Reid will be based in London and he will report to Richard Housley, chief underwriting officer for international insurance.
Prior to his appointment, Reid most recently held a director position at QBE for international liability, and he was a member of the executive management team for the international business.
Reid has over twenty years’ experience in the casualty market which has been gained across broking and underwriting, including both the company and Lloyd’s markets.
Additionally, he began his career with Willis before moving on to hold senior roles at ACE, Brit and QBE.
Julian James, CEO of international insurance at Sompo International, said: “Mike is the perfect fit for Sompo International; he is experienced, ambitious and entrepreneurial and joins us at a pivotal moment on our growth journey.
“Mike will have responsibility for building out our international casualty business, working across our operations outside of the U.S. to deliver solutions that meet the liability risks enterprises face today and to foster mutually beneficial relationships with our clients and brokers.”