
Global affiliate network gathers in Lisbon to share insights on the latest trends in luxury real estate and the client experience. CHICAGO and LISBON, Portugal, July 7, 2026 /PRNewswire/ -- Christie's International Real Estate held its annual Owners Summit June 21-23 in Lisbon, Portugal, bringing together representatives from more than 40 countries and territories including the United States, the United Kingdom, Australia, Dubai , Germany, Italy and Switzerland.










