Gallagher, a global insurance brokerage, risk management, and consulting firm, has appointed Alex Vullo and Mark Hubbard as Chief Executive Officers (CEOs) of Marine and Fine Art & Specie, and Property & Special Risks, respectively. Both appointments are within the broker’s Specialty division and will report to Sarah Lyons, CEO of Gallagher’s Specialty division. Vullo succeeds Jonathan Suckling, who will transition as Chairman from January 2027.