Most recently, he was a clinical neurologist at Li-Shin Hospital and E-Zen Hospital, both in Taiwan (2006-08).
Peng completed a one-year clinical neurophysiology fellowship and his neurology residency, both at SIU School of Medicine (2006, 2005). He earned his medical degree at Taiwan National University (1991).
He is board certified in neurology and clinical neurophysiology by the American Board of Psychiatry and Neurology.
A native of Taiwan, Peng is married to Hsiao-Lin Fang and has three children.