Meet Our Clarksville Therapists Licensed Therapist Dr. Jennifer Castner Executive DirectorPh.D, LPC-MHSP-S, RPT Elizabeth Fry LCSW Jennifer Sharpe-Hillary LMFT Rodney Helton LCSW Provisionally Licensed Therapist Tina Duncan MS Master’s Level Therapist Rachel Burchfiel MMFT Counseling Intern Rachel Russell Professional Counseling Intern Certified Therapy Dog Zero Dr. Jennifer Castner’s Partner