His current interests are the effect of acupuncture on low back pain, stroke rehabilitation, and blinding in clinical trials from a methodological view point. Jongbae also provides clinical services at the PM&R Acupuncture Clinic. His educational background includes a professional doctorate and PhD in Korean Medicine from Kyung Hee University (Korea), and PhD & Post-Doctoral fellowship in Medical Sciences (clinical research) from the University of Exeter (UK). Prior to joining UNC-Chapel Hill in 2007, he served as an Instructor in Medicine at Harvard Medical School. Jongbae believes he has made a contribution, albeit small, to the development of science by inventing the Park Sham Device, a control method for acupuncture research, and pursuing for studies on blinding index, of which an early draft can be found at http://www.blindingindex.org/.