▁Bus son ▁held ▁the ▁post ▁of ▁Chair man ▁since ▁the ▁char ity ' s ▁in ception . ▁He ▁stepped ▁down ▁from ▁that ▁position ▁in ▁ 2 0 0 9 ▁but ▁remains ▁a ▁member ▁of ▁the ▁Board ▁as ▁found ing ▁chairman , ▁and ▁as ▁chairman ▁of ▁AR K ▁US . ▁AR K ▁ra ises ▁char itable ▁contributions ▁from ▁the ▁h edge ▁fund ▁industry ▁for ▁children ▁who ▁are ▁vict ims ▁of ▁ab use , ▁dis ability , ▁ill ness ▁and ▁pover ty . ▁AR K ▁fin ances ▁and ▁man ages ▁projects ▁aim ed ▁at ▁transform ing ▁the ▁lives ▁of ▁children ▁in ▁Eastern ▁Europe , ▁South ▁Africa ▁and ▁the ▁UK ▁through ▁education ▁and ▁health care . ▁ ▁The ▁annual ▁Ark ▁D inner ▁hosted ▁by ▁Bus son ▁sees ▁a ▁range ▁of ▁high - profile ▁individuals ▁attend ▁the ▁event ▁to ▁raise ▁money ▁for ▁the ▁char ity . ▁Pre vious ▁years ▁have ▁seen ▁the ▁lik es ▁of ▁Bill ▁Cl inton ▁( 2 0 0 6 ), ▁Queen ▁R ania ▁of ▁Jordan ▁( 2 0 1 0 ) ▁and ▁in ▁ 2 0 1 1 ▁the ▁Duke ▁and ▁Duch ess ▁of ▁Cambridge ▁took ▁the ▁lim el ight ▁as ▁Prince ▁William ▁announced ▁a ▁joint ▁vent ure ▁by ▁the ▁Foundation ▁of ▁Prince ▁William ▁and ▁Prince ▁Harry ▁and ▁the ▁Ark ▁char ity . ▁ ▁Its ▁activities ▁include ▁fund ing ▁treatment ▁for ▁A ID S ▁vict ims ▁in ▁Africa , ▁taking ▁children ▁out ▁of ▁care ▁in ▁Bulg aria ▁and ▁Roman ia ▁and ▁developing ▁educational ▁opportun ities ▁for ▁dis adv ant aged ▁children ▁in ▁India