Meredith - INFP
Izzie - ENFP
Bailey - ESFJ
Derek - INFJ
Callie - ESFP
Mark Sloan - ESTP/ENTJ though more like ESTP
Christina - INTP
George - ISFP/ISFJ
Dr. Hahn - ESTP
Dr. Hahn - INTJ - she quit due to some moral/principal issue regarding Izzie, doesn't seem ESTP or ENTJ, which would be the two other potentials, very similiar to Christina
Christina - I have always thought she is very INTJ, but all the other posts I have read said she is ISTJ...yup, she is def. INTJ all the way, she respects superiors only if they have proven themselves, she is very, very confident of her abilities
Derek - ENFJ - very good with people, a charmer, twinkly eyes, reminds me of Obama
Mark - ESTP - definitely, all the women, the sex drive, the tough-macho bit
George - ISFP, even more open-minded than I'd say ISFJs are, definitely traditional and moral-oriented
Izzie - I have always thought ENFP, def. intuitive, she seems way too bouncy to be INFP, INFPs are bouncy sometimes, she was bouncy almost all the time, she just radiated energy
Alex - ISTP def. - he is without a doubt an introvert, sensory oriented, rational and perceiver, he doesn't care much for other people's morals or opinions, he does his own thing, he is a quiet rebel and when he gets angry, oh, he breathes fire
Bailey - Not esfj, not Fe enough, E/ISTJ I think, struggles between her two duties, very practical, a good figure for her interns
Callie - ESFP - she said she wears her heart on her sleeve, very esfp thing to say
Lexie - INFP - seems intuitive to me...but she could be isfp...but she has such a child-like wonder that seems very infp to me, and she and Mark are duals
Arizona - ENFP maybe - she's very cool, I like her, but I am not sure about her type, she is pretty calm overall, very chirpy, very sincere, cries when facing confrontation with authority
Hunt - ISTP? ISTJ? - all about the 'gut', could be FI dominant, but yet seems calm and rational
Richard - ENTJ - completely neglected his wife and other relationships for his hospital, for his career, or maybe INTJ
Ellis Grey - ENTJ all the way, without a doubt