Jay is a retired physician whose area of expertise is Occupational and Environmental Medicine. He served as the Medical Director of several large companies. In retirement, Jay is a performing musician and volunteer, and sings throughout Chicagoland in a cappella duet, "Acappella Fellas", and as a soloist, "Sing Along with Doctor Jay". He volunteers extensively in the Riverside community, serves as the Director of Communications contact with the local Lions club, is a board member and treasurer of the Riverside Community Caucus, and is a board member and treasurer of the Riverside Arts Center.