Chuck was a practicing physician specializing in nephrology and primary care for 30 years. Gelber most recently practiced at Summit Medical Group. Since retiring in 2017, Gelber has served as a physician in underserved area clinics with the Summit Medical Group Foundation and has traveled on medical missions to the Dominican Republic with Waves of Health. Since 2010, he has volunteered with the Summit Juvenile Conference Committee, which adjudicates cases involving first-time juvenile offenders.