After graduating from Niagara Falls High School in 1946, Sdao attended the Erie County and Niagara County Police Academies. In 1950, his love of airplanes influenced him to join the United States Air Force Reserves during the Korean War. Sdao continued his public service as a patrolman with the Niagara Frontier State Park Police, the Patrol Deputy and Road Sergeant for the Niagara County Sherriff’s Department and was later appointed the Police Commissioner of the Town/Village of Lewiston. He joined the Security Department at NCCC in 1973, eventually becoming the college’s senior security officer in 1988. During his time in the security department at NCCC, Sdao considered one of his most important assignments to be that of mentor to the students.