Dr. Chang is a Fellow of American Society of Radiation Oncology and received the award of The Best Doctors in America. He is the current chair for American Radium Society/American College of Radiology (ACR) Thoracic Appropriateness Use Criteria Committee, chair of thoracic subcommittee of international Particle Therapy Co-Operative Group (PTCOG) and NCCN Thoracic Guidelines Voting Committee member. He served as a senior associate editor for International Journal of Radiation Oncology Biology Physics (Red Journal) and is an editorial board members for several international medical journals. He is also the past president of Sino-American Network of Therapeutic Radiology and Oncology (SANTRO). He is an international renowned expert in radiotherapy and one of the pioneers in the field of proton therapy, stereotactic radiotherapy and immunotherapy in lung cancer. He is primary investigator or co-primary investigator for many institutional, national and international clinical trials in lung cancer. He published more than 250 peer-reviewed SCI articles in the top oncology journals including Lancet Oncology, Nature Review Clinical Oncology, JAMA Oncology, JCO, JAMA Surgery, JAMA Network Open, Clinical Cancer Research, Cancer, Journal of Thoracic Oncology, and Intentional Journal of Radiation Oncology Biology Physics. He edited five books and published 24 book chapters related to image-guided radiation therapy, stereotactic ablative radiation therapy, intensity-modulated radiotherapy, proton therapy and combined immunotherapy with radiotherapy.

Dr. Chang received his MD from the Shanghai Medical College of Fudan University and his Ph.D in Oncology and Cancer Biology from The University of Texas MD Anderson Cancer Center UT Health Graduate School of Biomedical Sciences.