Dr. Tong Ba Nguyen is a minister, and he has devoted his entire life to assisting people with mental health issues, particularly individual problems related to personality within the realm of spirituality, religion, and faith. He has engaged in various spiritual and religious sites and guided people to cultivate spirituality and faith. In 2005, Dr. Nguyen worked at Calgary Health Region and volunteered at VITAS Healthcare Organization in San Antonio, Texas, in 2007. He worked directly with mental health counselors and professionals at Orchid Court Inc., California, from 2009 to 2012 to perform various roles and functions in diagnosing patients suffering from mental health issues and disorders. Meanwhile, Dr. Nguyen served as a pastoral care provider for San Antonio Community Hospital, California. Since then, he has provided individual, couple, and family counseling.