Oprah- Not only can she move a crowd, she is a billionaire who makes major contributions to society. She's someone I HIGHLY admire for who she is, her intentions, & how she's accomplished her goals. Amazing..
I'd say INFJ - but I can't exactly explain why.
Just a very 'INFJ'-ish vibe I get off him.
I'd throw another vote in for it. Not sure why, I always assumed INFP. But some things are seeming INFJ like. Especially the referencing a million sources he has been reading. (though there might be nothing better to do sometimes if the band is his work.) INTJ is also a serious option.
Freude, schöner Götterfunken Tochter aus Elysium, Wir betreten feuertrunken, Himmlische, dein Heiligtum! Deine Zauber binden wieder Was die Mode streng geteilt; Alle Menschen werden Brüder, Wo dein sanfter Flügel weilt.