Cameron Carter, M.D.
Dr. Carter is a professor of psychiatry and has been involved in the care of early schizophrenia for the past 12 years. He directs the SacEDAPT Clinic and the Psychosis Research and Education Program in the Department of Psychiatry and Behavioral Sciences at UC Davis Medical Center as well as the UC Davis Imaging Research Center.
Cameron Carter
Tara Niendam, Ph.D.
Dr. Niendam is an Associate Professor in Psychiatry and a licensed clinical psychologist with specialized training in psychodiagnostic and cognitive assessment in youth at risk for or in the early stages of psychosis. As the Executive Director, Dr. Niendam supervises clinic activities and staff and coordinates outreach and educational presentations within the community. She also serves as the co-director for our HRSA-funded pre-doctoral Trauma and Adolescent Mental Illness (TAMI) internship, which is a collaboration with the UC Davis CAARE Center to provide evidence-based trauma informed care to youth with early psychosis. In her research, Dr. Niendam is interested in understanding how deficits in cognition can influence an individual's ability to maintain age-appropriate social and work/school functioning, as well as how the use of smartphones can improve clinical care for youth with psychosis.
Tara Niendam
Paula Wadell, M.D.
Dr. Wadell is an associate physician at UC Davis and the medical director of the UC Davis Early Psychosis programs. She is both an adult psychiatrist and a child and adolescent psychiatrist. She completed her medical school, residency and fellowship at UC Davis. Through these training programs she has experience with most inpatient and outpatient treatment programs in the Sacramento area. She has past research experience in genetics and social deficits in developmental disorders. As medical director, she provides psychiatric care and develops systems of care to ensure that all clients are receiving the best treatment possible.
Paula Wadell
Dan Shapiro, Ph.D.
Dr. Shapiro is a clinical psychologist and the director of pperations for the UC Davis Early Psychosis Program (SacEDAPT and EDAPT). He completed his doctoral training at Emory University and a specialized fellowship in the practice and dissemination of cognitive behavioral therapy at the University of Pennsylvania. He comes to UC Davis after filling similar leadership roles in Massachusetts and Georgia, deepening his expertise in the assessment and treatment of early psychosis, as well as more broad cognitive behavioral strategies for change. Dr. Shapiro is particularly interested in understanding how the things that make us each different affect the way we process and understand our experiences, then how they affect change when these ways get us stuck. He is also passionate about teaching and training in these areas and is an avid runner and music enthusiast.
Dan Shapiro
Laura Tully, Ph.D.
Dr. Tully is an assistant professor with Psychiatry and Behavioral Sciences at UC Davis and the director of clinical training at the UC Davis Early Psychosis Program (SacEDAPT and EDAPT clinics). Dr. Tully provides instruction in evidence-based treatment and assessment approaches for early psychosis youth, with an emphasis on CBT for psychosis. Dr. Tully’s research includes the use of smartphone technologies, such as mobile health applications, as add-on tools for symptom management and treatment in early psychosis care. In particular, Dr. Tully is interested in how to improve emotion regulation skills using smartphone app technology in order to reduce stress and symptom exacerbations.
Laura Tully
Khalima A. Bolden, Ph.D.
Dr. Bolden is a clinical psychologist with the UC Davis Early Psychosis Programs. Dr. Bolden received her doctorate in clinical psychology from the CSU San Diego/UC San Diego joint doctoral program after completing an internship (adolescent serious mental illness track) at UC Los Angeles. She completed a postdoctoral fellowship in clinical psychology (psychosis track) at Vanderbilt University Medical Center. During her fellowship she focused on clinical and neuropsychological assessment and intervention of individuals with suspected psychosis spectrum disorders. Additionally, she had the opportunity to implement and co-lead a cognitive rehabilitation therapy group for individuals with psychosis spectrum and mood disorders. As a clinician with SacEDAPT she uses evidence-based treatments and assessments to aid in the treatment of individuals in the early stages of psychosis. Her current research interests focus on assessing and improving clinical practices in the treatment of individuals at high risk for or experiencing their first episode of psychosis.
Khalima Bolden
Kathleen Marshall, M.D.
Dr. Marshall is an associate physician at UC Davis. She completed medical school at Pennsylvania State University and her residency in general psychiatry at UC Davis. Her training and work experience at SacEDAPT, local inpatient psychiatric hospitals, and the county-operated Adult Psychiatric Support Services clinic have provided her with extensive experience working with young adults and adults with a variety of mental health challenges.
Kathleen Marshall
John Daniel Ragland, Ph.D.
Dr. Ragland is a licensed clinical psychologist who completed his Ph.D. in clinical psychology at American University. Dr. Ragland is interested in the role that organizational abilities play in learning and remembering new information, how schizophrenia disrupts these organizational processes, and how treatment of these deficits may improve patients' daily function. In the EDAPT clinic, Dr. Ragland assists with intake assessments.
John Daniel Ragland
Ruth Shim, M.D., M.P.H.
Dr. Shim is an associate professor and the director of cultural psychiatry in the Department of Psychiatry and Behavioral Sciences at UC Davis. She completed medical school, residency, and fellowship training at Emory University in Atlanta, Georgia. Her research interests include the prevention of mental illnesses and substance use disorders and addressing mental health inequities.
Ruth Shim
Karina Muro, Ph.D.
Dr. Karina Muro is a clinical psychology post-doctoral fellow. She received her doctorate in clinical psychology from Fuller Graduate School of Psychology. Her dissertation focused on understanding the impact of immigration enforcement on citizen-children. She completed her pre-doctoral internship at the UC Davis SacEDAPT Clinic and the UC Davis CAARE Diagnostic and Treatment Center and provided evidence-based trauma-informed clinical care to youth experiencing early psychosis. Dr. Muro has also worked in diverse clinical settings including LAC + USC Medical Center and Children's Hospital Los Angeles administering assessments and providing psychotherapy to children and adolescents. As a post-doctoral fellow, she completes assessments for adolescents and young adults that are experiencing symptoms of early psychosis and provides evidence-based treatments including CBT for psychosis, TF-CBT, and Trauma Informed Care for psychosis in Spanish and English. Additionally, she participates in leading symptom-management therapy groups. Dr. Muro is a bicultural and bilingual Spanish/English clinician who also takes an interest in providing Spanish services to monolingual Spanish speaking families and mixed-status families (i.e., unauthorized, history of detention and/or deportation).
Karina Muro
Mary Ortiz, B.A.
Mary is the SacEDAPT bilingual peer case manager. Mary received her B.A. in social work from CSU Sacramento. As a student, she worked in public school settings as an advocate to educate students and encourage and empower young people as active leaders in their own communities. Prior to joining the UC Davis Health System, Mary provided case management services in probation agencies and group home settings. Mary has also worked with the disabled population in providing vocational opportunities and job skill building to adults with disabilities who may communicate their needs through behaviors. Mary looks forward to supporting SacEDAPT clients and families.
Mary Oritz
Martha Greenburg
Martha Greenburg serves as part of the SacEDAPT Team to provide supported education and employment services. Martha works closely with clients, helping them improve their everyday functioning and achieve their goals of social, academic and occupational recovery. Martha works to ensure each client is receiving the appropriate accommodations in the school and work setting, acting as a liaison between the client's school and their families. She received her B.A. from UC Davis in communication with a minor in community regional development. Prior to SacEDAPT, Martha worked as a peer specialist for Sacramento County's Community Support Team. When she's not at the clinic, Martha is a certified life empowerment coach, a yoga teacher, and a proud and passionate advocate for mental health.
Martha Greenburg
Yovanna Aguilera, B.S.
Yovanna is a SacEDAPT clinic coordinator. She graduated from UC Davis with a B.S. in psychology with a biological emphasis, and a B.A. in Chicano Studies. Yovanna has worked with student-run clinics such as Clinica Tepati, which serves the uninsured Latina/o population in Sacramento, as well as with the California Coalition for Youth as a bilingual crisis counselor. Yovanna has been affiliated with various volunteer organizations that center around community involvement, especially care for the underserved. She is proud to be a part of the team and believes in the strength and resilience of the clients SacEDAPT aims to serve.
Yovanna Aguilera
Renata Botello
Renata Botello is excited to assist as a clinic coordinator at the UC Davis Early Psychosis Programs. She will also participate as a junior specialist at the UC Davis Imaging Research Center with Dr. Tara Niendam looking at treatment outcomes and barriers of the programs. Renata graduated from UC Berkeley with a B.A. in psychology and disability studies. She hopes to obtain a Ph.D. in clinical psychology with the purpose of researching ways to reduce stigma and barriers to social interaction in people with early psychosis and schizophrenia. Renata aspires to contribute to the EDAPT and Sac EDAPT clinics by making the programs more inclusive for Spanish-speaking and culturally diverse families. Renata enjoys learning from her teammates as well as connecting and developing positive relationships with families and patients!
Renata Botello

Leslie Gilhooly
Leslie Gilhooly is a UC Davis graduate and third-year clinical psychology doctoral student at California School of Professional Psychology, Alliant International University, Sacramento. She will be working in the UC Davis Medical Center Early Psychosis Programs doing both assessment and intervention in the 2018-2019 year. Leslie has worked in various treatment settings, including the UC Davis MIND Institute, where she led skills-training groups for individuals with neurodevelopmental disorders and their families, as well as St. HOPE Public Schools and the Gender Health Center, where she had the opportunity to provide individual therapy to diverse clients of underserved populations. Leslie is particularly passionate about working with adolescents and young adults and their families. She is thrilled to have the opportunity to work in this capacity at EDAPT and SacEDAPT this year.
Leslie Gilhooly
Ryan Shickman
Ryan Shickman graduated from UC Los Angeles with a B.S. in psychobiology and is currently working on his doctoral degree in clinical psychology (Psy.D.) at Alliant International University, Sacramento. Ryan brings to the SacEDAPT team a passion for mentorship from his time at UC Los Angeles where he was dedicated to the Mentorship Program, a student-run organization that assisted youth from an underserved area as they strove to reach their goals related to higher education. This focus forms the basis of his recovery-oriented approach to working with individuals and families. For the past four years, Ryan worked at the UC Davis MIND Institute where he had the opportunity to travel around the United States and provide therapeutic intervention aimed at improving memory and attention, skills for getting back to school and/or work, and lead groups aimed at increasing social skills and peer relationships. He is excited and determined to make a difference for clients and families through collaborative care.
Ryan Shickman