I really like Rachmaninoff's music, my favorite one from him is the Piano Concerto no2. One that I like that is still living is Yiruma and my favorite one he plays is River flows in You. Not sure if this counts but I love to watch Josh Groban play piano but he's more of a singer!
For me for the classics,, its beethoven..For international,,its Vanessa Carlton and Michelle Branch..They were really my idol when I was a little when it comes to playing the piano. I really like their songs. Especially Ordinary day and I'll always be right there.
Composers who I really admire and prefer the most...Tchaikovsky and Chopin.
I also like most of Russian composers like Sergei Prokofiev,Nikolai Rimsky and Aram Khachaturian because Bumblebee Flight, Montagues&Capulets and Sabre Dance inspire me.