Koichi Sugiyama
A former player at hometown club Albirex Niigata, Okuyama coached youth teams of Albirex after his playing career ended, and also coached the Albirex Niigata Ladies for four years. He was appointed at Albirex's satellite team in Singapore from 2014, succeeding Koichi Sugiyama. Okuyama was Sugiyama's assistant during the 2013 season.