Dr. Johnson boasts a diverse background in academia and clinical practice. He has worked as an administrator and faculty at Cleveland State University, Nevada State University, the University of Nevada, Las Vegas, and the University of Wisconsin-Milwaukee. He earned his PhD in Nursing Science from Medical University of South Carolina.

His extensive research and expertise focus on health disparities and inequities, resulting in over 20 research articles and textbook chapters and 40 conference presentations. He has a broad clinical history spanning pediatrics, pediatric critical care, psychiatric mental health, and corrections/jail nursing. Dr. Johnson is a Fellow of the American Academy of Nursing, board-certified Psychiatric Mental Health Nurse, and Certified Nurse Educator.