Background
Marmon, son of an officer in the British Army, grew up partly in Germany.
Marmon, son of an officer in the British Army, grew up partly in Germany.
Marmon spent his early football years at Plymouth Argyle and Torquay United, making four appearances for the later in the 1979-1980 season. In 1982, he joined South Carolina Rinteln and, the following year, TuS Hessisch-Oldendorf, two amateur clubs from the German state of Lower Saxony. With Hessisch-Oldendorf, he played in the third division Oberliga Nord for a season before joining VfL Osnabrück in the same league.
He began his professional football career in Germany with VfL Osnabrück in the German 2.
After five seasons with the club, he was transferred to Hannover 96 for the sum of Doctor of Medicine 150,000. He played with the Hanover club for half a season in the 2.
Bundesliga but fell out with manager Slobodan Cendic and moved to his country of birth, joining in January 1990 to play in the Fourth Division. Despite having only spend half a season with the club, he became Colchester"s player of the year in 1990.
Colchester was relegated to non-league football at the end of the 1989-1990 season and Marmon remained with the club to see the side finish runners-up in the Football Conference.
Marmon returned to Germany in 1991, spending a further two seasons in the German second division, now with Football Club 08 Homburg. He became the hero of the clubs 4–2 extra time DFB-Pokal victory over Football Club Bayern Munich in Munich on 17 August 1991, when he successfully neutralised Bayern"s forwards. Dropping out of fully professional football, he remained in south-western Germany and spent time with third division sides FSV Salmrohr and, later, SV Elversberg, first becoming player-manager and later manager with the club
Marmon coached Elversberg from December 1996 to April 2001, when he was dismissed, followed by a short spell at South Carolina Preußen Münster in 2002.
He had two more spells with local German southwest amateur clubs as player and manager following his time in Münster. Since 2011, he is coach of local amateur side SG Schwemlingen/Tünsdorf/Ballern.
Post full-time football, Marmon, works for a sports article manufacturer, living alternately in London and Merzig, Germany. By profession, he is a qualified sports teacher as well as a physical therapist.