Nick Cannesse, the designer of HaXe, Neko VM, mtasc and various other pieces of systems software is a competent ML hacker and has the requisite theoretical back

Nick Cannesse, the designer of HaXe, Neko VM, mtasc and various other pieces of systems software is a competent ML hacker and has the requisite theoretical background to hold his own in PL design. He's also contributed a bunch of Ocaml libraries. Definitely not a gamer-dude with the Dragon Book.