eton ▁under grad u ates ▁founded ▁" Pr inc eton ▁in ▁P ek ing " ▁in ▁support ▁of ▁the ▁Y M CA ▁in ▁Be ij ing . ▁ ▁Among ▁the ▁best ▁known ▁of ▁the ▁participants ▁was ▁Sid ney ▁D . ▁Gam ble . ▁Its ▁name ▁was ▁changed ▁to ▁the ▁" Pr inc eton - Y en ch ing ▁Foundation " ▁in ▁ 1 9 2 3 . ▁ ▁In ▁ 1 9 4 9 , ▁China ▁closed ▁its ▁doors ▁to ▁the ▁organization , ▁which ▁turned ▁its ▁efforts ▁towards ▁other ▁parts ▁of ▁Asia ▁and ▁renamed ▁itself ▁" Pr inc eton ▁in ▁Asia " ▁in ▁ 1 9 5 5 . ▁ ▁( Pi A ▁has ▁since ▁re est ab lished ▁a ▁large ▁presence ▁in ▁China .) ▁ ▁Pi A ▁h ired ▁its ▁first ▁full - time ▁executive ▁director ▁in ▁ 1 9 7 0 , ▁and ▁the ▁organization ▁grew ▁dram atically ▁in ▁the ▁ 1 9 7 0 s ▁and ▁ 1 9 8 0 s . ▁In ▁ 2 0 1 5 , ▁Pi A ▁placed ▁ 1 4 2 ▁fell ows ▁in ▁nin ete en ▁countries , ▁including ▁Camb odia , ▁China / H ong ▁Kong , ▁Tim or - L este , ▁India , ▁Indones ia , ▁Japan , ▁Kaz akh stan , ▁La os , ▁Mong olia , ▁Malays ia , ▁Nep al , ▁Philippines , ▁Singapore , ▁South ▁Korea , ▁Sri ▁L anka , ▁Taiwan , ▁Th ailand , ▁and ▁Vietnam . ▁ ▁Pr inc eton - in -