Ronaldo Marques Sereno, also known as Ronaldo (born March 14, 1962, is a former Brazilian footballer who played as a forward. He was member of squad of 1981 FIFA World Youth Championship He played for Ulsan Hyundai of the South Korean K League, then known as Hyundai Horangi. Honours References Profile at Flamengo External links 1962 births Living people Brazilian footballers Brazilian expatriate footballers Brazil under-20 international footballers Brazil international footballers Association football midfielders Expatriate footballers in South Korea CR Flamengo footballers Ulsan Hyundai FC players K League 1 players Brazilian expatriate sportspeople in South Korea