Industry analysts said executives who might be considered include:<br />■ Gregory C. Case, the chief executive of Aon;<br />■ Brian Duperreault, the chief executive of Hamilton Insurance Group<br />and former top executive at the professional services firm Marsh & McLennan Companies;<br />■ Daniel S. Glaser, the chief executive of Marsh & McLennan;<br />■ Constantine Iordanou, the chief executive of the specialty insurer and reinsurer Arch Capital Group;<br />■ Michael S. McGavick, the chief executive of the insurer and reinsurer XL Group;<br />■ Steve McGill, the former president of Aon;<br />■ Thomas F. Motamed, the former chief executive of CNA Financial Corporation;<br />■ Peter Zaffino, the chief executive of the insurance broker and risk manager Marsh, which is part of Marsh & McLennan.<br />A. I.G.’s Chief Executive to Resign After Turnaround Setback -<br />By CHAD BRAYMARCH 9, 2017<br />Nearly nine years after the insurance giant American International Group peered into the abyss of the global financial<br />crisis, the latest in a long line of new chief executives will try to return it to its pre-crisis heights.