Hamilton Global Specialty, an underwriting platform of Hamilton Insurance Group, has appointed Niamh O’Brien as chief actuary. O’Brien reports to Wilfred Chin, who was recently promoted to group chief actuary at Hamilton. She has worked with the company since 2021, leading key actuarial reserving activities and providing advisory support as an actuarial consultant. O’Brien brings broad industry experience and knowledge, having spent over 20 years in senior actuarial roles, including with Catlin, Hiscox, W. R. Berkley, and Tokio Marine Kiln. Alex Baker, group chief risk officer at Hamilton, says: “[Niamh’s] exceptional skills and extensive experience with our company will significantly enhance our actuarial capabilities and support our strategic objectives.”
