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CASARC Staff

Tonya Chaffee, MD, MPH Medical Director
Peter M. Ferren, MD, MPH Child and Adolescent Psychiatrist
Naomi Friedling, MFTI Child and Family Therapist
Jody Friedman, LCSW Clinical Social Worker
Janet Hines, MSN, PNP Director
Mireya E. Lopez, HUC Hospital Unit Coordinator
Susan H. Miller, MSN Certified Pediatric Nurse Practitioner
Gloria Samayoa, LCSW Clinical Social Worker
Lydia Santiago, Ph.D. Child Psychologist and Associate Clinical Professor of Psychiatry
Mary Slaughter, RN Forensic Nurse
Chris Stewart, MD Pediatrician
Shannon Thyne, MD Pediatrician
Sachie Uchimaru, MSW Mental Health Therapist

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Tonya Chaffee

Tonya Chaffee, MD, MPH,

is the Medical Director of CASARC. Dr. Chaffee completed Pediatric Residency, Chief Residency, and subspecialty fellowship training in Adolescent Medicine at University of California, San Francisco. She subsequently completed an Academic Fellowship in Violence Prevention, through the California Wellness Foundation, at San Francisco General Hospital. During this fellowship she earned an MPH at UC Berkeley, while conducting research and policy work in violence prevention, including research pertaining to training providers in the prevention of youth violence.

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Peter M. Ferren, M.D., M.P.H.,
Child and Adolescent Psychiatrist

is Associate Clinical Professor of Psychiatry and Child and Adolescent Psychiatry in the Department of Psychiatry at UCSF San Francisco General Hospital Campus. Dr. Ferren is board-certified in both general psychiatry and child and adolescent psychiatry. He provides direct clinical care for CASARC patients and consultation to the Department of Pediatrics.

Dr. Ferren received his A.B. in Anthropology from Harvard University, his M.D. from Yale University, and his M.P.H. from the Rollins School of Public Health of Emory University. After completing his general psychiatry residency at Emory University, Dr. Ferren trained as a child psychiatry fellow at the Yale Child Study Center. He has published research conducted in Bosnia and Croatia regarding the relationship between posttraumatic stress disorder and self-efficacy among adolescent refugees. Dr. Ferren served for five years as a member of the AACAP Work Group on Training and Education. He is currently a member of the AACAP Work Group on Lifelong Learning for child and adolescent psychiatry.

His professional interests include residency training and the implementation of the core competencies, international public mental health, and the early onset of major psychiatric disorders in young children.

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Naomi Friedling, MFTI,

is a Spanish speaking Child and Family Therapist at CASARC. She recieved her Masters in Marriage and Family Therapy at San Francisco State University. She has completed intensive training in family therapy through Bay Area Institute of Training. Ms. Friedling works from a family-focused, strengths-based perspective. Goals of her work include helping children to overcome the acute symptoms of trauma while, in the process, helping them strengthen their inner resources and external support systems. Her work also focuses on improving family functioning, increasing client self-esteem and increasing individual and family resilience.

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Jody Friedman, LCSW,

is a Clinical Social Worker who received her BA in Psychology from UC Santa Cruz and her MSW from San Francisco State University. Jody has worked as an advocate, clinician, manager, supervisor and consultant on behalf of disenfranchised women, children, youth and their families for the past 20 years. She was the Clinical Director of Hospitality House’s program for homeless and runaway youth; coordinated the UCSF Department of Psychiatry/Child & Adolescent Services LINC Program for children & teens exposed to complex family and community violence; was a Clinical Supervisor/Consultant at Bay Area Addiction Research and Treatment, Walden House Adolescent Services and A Home Away from Homelessness; and has experience running an adolescent sex-offender program. She also served as a field representative to the Office of Criminal Justice Planning’s State Advisory Committee on Sexual Assault Victim Services Child Sexual Exploitation subcommittee. Currently she is a clinician at CASARC providing a wide range of clinical services for children and youth who have experienced interpersonal trauma. She provides clinical supervision for staff and helps to coordinate the MSW Internship program at CASARC.

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Janet Hines, MSN, PNP,

is the Director of CASARC, at San Francisco General Hospital. Ms. Hines received her B.A. from U.C. Berkeley and her M.S.N. and Pediatric Nurse Practitioner Certification, from U.C. San Francisco. While at UCSF, she completed an additional internship in Adolescent Health Care at the San Francisco Kaiser Teen Clinic. Before becoming Director of CASARC in 2004, Ms. Hines was the nurse practitioner for the agency for 7 years.

n addition to providing forensic medical services to children who had been sexually abused, she coordinated the medical portion of the program. Ms. Hines has served as an expert witness for the San Francisco District Attorney's Office in child sexual abuse criminal cases as well as a consultant for the Office of Homeland Security on international child pornography cases. Ms. Hines has served as a skills station instructor for the Pediatric Sexual Abuse Exam Training at the California Medical Training Center. Before coming to CASARC, Ms. Hines worked as a nurse practitioner at Children’s Hospital, Oakland. She performed forensic medical examinations as a part of the emergency response team and she also provided medical care at the Urgent Care Clinic in the Emergency Department.

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Mireya E. Lopez, HUC,

has been an Administrative Assistant at CASARC since 1996. Ms. Lopez assists in translating materials into Spanish, and is available to serve as a translator for Spanish speaking clients. She has been in charge of numerous special projects for the agency, and helped design agency’s current logo.

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Susan H. Miller, MSN,

is a Certified Pediatric Nurse Practitioner who provides medical forensic exams and interviews for children and adolescents who have potentially been sexually or physically abused. She began working for CASARC in August of 2008. Prior to obtaining her Nurse Practitioner degree, Susan worked as a Registered Nurse for twelve years. She received her MSN and Pediatric Nurse Practitioner Certification from Georgia State University in 2001 and worked in primary care pediatrics for three years. She then began her work at Children’s Healthcare of Atlanta for the Child Protection Center. While at the child protection center in Atlanta, she provided over 1000 forensic medical exams to children/adolescents who were allegedly physically or sexually abused. She has experience as an expert witness testifying on child abuse cases. She has also completed training in adult sexual assault forensic examinations and assist as needed for those cases. She has given several lectures on forensic medical exams of children and adolescents. Susan also maintains her pediatric primary care practice part time.

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Gloria Samayoa, LCSW,

is a native San Franciscan bilingual/bicultural Latina. She received her BA and MSW at San Francisco State University. She is an Employee of the District Attorney’s office and was a Child Protective Services Worker for the San Francisco Human Services Agency since 1997. Gloria was trained as a forensic interviewer in 2001 at the Suffolk County District Attorney’s office in Massachusetts. Gloria has been the multi-disciplinary interview center coordinator at CASARC since 2008. Gloria provides coordination of forensic interviews and conducts forensic interviews in Spanish.

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Lydia V. Santiago, Ph.D.,

is a Child Psychologist and Associate Clinical Professor of Psychiatry in the UCSF/SFGH Department of Psychiatry. Dr. Santiago is the Clinical Coordinator for CASARC overseeing the direct clinical care of CASARC clients, providing psychotherapy services to monolingual children and families at CASARC and providing clinical supervision to the mental health staff. She has been licensed in California since 1991 and previously worked at UCSF Department of Pediatrics, Division of Adolescent Medicine for eight years running the mental health program for Treasure Island Job Corps. Dr. Santiago is a bilingual/bicultural Latina who received her Ph.D. in clinical psychology from Temple University in Philadelphia. She did her APA predoctoral internship at Cook County Hospital in Chicago, IL specializing in child and adolescent health psychology and her postdoctoral fellowship at UCSF Department of Behavioral Medicine and Department of Behavioral and Developmental Pediatrics. Her professional interests include cross-cultural identity development, the impact of immigration and racial trauma in minority adolescent’s acquisition of developmental tasks and family functioning.

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Mary Slaughter, RN,

is a Forensic Nurse and Child Interview Specialist at CASARC at San Francisco General Hospital. She has worked at CASARC for the past eighteen years in the capacity of a Forensic Nurse. Before coming to CASARC, Ms. Slaughter worked at the Cole Street Youth Clinic, Huckleberry House and Youth Guidance Center. During this time Ms. Slaughter provided both Medical and Mental Health care to high risks adolescents.

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Chris Stewart, MD,

is the Medical Director of Inpatient Pediatrics at San Francisco General Hospital. Dr. Stewart completed Pediatric Residency and Chief Residency at University of California, San Francisco. He subsequently became a faculty and received training in child abuse recognition and management. Dr. Stewart chairs the Suspected Child Abuse and Neglect meeting, which reviews cases of suspected child abuse and addresses system issues among the various county agencies involved in protecting children. He is also conducting research on child abuse, as well as teaching recognition and management to residents and medical school students.

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Shannon Thyne, MD,

is a general pediatrician who serves as the Medical Director of the Children’s Health Center at SFGH. She has received additional training as a physical abuse and sexual abuse examiner and she works closely with the foster care system to provide primary care and clearance exams for foster children in San Francisco. In addition to her work with children at risk for abuse and neglect, Dr. Thyne also provides general pediatric primary care and oversees the Pediatric Asthma Clinic at SFGH.

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Sachie Uchimaru, MSW,

is a mental health therapist at CASARC. She received her B.A. in Psychology and Education from Swarthmore College, and her Masters in Social Work from Columbia University. She was born in Japan and is fluent in Japanese. Before coming to CASARC, she worked with children in a wide range of settings, including residential treatment centers, foster care agencies, public schools, and a mental health clinic specializing in treating abused children.

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