ATLANTA--(BUSINESS WIRE)--JLT Specialty Insurance Services Inc. (JLT Specialty USA), a U.S. subsidiary of Jardine Lloyd Thompson Group plc. (JLT), one of the world’s leading specialty-focused providers of insurance, reinsurance and employee benefits related advice, brokerage and associated services, is pleased to announce the appointment of Joe Addison as Executive Vice President and member of the U.S. Executive Committee. Addison will be based in Atlanta where he will oversee the U.S. Entertai