The Imperial House of Brazil and United World Leaders Form a Historic Union
New York — United World Leaders and the Casa Imperial do Brasil announce a union to co-host events and expand humanitarian initiatives. The Grand Chancellor of the Imperial House is welcomed as an Honorary Member.
About H.E. PhDr. Don Marco de Guadamillas y Cortés
H.E. Dr. Don Marco de Guadamillas y Cortés is Grand Chancellor of the Imperial House of Brazil (Casa Imperial do Brasil) and of its Dynastic and Religious Orders. The Imperial House traces its tradition of service to the reign of Emperor Dom Pedro II and, through its Orders, recognises merit, philanthropy and service to humanity.
He was welcomed as an Honorary Member of United World Leaders in September 2025, when the Imperial House of Brazil and United World Leaders announced a union to co-host international events, expand humanitarian initiatives and recognise Members of United World Leaders for service to humanity through the Royal Imperial Order Knighthood.
About United World Leaders
United World Leaders is an independent, nonpartisan nonprofit institution of former Presidents and Prime Ministers, ministers, ambassadors and leaders of enterprise and civil society, working to advance peace, international cooperation and socioeconomic prosperity. Members may lead Councils on the issues where they can contribute most, as Chairs or Co-Chairs.