(NYSE:AMT) NEW YORK--(BUSINESS WIRE)--AmTrust Financial Services, Inc., (“AmTrust” or the “Company”), a global specialty property casualty insurer, today announced the appointment of Carl Canales as Executive Vice President (EVP), Head of Field Operations for North American P&C. In this role, Canales will oversee AmTrust’s Field Operations, including distribution strategy, revenue growth, underwriting and relationship management for AmTrust's commercial P&C products across the United States. “We’r