Our senior staff are experts in clinical development strategy and have a wealth of experience working with children, adolescents, parents and families. They have dedicated their careers to this specialized field of clinical psychology and have devoted years of service to make the Sullivan Center a successful treatment facility.

Kathy Marie Sullivan, Ph.D. Clinical Director, is the founder and Clinical Director of the Sullivan Center for Children. Dr. Sullivan is a clinical psychologist with over twenty years of experience specializing in the treatment of emotionally disturbed children and adolescents. She received her undergraduate degree from Indiana University and her doctorate from the California School of Professional Psychology in 1980, and was licensed by the state of California in 1982. Before opening the Sullivan Center, Dr. Sullivan practiced in a variety of children's inpatient, residential and outpatient settings. She was on the Medical Staff of Kings View Hospital for nine years and between 1986 and 1989 she developed and served as Unit Chief for the first pre-adolescent inpatient psychiatric unit in the San Joaquin Valley.


Susan Napolitano, Ph.D. has provided clinical services to children and families for over 15 years. After completing her Doctoral training in 1991, she completed a two-year Post Doctoral Fellowship at the Sullivan Center where she now serves as assistant director. Dr. Napolitano served as the Chief of Staff at Cedar Vista Hospital in 1999. She is a Past President of the Fresno Area Psychological Association (FAPA), and was the Editor of the San Joaquin Psychologist from 1993 through 2001. Dr. Napolitano holds memberships in the American Psychological Association, the California Psychological Association, the Fresno Area Psychological Association, the American College of Forensic Examiners and the National Register of Psychology providers. She received the FAPA Distinguished Psychologist Award in 2000. Dr. Napolitano’s specialty areas include adolescent, family and forensic psychology.


David Fox, M.D., Director of Psychiatric Services, 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. He also served as the Director of Psychiatric Training at Valley Children’s Hospital for 18 years. In addition to his position at the Sullivan Center, Dr. Fox is also currently a consultant to the California State Diagnostic School for Neurologically Handicapped Children and the current Medical Director of Child and Adolescent Services at Cedar Vista Hospital. He holds certifications in Psychiatry-Neurology, and Child and Adolescent Psychiatry. Dr. Fox is also the author of numerous publications.


Katie Berggren, Psy.D. has worked with children in a variety of settings for twelve years. She earned her Doctorate degree from the Minnesota School of Professional Psychology in Minneapolis in 1999. She began as an intern at the Sullivan Center in 1997, and completed her training here. Dr. Berggren was licensed by the State of California in 2001. Her specialty is providing assessments and therapy to young children, including toddlers and preschool aged children.


Mark Barnes, PhD is a senior clinician who has worked with children and adolescents for 16 years and has been with the Sullivan Center since 1991. He holds a doctorate in Clinical Psychology and is a licensed psychologist. He also holds a master’s degree in Marriage, Family and Child Counseling. Dr. Barnes has diverse experience in treating children, adolescents and their families in a variety of settings including hospitals, residential treatment centers, and day treatment and outpatient programs. Dr. Barnes has a specialty in psychodiagnostic assessment and learning disability testing, as well as the treatment of depression, attention deficit disorder and developmental issues of adolescents. He currently administers the training components at the Center including the APPIC approved internship program, as well as serving as a clinical supervisor to participating pre-doctoral interns. Dr. Barnes also serves as adjunct faculty member at Fresno State University, the California School of Professional Psychology and is a consulting faculty member for the Mennonite Brethren Biblical Seminary. Dr. Barnes has also served as treasurer, president elect, president and past president of the San Joaquin Psychological Association.



Laurie Rabens, PhD Special Program Coordinator, is a senior clinician who has been with the Sullivan Center since the first year of its inception in 1989. She completed her undergraduate studies with a major in psychology at the University of California, Santa Barbara. After spending a year working and studying in Guadalajara, Mexico, Dr. Rabens began her graduate studies in clinical psychology at The California School of Professional Psychology. Dr. Rabens completed her pre-doctoral training through the University of California, San Francisco and a year of post-doctoral training working on the children and adolescents units at Kings View Hospital in Reedley, California. After finishing her fellowship, Dr Rabens became a member of the medical staff of Kings View and worked of the Children’s Inpatient Psychiatric Unit for several years. Since joining the Sullivan Center Dr. Rabens has been involved in a variety of professional roles including providing psychological assessment and treatment to children, adolescents and their families. Additionally, Dr. Rabens provides supervision to pre-doctoral students and holds a major role in program development for the center. Dr. Rabens has a special interest in organizing professional conferences for the Center and the Community. Her clinical specialty is the assessment and treatment of pre-school and young children.


Nancy Doi, Psy.D., Staff Psychologist, came to the Sullivan Center in 2000. She received her Doctorate in Psychology from Long Island University in New York in 1998. Originally from Kingsburg, Ca, Dr. Doi returned to the Valley after working in Los Angelas for six years. Dr. Doi is the Editor of “The Fresno Area Psychologist.” Her areas of interest include adolescent anger management, domestic violence issues, play therapy and sand-tray therapy


Treon Hinmon, Psy.D., Post Doctoral Fellow and Psychological Assistant, has been active in mental health services for children and families since 1997. 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 then came to Fresno for doctoral training at the California School of Professional Psychology. Concurrent with his graduate education, Dr. Hinmon worked as a care provider and program manager at 2nd Home, Inc., a group home for abused children. Upon completing his Masters degree, Dr. Hinmon returned to Virginia for two years where he worked as an in-home counselor and program manager for Child and Family Services, Inc., a non-profit social service agency. In 2002, Dr. Hinmon returned to California to complete his doctoral training as an intern at the Sullivan Center. He received his Doctorate in Clinical Psychology in 2004. In his current role as a Postdoctoral Fellow and Psychological Assistant, Dr. Hinmon provides a variety of services for children, adolescents, and adults including psychotherapy and psychological evaluation. He works under the Supervision of Susan Napolitano, Ph.D.


Lisa DeBenedetto, Licensed Marriage and Family Therapist, has been providing therapeutic treatment for children, adolescents, couples and families at the Sullivan Center since 2003. Lisa specializes in working with children and families who are victims of abuse or crime. She works with individuals who have troubles ranging from adjustment difficulties to severe emotional disturbance. She received her Masters degree in Marriage and Family Counseling from St. Mary's College in 2002.



Our Office Staff

Mary Young, Secretary, joined our group in January 2004. Mary is responsible for scheduling Dr. Fox’s appointments and managing the prescriptions. She can be found at the second window after entering our main waiting room.


Diana Miller, Office Manager, has worked at the Center since it opened in 1989. She previously worked at King’s View Hospital in Reedley California.


Jo Ann Pflughoft, Secretary, came to the Center in 2002 from BK Lighting where she worked as a secretary.

HOME OUR SERVICES OUR STAFF ABOUT US CONTINUING EDUCATION SULLIVAN FOUNDATION CONTACT US