Jazz piano is an improvisational art form, and mastering it requires a deep understanding of jazz theory, chord progressions, scales and modes, chord voices, and rhythms. To become a professional jazz musician, you need to learn the skills of jazz masters and imitate their techniques. Start by listening to the greats like Art Tatum, Bud Powell, Red Garland, Bill Evans, Duke Ellington, Monk, McCoy Tyner, and Chick Corea. Learn to identify the third and seventh of any chord you see - these are the notes of juice that make up many early chord voices.
When learning jazz standards (songs that are widely known and performed), identify patterns that you can use later when you learn to improvise. To accompany others in a jazz environment, your role as a jazz pianist is to provide a solid harmonic and rhythmic background. Arthur Bird's beginner jazz piano class offers a deep but easy-to-follow introduction to theory and will teach you the basic components of the jazz piano. The Jazz Piano Book is ideal for classically trained pianists, although it is also intense.
If you study it 8 hours a day, you will be a professional jazz musician in 3 years. Take some university jazz courses and take some lessons with the best jazz musicians you can find in your area. Whether you really want to learn how to play the