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 director of a non-profit humanitarian organization, the www.amicusfoundation.org, which sponsors international projects in education, children & women's needs and cultural preservation. He presently resides in Hawaii with his wife and artist Dorianne (www.DorianneArt.com).