Chrstphr rthr Lttnr (brn 1978) s n mrcn sftwr ngnr nd crtr f LLVM, th Clng cmplr, th Swft prgrmmng lngg nd th MLR cmplr nfrstrctr.
ftr hs PhD n cmptr scnc, Lttnr wrkd t ppl fr 12 yrs, vntlly ldng th Dvlpr Tls tm.
Btwn 2017 nd 2022, Lttnr wrkd n vrs pstns fr Tsl, Ggl nd SFv. H s crrntly c-fndr nd C f Mdlr , cmpny bldng n rtfcl ntllgnc dvlpr pltfrm.