He completed his internship at the University of California at Berkeley. He also received his Masters of Divinity from Fuller Seminary. Dr. Wall was Director of Psychology at Remuda Ranch for almost 20 years, treating girls and women with eating disorders. He is certified by the International Association of Eating Disorder Professionals as well as the International OCD Foundation. He has presented at national conferences, published articles in scientific journals and co-authored/edited a book on eating disorders.