Morello later became an in-demand clinician, teacher and bandleader whose former students include Danny Gottlieb, TigerBill Meligari, Bruce Springsteen E Street Band drummer Max Weinberg, Rich Galichon, Phish drummer Jon Fishman, Gary Feldman, Patrick Wante, Tony Woo, Frankie Valli and the Four Seasons drummer Gerry Polci, Jerry Granelli, RIOT drummer Sandy Slavin, retired Army Blues drummer Steve Fidyk, Glenn Johnson, Pittsburgh drummer Bennett Carlise, "Level System" author and professional drummer Jeff W. Johnson, and Jon Bon Jovi drummer Tico Torres.