WTW appointed Victor De Jager as head of property for Europe. He led the global practice group for property at Allianz Global Corporate & Specialty. Joyce Sigler has been elected chair of the Network of Vertafore Users (NetVU). She is AVP, acquisitions and technology, for SeibertKeck Insurance Partners. NFP announced that John Stewart joined as senior vice president, surety leader, in Canada. He served at Allianz Trade in North America as senior underwriter. AmTrust Financial Services, Inc. announced that Jeff Duncan joined as executive vice president, commercial lines, further strengthening its executive team. He served at Liberty Mutual as chief underwriting officer. Omaha National Group, Inc. appointed Bryan Connolly as chief operating officer. He previously served at Mutual of Omaha and a Berkshire Hathaway insurer. Everest Reinsurance announced that Brent Hoffman joined as senior vice president, head of claims and chief operations officer. He served at AXA XL as chief claims officer. Related: People on the move in the P&C insurance industry: June 17, 2022