paul parilla jay ligature bitsy kelley resign team usa gymnastics board directors usa gymnastics execs resign wake nassar scandal least powerful phallus team united states gymnastics board directors resigned clarence day aly raisman blasted organization theatrical role nassar intimate assault scandal wlns board directors executive leadership chairman paul parilla along vice chairman jay binder treasurer bitsy kelley resigned usa gymnastic exercise confirmed way traces three board members already scrubbed team usa gymnastics website three fellow member board years parilla board since least addition binder duty also served interior team up physician acrobatic gymnastics since served team usa gymnastics panel since team usa gymnastics president ceo kerry perry says support decisions resign time trust illuse allow us effectively move forward implementing change inside organization