Treatment Team

David Fox

David Fox, M.D.

Consulting Psychiatrist

David Fox, M.D., is Board Certified in Child and Adolescent Psychiatry. He graduated magna cum laude from Harvard University in 1962 with a degree in Social Relations, and cum laude from Yale University School of Medicine in 1966. He completed his internship in Pediatrics and Child Development at the Albert Einstein College of Medicine, and did his psychiatric residency and fellowship at the Massachusetts Mental Health Center. He was on the faculty of Harvard Medical School from 1973-1977, and since 1977 has been a Professor of Psychiatry with the University of California at San Francisco. His professional experience is extensive, serving as the Associate Chief of Psychiatry at Valley Medical Center, and the Medical Director of the Renaissance Adolescent Center for Clovis Community Hospital, and was the director of Child and Adolescent Services at Cedar Vista Hospital. He also served as the Director of Psychiatric Training at Valley Children’s Hospital for 18 years. Dr. Fox is also a consultant to the California State Diagnostic School for Neurologically Handicapped Children. He holds certifications in Psychiatry-Neurology, and Child and Adolescent Psychiatry. Dr. Fox is the author of numerous publications.

Treon Hinmon

Treon Hinmon, Psy.D.

Licensed Psychologist PSY 20803

Treon Hinmon, Psy.D., has worked in mental health services for children and families for over 15 years. He completed a B.S. in Psychology at Old Dominion University in his home state of Virginia on a full academic scholarship, earning recognition by the Psychology department as a distinguished graduate of the program. He pursued doctoral training at the Fresno campus of the California School of Professional Psychology, with studies in child development and forensic psychology. Dr. Hinmon began his professional career in 1997 as a counselor in a residential program for abused children. He spent four years with the program, rising to serve as a staff trainer and facility manager. He worked for two years as an in-home counselor and program manager for Child and Family Services, Inc. (now known as The Up Center). Dr. Hinmon joined the Sullivan Center in 2002 and was promoted to the Senior Staff in 2008, there he provided a wide range of services for children, adolescents, families, couples and adults, including individual and family psychotherapy, behavior management training, parenting support services, and a variety of psychological evaluation services. He became a member of the Core Conditions, Inc./DN Associates team in 2015. Dr. Hinmon’s specialties include managing disruptive/defiant behaviors, parent education on child development dynamics, and family communication skills.

Dawn Keller

Dawn Keller, LMFT

Contract Therapist LMFT 39128

Dawn Keller is a psychotherapist working with individuals, couples, adolescents, families and groups. She has compassion and a practical approach that encourages and fosters change, insight and self-expansion. An exploration of defensive communication, behaviors and attitudes are explored along with useful reframing and concepts that allow for positive change. Dawn is known for her no-nonsense approach as well as for her compassion and humor.

Dawn has experience working with Individuals, Couples, Families, Step Families, Children, Foster Children and Adolescents, in Los Angeles and Fresno Counties. Specializing in intrapersonal and spiritual exploration, interpersonal relationships, couples considering separation/divorce, women’s issues, domestic violence, victims of crime, parenting, child behavioral issues, step-parenting, and blended family issues.

Shari Marquez

Shari Marquez, LMFT

Staff Trainer

Shari, a Licensed Marriage and Family Therapist, has spent over 20 years working in the Mental Health field. She received her B.S. in Education and Psychology, as well as a Secondary Teaching Credential, from the University of Michigan and her M.S. in Marriage, Family, and Child Therapy from California State University, Fresno. Shari has extensive experience in art and play therapy and in the treatment of trauma. She is currently the Clinical Program Supervisor for Resource Center for Survivors (RCS) (formerly Rape Counseling Services) where she supervises and trains novice therapists. Shari provided group therapy for CCI for many years, but now primarily focuses on conducting trainings on various mental health topics for CCI and DNA staff members.

David Bethea

David Bethea, RRW

Substance Abuse Specialist

David is the Executive Director for Youth OPS, a non-profit community youth development corporation he founded in 2003. He is also is the Adolescent Treatment Supervisor for Fresno New Connections Substance Abuse Services. David began his work in prevention in 1989 with John Jay College in Queens New York. He has attended Hampton University and Teacher’s College at Columbia University.

In 1995, David was hired as a Prevention Specialist for Fresno New Connections (FNC) and was lead staff for numerous community prevention services and activities. In 1998, David was hand-picked by Kings View Corporation to run its county-wide Friday Night Live Youth Development Program. David has been asked to speak at numerous colleges, schools, and communities on various approaches and techniques in youth development.

David was asked to return to FNC in 2004 to supervise and facilitate adolescent treatment as well as family groups. In 2005, David was also hired by the Fresno County Office of Education to supervise the Safe and Healthy Kids After-School Program for West Fresno School District.

David has also provided trainings on youth development to the Fresno Parks and Recreation Dept., Boys and Girls Clubs, various community based organizations, schools and churches.

JoAnn Heffington

JoAnn Heffington, M.A.

Registered Hippotherapist

JoAnn Heffington is a registered clinician with the American Hippotherapy Association (AHA) who provides hippotherapy intervention (therapy with horses). JoAnn has a very strong background in education, teaching, and equine management. Her many notable accolades, accomplishments, and credentials include the following:

•Certified PATH Inter. (Professional Association of Therapeutic Horsemanship, International) Instructor
•Certified PATH Inter. Equine Specialist in Mental Health and Learning
•Owner of Fresno Hippotherapy, a consulting, educational, and referral business
•Certified Occupational Therapy Assistant (semi-retired)
•Early Childhood Special Education Teacher (retired)
•Holder of a Masters Degree in Education and CA Teaching Credential
•Over 40 years of equine experience

JoAnn is a native Fresnan who has a deep love for our community and a lifelong commitment to serving individuals with physical, mental, emotional, and social challenges. She continually strives to develop new and innovative interventions to help individuals who are at risk or who have disabilities.

Eric Rollins

Eric Rollins

Certified Yoga Instructor

Eric is a certified yoga teacher through the teacher training program of the White Lotus Foundation in Santa Barbara CA . He has been teaching yoga since 2002 in the Fresno area. Eric has also studied with master yoga teachers Annie Carpenter and Max Strom. This experience made the mind body connection his main focus. The mind-body connection allows you to be in moment letting go of the past and the future . We spend so much of our lives riding an emotional roller coaster consumed by stress. Yoga teaches you to find a balance in life. Eric provides weekly yoga classes for adults and youth.