As a professional musician Winkler has worked with Charles Mingus, Gabor Zabo, Benny Powell, Johnny Guitar Watson, Alex Acuna (Weather Report), Bill Kreutzmann (Grateful Dead), Donald Fagen (Steely Dan), Todd Rundgren, Steve Kimock, Makana, and many others. Winkler has also practiced medicine in Hawaii for 22 years, and serves as President of Kauai Community Health Alliance. He is also the founding...