[1] Between 1995 and 2000 Badia was a founding president of the Association of Pilots and Aircraft Owners of Monaco (AOPA).

[1] In 2005-2007 Badia was an Ambassador Extraordinary and Plenipotentiary of His Serene Highness the Sovereign Prince of Monaco to His Majesty the King of Spain, and in 2007-2010 – an Ambassador Extraordinary and Plenipotentiary of His Serene Highness the Sovereign Prince of Monaco to His Majesty the King of the Belgians, Her Majesty the Queen of the Netherlands and His Royal Highness the Grand Duke of Luxembourg, as well as Head of the Mission of Monaco to the European Communities.

[1] In May 2011, he led a Monegasque delegation at United Nations Conference on Least developed countries (LDCs) in Istanbul.

[2] In November 2017, Badia lost his title of Minister Plenipotentiary as he chose to join Priority Monaco (Primo!)

[5] Badia is also a Deputy Head of the Delegation of Monaco at Organization for Security and Co-operation in Europe Parliamentary Assembly (OSCEPA).