Rubuta ci gaba don wannan sakin layi - Martyn shine Manajan Weightlifting / Kocin don Teamungiyar Ostiraliya a Wasannin Daular Burtaniya da Wasannin Commonwealth na 1966, Mataimakin Babban Manaja a Wasannin Commonwealth na 1974 da Babban Manaja a Wasannin Commonwealth na 1978. Ya kasance Shugaban Kungiyar Wasannin Commonwealth na Australiya daga 1979 zuwa 1987. A matsayinsa na Shugaban, ya taka muhimmiyar rawa wajen shirya Wasannin Commonwealth na Brisbane na 1982.