Westchester, the excess and surplus lines insurance division of Chubb in North America, has appointed Jason Neu as senior vice president of professional risk.

Neu succeeds Joe Casey, who assumed the role of complex and strategic risk officer. Neu will lead efforts to deliver directors and officers, errors and omissions, cyber, long-term care and allied medical products throughout the U.S. marketplace.

Most recently, Neu was a senior vice president and financial lines manager at Chubb Small Commercial Insurance.