Liam joined White Mountains in 2022. Prior to White Mountains, Liam served as CEO of Aon’s Global Affinity business. Liam joined Aon in 2012 as Chief Financial Officer of Aon Risk Solutions America and was later appointed CFO of Aon Risk Solutions globally. Prior to joining Aon, Liam served as a principal at McKinsey & Company and worked as an engineer for General Motors. Liam is an alumnus of Harvard Law School and the University of Michigan.