Jeff L Xu is a Chief of Regional Anesthesia & Acute Pain Management, Program Director of Regional Anesthesia & Acute Pain Medicine Fellowship. As the founder of the Regional Anesthesia & Acute Pain Services at Westchester Medical Center, he initiated and developed the regional anesthesia program for the anesthesia residents. He also is the founder of the fellowship program for Regional Anesthesiology & Acute Pain Medicine at Westchester Medical Center, New York medical College, USA, and served as Fellowship Program Director. He also served as Principal Investigator on multiple clinical studies, speaker for regional anesthesia workshops, and reviewer for peer review journals