American International Group Inc. has appointed David McElroy president and CEO of the North American operations of general insurance.

In connection with the change, Lou Levinson succeeds McElroy as president and CEO of Lexington Insurance Co.

McElroy will continue to oversee Lexington, AIG Risk Management, financial lines, Validus Specialty, Western World, Glatfelter and programs. Levinson will be in charge of the ongoing repositioning of Lexington and its new strategy for the excess and surplus lines.