Ronald Kolf

In 2003, Kolf took over as manager of S.V. Leo Victor, winning the Surinamese Cup and the Suriname President's Cup in his first year with the club. In 2008, he became the technical director for the club. In 2013 Kolf was made the technical director of the Suriname national football team.

In 1976, Kolf was the assistant to Walther Braithwaite for Suriname's 1978 FIFA World Cup qualifying campaign. In 2000 Kolf took over as the manager of the national team after 31 years at the helm of Robinhood, for the country's 2002 FIFA World Cup qualifying campaign where they were eliminated by Cuba. He also helped Suriname the final stages of the 2001 Caribbean Cup.

As manager of Transvaal, Kolf led the team to consecutive national titles in 1967 and 1968, before taking over the manager position of S.V. Robinhood. Kolf successfully led the club to 13 national titles, making it to the finals of the CONCACAF Champions' Cup on five occasions, namely in 1972, 1976, 1977, 1982 and 1983.

In 1965, Kolf relocated to Moengo, taking a teaching position at a school, where he joined local club Concordia, taking his first managerial role while also playing as a player. After two seasons, Kolf returned to Paramaribo joining S.V. Transvaal as a player-youth coach.

Kolf joined S.V. Transvaal in 1962 where he played for three seasons winning the national title in 1962 and 1965.

In 1958, Kolf made his Hoofdklasse debut in the first team of Robinhood. He would play with the team for three seasons winning the national title twice in 1959 and 1961. In 1962 Kolf parted ways with Robinhood over differences with the technical team, and signed with crosstown rivals S.V. Transvaal instead.

Ronald Wilfried Kolf (born June 5, 1939) is a former Surinamese football manager and player who last served as the technical director of the Suriname national team and a board member of Surinamese football club S.V. Leo Victor.