On Monday, Hamilton Insurance Group, announced that William Thygeson has been appointed to the position of chief operating officer of Hamilton USA

Thygeson joins Hamilton USA from American International Group here he held a number of executive-level positions in the US and Japan, most recently as Senior Vice President and Deputy Business Transformation Officer in AIG’s New York office.

Hamilton Insurance Group is the Bermuda-based holding company for property/casualty reinsurer Hamilton Re; Hamilton USA is the banner under which the group’s U.S. operations are being developed.

Prior to joining AIG, Thygeson worked at MBNA America Bank, N.A. (from 2001-2005). There, he oversaw targeted marketing strategies that realized distribution efficiencies and bottom-line profit.

He holds an MBA from The Wharton School of the University of Pennsylvania and a Bachelor of Arts degree in Economics and Business from Lafayette College in Easton, Pa.