His areas of clinical expertise include geriatric medicine.Dr. Leng earned his M.D. from Jiangxi Medical College and his Ph.D. from Texas A&M University Health Sciences Center. He completed his residency at Mount Sinai St. Luke's - Roosevelt Hospitals and performed a fellowship in geriatric medicine and gerontology at Johns Hopkins.His research interests include international collaborative development of geriatrics and aging research programs.In 2007 Dr. Leng received the Paul Beeson Career Development Award in Aging Research, one of the most prestigious in the field of geriatric research.