GCC alumni
- Adrienne Bramhall '90 - Film Producer
- Willie Brown, Jr. '99 - Professional Dancer and Dance Instructor
- Rebecca Cheng '96 - International Marketing Consultant
- Rayond Godin '75 & '94 - Fire Chief
- Karen Knight '87 - Outdoor Industry Instructor
- Hope Macary '97 - Council on Aging Director
- William A. McRae '07 - Accountant
- Nancy E. Perry '84 & Richard C. Theis '94 - Investment Analyst and Critical Care Nurse
- Carles Pi-Sunyer '90 - Systems Architect
- Joe Quinlan - Photographer, Assistant District Attorney
- Matthew Sirum '01 - President and Worker/Owner, (PV)2, Pioneer Valley PhotoVoltaics Cooperative