Kammala jumla mai zuwa: A shekara ta 1986, an nada shi a matsayin shugaban kungiyar 'yan wasan kwallon raga ta Philippine Amateur Volleyball Association, a lokacin hukumar kula da wasan kwallon raga ta kasar. An kuma san Chaves da kashe kudadensa na sirri don tallafawa ayyukan da ayyukan PAVA. A lokacin da ya yi aiki, Concoy ya ba da gudummawa ga ci gaban wasan kwallon raga na Philippine a cikin shekarun 1980 da 1990, ciki har da nasarar da 'yan wasan kwallon raga na maza na Philippines suka yi a gasar cin kofin kasa da kasa a Kuching, Malaysia, da Manila ta karbi bakuncin gasar FIVB World Grand Prix a shekarar 1995, da kuma lambar zinare ta karshe ta' yan wasan kwallon raga na mata na Philippines a wasannin kudu maso gabashin Asiya da aka gudanar a Singapore a shekarar 1995.
Shekara ta 1993. Baya ga shugabancinsa na PAVA, an kuma zaɓe shi a matsayin shugaban Tarayyar Kwallon Ruwa ta Kudu maso Gabashin Asiya.