[3] In the late 1920s and early 1930s Crown Prince Haile Selassie toured Europe and made diplomatic contacts with European governments.

During one of these trips, Crown Prince Haile Selassie had a prudent meeting at the Vatican with Ambaye, who was ready to be ordained as a Catholic priest.

At a crucial moment in Ethiopia's history, the Crown Prince noticed Ambaye's potential and recruited him to help build a modern government.

Realizing the opportunity to struggle for the liberation of Eritrea from Italian colonialism, Ambaye joined the Imperial Government of Ethiopia.

He worked closely with Blatengeta Lorenzo Taezaz (his schoolmate and mentor from the days at the Catholic seminary, in Keren) in international judicial matters.

In 1945 Dr. Ambaye Wolde Mariam, Ato Aklilu Habte-Wold and Blatta Ephrem Tewoldemedhen represented Ethiopia as delegates and signatories on various committees for the establishment of the United Nations.

It was his friend and next door neighbor, Ato Aklilu Habte-Wolde that persuaded him to stay the course In the early fifties, Dr. Ambaye started getting ill.