NEW YORK--(BUSINESS WIRE)--American International Group, Inc. (NYSE:AIG) announced today that Douglas A. Dachille, Chief Executive Officer of First Principles Capital Management, LLC (First Principles), will become Executive Vice President and Chief Investment Officer of AIG, succeeding William N. Dooley, Executive Vice President, Investments, who is retiring. Additionally, AIG is acquiring First Principles, a privately held investment management firm. The transaction is expected to close in th