W. R. Berkley Corp. named Melissa Emmendorfer senior vice president of insurance risk management, Jonathan Schriber senior vice president of underwriting, and Mir Mazhar senior vice president and chief project officer.

Previously, Emmendorfer was W. R. Berkley's vice president of insurance risk management. Schriber was previously W. R. Berkley's reinsurance segment chief underwriting officer. Mazhar is a member of the Project Management Institute.