Arch Capital Group Ltd. (NASDAQ:ACGL) ("Arch" or the "Company"), a leading provider of insurance, reinsurance and mortgage insurance globally, today announced the expansion of Maamoun Rajeh's role as President. Rajeh, who most recently oversaw Arch's Reinsurance and Mortgage segments, will also take on responsibility for Arch's Insurance segment as the Company moves forward under a single President model. Rajeh will continue to report to Chief Executive Officer Nicolas Papadopoulo.

David Gansberg is stepping down from his role as a President of Arch and departing the company following a distinguished tenure, having played an important role in building the organization to its current position.