Dr. John Chao was born in China and fled China as a young boy with his large family during World War II. Eventually, Dr. Chao and his family arrived in the United States. Dr. Chao graduated from high school and college in the Los Angeles area and he graduated from the USC School of Dentistry. Upon graduation, Dr. Chao immediately opened his own dental practice in Monterey Park. The practice grew and relocated to large building in Alhambra with 12 operatories, where he still practices full time. In the late 1990’s Dr. Chao also graduated from Southwestern Law School in Los Angeles while still maintaining a full-time dental practice. In the early 2000’s he developed and patented the Pinhole® Surgical Technique. In 2013, the Pinhole Academy was established to train and certify dentists in the Pinhole® technique.