After leaving Wesleyan, Zummo moved to New York City, where he continued trombone studies with Carmine Caruso and Roswell Rudd and sought out the influences of James Fulkerson and Stuart Dempster.
After leaving Wesleyan, Zummo relocated to New York City to further his trombone education with Carmine Caruso and Roswell Rudd and absorbed the styles of James Fulkerson and Stuart Dempster.