Mario Sica entered the Italian Foreign Service in 1962, serving in Asia, Australia, Europe, Africa. As Ambassador of Italy he served in Namibia, Somalia, at the OSCE in Vienna and in Egypt. He retired in 2004.
Dr Sica joined Scouting in Italy in 1947, serving in various capacities, including as International Commissioner. He was Group Scout Leader with a Swiss Group for Italian immigrants, 1978-1982. Currently a member of World Committee of ISGF (international organization of adult Scouts and Guides). Known worldwide as an editor and translator of Baden-Powell's works, he has contributed to magazines, conferences and seminars on the Scout method and Movement, Baden-Powell's thinking and the history of Scouting.