michael Auerbach has been named vice president of Allied Health and miscellaneous programs; Mark Blankenship joins LIU as assistant vice president of architects and engineers in Chicago, according to a statement.