▁business ▁called ▁R TI ▁Health ▁Sol utions , ▁which ▁supports ▁bi ote ch , ▁di agnostic ▁and ▁medical ▁device ▁companies . ▁As ▁of ▁ 2 0 1 2 , ▁the ▁organization ' s ▁largest ▁service ▁areas ▁were ▁in ▁social , ▁statistical ▁and ▁environmental ▁sciences . ▁More ▁than ▁half ▁of ▁R TI ' s ▁staff ▁have ▁advanced ▁degrees ▁in ▁one ▁of ▁ 1 2 0 ▁fields ▁and ▁work ▁on ▁approximately ▁ 1 , 2 0 0 ▁projects ▁at ▁a ▁time . ▁▁ ▁R TI ▁has ▁twelve ▁US ▁offices ▁and ▁twelve ▁international ▁locations , ▁supporting ▁operations ▁in ▁ 8 0 ▁countries . ▁About ▁ 6 0 ▁percent ▁of ▁R TI ' s ▁staff ▁are ▁head qu arter ed ▁on ▁a ▁ 1 8 0 - acre ▁campus ▁inside ▁the ▁Research ▁Tri angle ▁Park . ▁Most ▁of ▁R TI ▁International ' s ▁fund ing ▁comes ▁from ▁government ▁research ▁contract s . ▁In ▁ 2 0 1 8 ▁R TI ▁staff ▁author ed ▁ 1 , 0 5 2 ▁journal ▁articles . ▁The ▁Institute ▁b ids ▁on ▁$ 2 ▁billion ▁in ▁research ▁contract s ▁a ▁year ▁and ▁wins ▁approximately ▁ 4 0 ▁percent ▁of ▁the ▁budget ▁it ▁b ids ▁on . ▁While ▁R TI ▁is ▁techn ically ▁a ▁non - pro fit ▁research ▁inst itute , ▁senior ▁employees ▁are ▁reward ed ▁sal ary ▁bon uses ▁( 4 % ▁for ▁senior ▁staff , ▁and ▁ 9 - 1 5 % ▁for ▁man agers ) ▁based ▁on ▁annual ▁performance ▁and ▁corpor ate ▁profit . ▁However , ▁employees ▁have ▁no