The appointment is effective July 1 when, as previously announced, Peter Enns, Executive Vice President, Finance, Chubb Group, will succeed Philip Bancroft as Chief Financial Officer upon his retirement.
In his new role, Mark Hammond will assist Peter Enns on operational and strategic matters.
Mark Hammond has more than 30 years of experience in insurance and public accounting. He has served as Treasurer since 2019.
Previously, he was Executive Vice President and Chief Financial Officer for the company's Europe and Eurasia & Africa regions.
From 2012 to 2016, when the company was named ACE, he was Chief Financial Officer, European Group. Mark Hammond joined the company's Combined Insurance business in Chicago in 2009, where he served as Executive Vice President, Chief Financial Officer.
Prior to joining ACE, Hammond held a series of leadership roles within the insurance industry and, before that, spent more than 15 years in the public accounting sector where he was an audit partner with Deloitte, serving clients in its insurance practice.