Following his graduation from his overseas studies, Au Yeong returned to Singapore FA in 1988 and retired from national football duties in 1989.
He captained the Singapore national football team from 1981 to 1985 amassing more than 80 caps and 16 goals in total for the country from 1979 to 1989 tournaments.
Au Yeong was often referred to as Captain Courageous [7] with his hallmark leadership, motivation and communication skills on the field well acknowledged by the football fraternity.
[3] He was an extremely versatile and consistent player having performed well, as either a striker / midfielder / defender in major tournaments.
Au Yeong was also the team's penalty kicker having missed only 2 kicks in his entire football career.
After more than 25 years with Honeywell, Au Yeong joined Tridonic GmbH, a sister company of the Zumtobel Group in Dornbirn, Austria.
They met shortly after Karin arrived in Singapore for her foreign assignment in February 1990 and were married in November 1991.