Currently Jeff is a member of Chicago Philharmonic and performs regularly with the Grant Park Symphony Orchestra. He has served as Concertmaster for the New Millennium Orchestra, Spoleto Festival Orchestra in Italy, National Repertory Orchestra, and Emerald City Philharmonic.
Yang can be seen in many PBS productions of Soundstage with artists such as Faith Hill, Jewel, Dennis DeYoung, Burt Bacharach, Peter Cetera, Bernadette Peters, as well as on numerous Oprah shows with Andrea Bocelli and Il Divo.
Yang is currently the president of Chicago Strings, a full service violin shop in Evanston, Illinois. In 2018, he created the non-profit organization, In The Realm Of Senses.