Roda JC Still in his playing years, Gerards attended the
German Sport University Cologne, earning various German managerial certificates. In 1974, he received his "Fußballehrer", highest professional football manager certificate in Germany, while working as municipality ambassador for
Brunssum. Immediately after retirement as a player in May 1974, Gerards signed a contract as assistant manager for Dutch
football club
Roda JC, where he was also appointed manager of the club's
youth team. He held his position for the
Kerkrade-based club for 12 years, serving under head managers
Bert Jacobs (1974–1980),
Piet de Visser (1980–1983),
Hans Eijkenbroek (1983–1984) and
Frans Körver (1984–1986). During the last managerial change, Gerards replaced
Eikenbroek as interim manager for a single game in December 1984, before returning to his post under arriving manager Frans Körver for the remainder of the 1984−85 season.
OFI At the start of the 1985−86 season, Gerards assumed his first job as manager for an ambitious Greek
Alpha Ethniki side
OFI. He came close to repeat this feat in 1990, but OFI were defeated in the Final by eventual
Cup winners Olympiacos. During his 15 years with the club, Gerards qualified OFI six times for European competitions, winning one
Balkans Cup in 1989, and advancing OFI through to the
UEFA Cup Round of 16 during the
1993−94 edition of the competition, most notably eliminating Spanish club
Atlético Madrid in the process. The 1999−2000 season was his last as manager at OFI. He was honored by the club for his longtime services, and was subsequently offered the position of chief scout and football advisor. However, in November 2000 he was surprisingly fired from his position, as the club's board of directors decided his presence was causing trouble for the club's new manager, former player
Ioannis Samaras.
Later career In January 2001, Gerards accepted the position of technical director at AEK Athens until the end of the season. There, he worked as a duo with their captain who had turned into a manager overnight,
Toni Savevski He then revived his managerial career at
Cypriot First Division side
APOEL Nicosia, winning the Cypriot Championship in his first season with the club. He stayed at
APOEL until 2002, and moved back to Greece as the new appointed manager of Alpha Ethniki side
Iraklis. After two seasons, Gerards decided in 2004 to retire as football manager and re-assumed his role as technical director and scout at AEK Athens, a position he held until 2009. He regularly organized football camps in Greece to discover new talents and has been linked to several key players to have emerged during his tenure as scout. On 23 February 2010, Gerards revived his managerial career once more, taking over
Panachaiki in the
Gamma Ethniki, but left the club shortly after two months. ==Personal life==