▁a ▁phys ician ▁and ▁Major ▁General ▁of ▁the ▁Medical ▁Corps ▁of ▁the ▁United ▁States ▁Army . ▁He ▁is ▁currently ▁the ▁president ▁and ▁CE O ▁of ▁the ▁Henry ▁M . ▁Jackson ▁Foundation ▁for ▁the ▁Ad van cement ▁of ▁Military ▁Medicine . ▁He ▁has ▁held ▁special ized ▁staff ▁medical ▁positions , ▁served ▁in ▁operations ▁at ▁hosp it als , ▁and ▁commanded ▁major ▁medical ▁install ations ▁across ▁the ▁United ▁States ▁as ▁well ▁as ▁operations ▁in ▁actions ▁over se as . ▁In ▁December ▁ 2 0 1 5 , ▁he ▁was ▁appointed ▁as ▁the ▁J oint ▁Staff ▁sur geon , ▁the ▁chief ▁medical ▁ad visor ▁to ▁the ▁Chair man ▁of ▁the ▁J oint ▁Chief s ▁of ▁Staff . ▁ ▁Early ▁life ▁and ▁education ▁Joseph ▁Car aval ho ▁Jr . ▁was ▁born ▁in ▁ 1 9 5 7 ▁in ▁Hawai i ▁to ▁Ag nes ▁and ▁Joseph ▁Car aval ho , ▁Sr . ▁and ▁grew ▁up ▁in ▁K ane o he , ▁O ahu . ▁His ▁family ▁is ▁of ▁Puerto ▁R ican ▁and ▁Chinese ▁descent . ▁He ▁attended ▁St . ▁Louis ▁High ▁School ▁in ▁Hon ol ulu . ▁He ▁graduated ▁from ▁Gonz aga ▁University ▁in ▁Sp ok ane , ▁Washington ▁with ▁a ▁B S ▁in ▁Mathemat ics ▁in ▁ 1 9 7 9 ▁and ▁was ▁commission ed ▁a ▁second ▁lieutenant ▁through ▁the ▁Army ▁R OT C ▁Program . ▁He ▁then ▁completed ▁his ▁medical ▁degree ▁at ▁the ▁Un iform ed ▁Services ▁University ▁of ▁the ▁Health ▁Sciences ▁School ▁of ▁Medicine , ▁and ▁was ▁commission ed ▁a ▁captain ▁in ▁the ▁United ▁States