Andrew McMellin has been appointed as an underwriting director and business group leader at Catlin Underwriting Agencies Limited.
Catlin Underwriting, which manages Syndicate 2003 at Lloyd's, has appointed McMellin to oversee the professional liabilities business group.
McMellin will be responsible for professional liability insurance and non-marine general liability.
Catlin director Paul Brand said: "I am delighted to announce Andrew McMellin's appointment
"Andrew's knowledge of this business, combined with his professional skills, will help further Catlin's position as a leading underwriter of professional liability and other non-marine liability lines at Lloyd's."
Previously McMellin was a class underwriter for Catlin's non-marine liability business.
