Joe C. Chang, MAOM, Dipl OM, LAc, is a second-generation acupuncturist and has worked as an acupuncturist and researcher in two integrative post-traumatic stress disorder (PTSD) programs for the United States Army.

An author who has published peer-reviewed articles in Medical Acupuncture, Journal of Alternative and Complementary Medicine, and Occupational Therapy International, Chang has been a speaker at Boston Medical Center, the Washington State Veterans Affairs Department, and the Edith Nourse Rogers Memorial Veterans Hospital in Bedford, Massachusetts. Additionally, he has been interviewed as an expert on the use of acupuncture and acupressure for PTSD by the Defense Centers of Excellence for Psychological Health and Traumatic Brain Injury.

Coauthor of The Treatment of PTSD with Chinese Medicine: An Integrative Approach, he is currently working as a consultant for the Center for Psychotherapeutic Change at the Edith Nourse Rogers Memorial Veterans Hospital, advising the PTSD Team on the integrative approaches of acupuncture for the treatment of PTSD and substance abuse. His community service experience includes his work with the underserved communities, specifically his work with elderly and disabled persons as a volunteer ombudsman with the Area Agency on Aging of Central Texas, as well as his work with families from low socioeconomic backgrounds and the homeless.

He also works with terminally ill patients as a patient care volunteer; with domestic violence and sexual assault victims as a hotline advocate; in the surgical ICU waiting room at Scott and White Memorial Hospital in Temple, Texas; at the Austin Veterans and Family Advocacy Council in their Veterans Team Recovery Integrated Immersion Program; at the Centering Pregnancy Program at Carl R. Darnall Army Medical Center in Fort Hood, Texas; and at William Beaumont Army Medical Center in El Paso, Texas.