O2ptima Instructors Find an O2ptima Instructor Clear Search All Instructors Kai Wah Chan (Chris)Xiao Lin (Kris)Xiao Lin (Kris)Wei Hsu (Victor)John BakerJohn BentleySaad BhattyJoseph BicanicAlex BlevinsDenis BourretChris BrockRicardo CastilloRaymond ChanJames W. ChandlerSang Min ChinTae Yong ChoiJimmy ChooMike ClearyTracy ClickMarc CraneMark DerrickJosh DillamanJosh DillamanMarissa EckertGabriel T. Katter FilhoMark FowlerJames FrileyMax GilbertDolphi GravesVincent GreenleeOr HaynaPaul HeinerthYoung Do HeoRichard HoskaRichard HoskaRayner IgnatiusYuchen JiangJim JosephJustin JuddTravis JungTravis JungVladislav KamyninJeff KnappParasu “Por” KomaradatParasu “Por” KomaradatYuichi KurashinaMaxim KuznetsovBen LairBen LairBen LairAlex LeePaul LenharrJacek LubowieckiEduardo de MacedoKevin MarksKevin MarksTed McCoyPeter McCumberSteve MillingtonRubens MonacoNorrased PalasingJung Hoon ParkChester ParzychMark PergremDori PhillipsDori PhillipsJesse PogueChristian PoirerDustin ProperDustin ProperMichael Wang QiNadir QuartaZack RichardsonJoao RodriguezRick RowettKen SallotKen SallotLuis SanchezBrian ShreveSornwit SinlaparatMichael SteinmannMax TsengKenneth WesselsJay WolfeJay WolfeBrandon WoltersJim Wyatt All Countries United States All States All Agencies IANTD IANTD - Instructor Trainer TDI TDI - Instructor Trainer PADI PADI - Instructor Trainer PSAI PSAI - Instructor Trainer NAUI NAUI - Instructor Trainer All Unit Types O2ptima BM O2ptima CM