American International Group, Inc. announced that Tom Bolt has been named Executive Vice President and Chief Risk Officer, AIG, effective immediately. Mr. Bolt replaces Sabra Purtill, who was recently named Executive Vice President and Chief Investment Officer for AIG's Life & Retirement business. Mr. Bolt will report to Peter Zaffino, Chairman & Chief Executive Officer, AIG, and has joined the AIG Executive Leadership Team.

In addition, Kean Driscoll, 48, has been named Chief Underwriting Officer, General Insurance, effective immediately, and will report to David McElroy, Executive Vice President and Chief Executive Officer, General Insurance. Since 2019, Mr. Driscoll has served as Global Chief Underwriting Officer, Property/Agriculture, as well as Global Head of Reinsurance Strategy, General Insurance, since 2020. Mr. Bolt has served as Chief Underwriting Officer, General Insurance, since 2018.

He joined AIG from Berkshire Hathaway Specialty Insurance, where he was President and CEO of the U.K. and Southern Europe, and a member of Berkshire Hathaway International Insurance Ltd.'s Board of Directors. Prior to that, Mr. Bolt was Director of Performance Management at Lloyd's of London and Managing Director of Marlborough Managing Agency at Lloyd's. Before joining Lloyd's, he spent 25 years at Berkshire Hathaway in a variety of senior executive roles. Mr. Bolt holds a M.M. in Marketing and Finance and a B.A. in English Literature and Economics from Northwestern University.

Mr. Driscoll has served as Global Head of Reinsurance Strategy, General Insurance, since 2020 and Global Chief Underwriting Officer, Property/Agriculture, General Insurance, since 2019. He was a founding member of Validus and served as Chief Executive Officer of Validus Re from 2012 until he joined the AIG General Insurance Chief Underwriting Office in 2019. He has more than 25 years of experience as a reinsurance underwriter, and previously held leadership roles with Quanta Re and Zurich Re N.A. (Converium).

Driscoll holds a B.A. in Literature from Colgate University and an MBA from Columbia University, where he graduated with honors.