Bermudian reinsurer Arch Capital Group (ACGL) has promoted Marc Grandisson to President & Chief Executive Officer (CEO), and to AGCL’s Board of Directors with effect from March 3rd, 2018.
Grandisson was promoted from a position as President and Chief Operating Officer (COO) of ACGL, which he had taken up on January 1st, 2016.
Prior to that role he acted as Chairman and CEO of Arch Worldwide Reinsurance and Mortgage Groups from 2005 to 2015. He was also Chairman and CEO of Arch Worldwide Mortgage Group from February 2014 to December 2015.
He replaces CEO Dinos Iordanou, who will remain as Chairman of the firm. Grandisson first joined Arch Reinsurance in 2001 as Chief Actuary and subsequently held leadership roles of increasing responsibility.
He is a Fellow of the Casualty Actuarial Society and a Member of the American Academy of Actuaries.





