Greenwood received his undergraduate degree at the University of Iowa, and his Master’s degree in Mental Health Counseling from the University of Nebraska-Omaha. For most of the past 20 years, he has been in private practice. He began his career with Mid-Iowa Family Therapy Clinic based in Perry, IA, and then moved to West Iowa Family Services in Denison. Most recently, Greenwood offered services through the West Iowa Mental Health Center in Denison. He is a Licensed Mental Health Counselor (LMHC), Licensed Marriage and Family Therapist (LMFT), and Registered Play Therapist – Supervisor (RPT-S).