As mentioned earlier, Concha had served as Colombian Ambassador to the US in 1902. He also served as Minister of Foreign Affairs during the administration of President Marco Fidel Suárez. In 1925, Concha is designated as Colombian Ambassador to Italy and later to the Vatican City in Rome, where he died. In one of his last statements he said: “I never violated the rights of people or parties, I was impartial and neutral in every political debate or election, I kept diplomatic and cordial relations with every nation and, I never placed the country at risk”.