Dr. Clements served as a youth pastor and motivational speaker during college. Upon graduation he pursued a master's degree in divinity from Southwestern Baptist Theological Seminary in Fort Worth, Texas. The Lord had different plans for Dr. Clements, though, leading him to pursue a career in medicine.

Dr. Clements obtained his medical degree from the University of Arkansas. He served as president of his class all four years of medical school. He then completed his residency training in psychiatry at the University of Oklahoma–Tulsa, where he served as chief resident of the program. Dr. Clements began his career in psychiatry with the Meier Clinicsin Dallas, Texas. While there he founded Breakaway, an intensive counseling program designed specifically for teenagers. Dr. Clements also coauthored the book Blue Genes with Paul Meier, M.D.

Dr. Clements spent two and a half years with the Amen Clinics in Newport Beach, California, where he specialized in SPECT brain imaging.

Dr. Clements is now the medical director of the Clements Clinic in Plano, Texas. The Clements Clinic is a full-service psychiatric outpatient clinic offering SPECT brain imaging along with a wide variety of counseling therapies. The clinic is on the cutting edge of psychiatry in an effort to better diagnose and treat mental health issues.

Dr. Clements serves on the marriage commission for the Christian Medical and Dental Association, where he and his wife, Lynda, lead conferences aimed at helping physicians and their spouses improve their marriages. Dr. Clements has been married to Lynda for 12 years. They make their home in Frisco, Texas.