Meet the FITT Team

Sara Edrington, PsyD.
Founder/Advisor
Sara is a clinical psychologist practicing in San Rafael. She is passionate about her work with adults, adolescents, and families, using an interactive approach that explores neurobiology, trauma, relationships, parenting, and stress management. She has a passion for working with those who identify as Highly Sensitive. In addition, she holds a certification in early childhood education as well as infant massage, a technique she has used with infants who have experienced trauma. She has personally and professionally worked to support the foster care system for 20+ years.
She and her husband are the proud parents of a spirited daughter and son who keep them on their toes, even when everyone should be sleeping.
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Lina Fancy, MSc., AMFT
FITT Director
Lina first began her career working in autism and developmental disabilities, whereby years of training in behavior methodology evolved into a solid practice that focused on best practice intervention via 1:1 direct training, parent training, navigating educational placement and services. Lina went on to develop and grow the parent coaching program at the Autism Center of Northern California, where she was the director for 12 years, and is currently Director of LF Autism in Marin County. After 20 years in child development, she was compelled to complete her MFT at Dominican University with hopes to incorporate psychotherapeutic support for couples, siblings, and those navigating critical developmental journeys as they raise their children.
An EMDR-trained therapist, she recently stepped up as Director of FITT and is an Associate Marriage and Family Therapist providing behavior support in conjunction with trauma-informed psychotherapy.
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Sasha McGowan, LCSW
Sasha is a Licensed Clinical Social Worker who has worked with families impacted by trauma, separation, and behavioral challenges for more than ten years, having received her MSW from UC Berkeley. Sasha worked in Child Welfare for eight years and since 2019 has operated Foster Parent Therapy, providing therapy services to foster and adoptive families in California.
Sasha and her partner have adopted five children from California foster care, two of whom are now young adults in college. They continue to foster children with complex needs. Sasha is a certified trainer for Nurtured Heart Approach parenting classes and trains other therapists in Adoption Competent Therapy. Sasha's family was the California Department of Social Services Adoptive Family of the Year in 2022.

Tshidi Mathalise
Intern
As a FITT Intern (Marriage and Family Therapist), Tshidi is passionate about advocacy, while using a strength-based multicultural approach when working with families and individuals. In her early career, Tshidi was a child development teacher at the College of Marin and worked closely with children and families to support their children's developmental milestones. After completing her degree at Dominican University, she transitioned to working with foster care youth and resource parents with Seneca Family of Agencies. She has also worked with youth navigating the juvenile justice system, while partnering with their probation and social workers.
Born in South Africa, Tshidi witnessed her parents vote for the first time and saw the first black president become inaugurated at age 6. A first-generation college student, Tshidi is married and a mother to a five-year-old daughter.
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Caroline Kawashima
Intern
As a clinical intern for the FITT Program, Caroline brings a wealth of lived experiences in being a mother, a 30+ year career as a tech and healthcare marketing leader, life transitions coach, and, most recently, a graduate student enrolled in the Counseling Psychology Master’s Program at Dominican University.
With her personal experience with trauma, grief, and loss following an unexpected life transition, Caroline practices a deeply empathetic and compassionate approach to human suffering. Her passion is working with couples, children, teens, and families on how to process and heal from grief and loss and navigate life’s most challenging transitions. Caroline practices from an integrated and
culturally sensitive approach using various orientations based on humanistic, psychodynamic, CBT, and systems and solutions-focused interventions.
An empty-nester, Caroline lives with her husband and a very spoiled Scottish Fold cat.
She is a beginner equestrian and hopes to one day integrate equine therapy into her future
practice.

Nina Mason, LCSW
Clinical Supervisor
Nina Mason is a Licensed Clinical Social Worker (LCSW) who works with children, adolescents, families and adults. She utilizes an integrated approach with a strengths-based, attachment-focused, and trauma-informed lens. Nina has a passion for supporting women with challenges related to parenting, pregnancy or postpartum. With over ten years of experience as an individual therapist, clinical supervisor and trainer for a community mental health clinic, Nina supports and advocates for system-involved children and families.
She and her husband are proud parents to two young children, a son and a daughter. In her free time, Nina enjoys spending time outside in the sun as much as possible.

Erin Yip, Psy.D.
Support Group Moderator
Erin is a licensed clinical psychologist serving children, adolescents, adults, and families in Marin and San Francisco Counties. She earned her doctorate in clinical psychology with a focus on child and adolescent psychology and completed a two-year fellowship in trauma psychology at USC Center for Excellence in Developmental Disabilities at Children's Hospital Los Angeles.
Erin's expertise includes trauma-informed assessment and treatment for children and adolescents with developmental disabilities and trauma histories, as well as those in adoptive families and in the foster care system. She is certified in Managing and Adapting Practice (MAP) and has extensive experience providing evidence-based treatments such as Parent-Child Interaction Therapy (PCIT), Trauma-Focused Cognitive Behavioral Therapy (TF-CBT), and Dialectical Behavior Therapy (DBT).
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Grey Cunningham, LCSW
Group Supervisor
Grey Cunningham is a licensed clinical social worker who has supported families in the Bay Area for over 14 years. They specialize in Infant & Early Childhood Mental Health, working with children and families who have experienced separation, system involvement and complex trauma. Grey is trained in Infant Parent Psychotherapy and certified in Child Parent Psychotherapy through UCSF’s Child Trauma Research Program.
In addition to psychotherapy, Grey provides supervision, training and consultation to inform best practices with infants and young children in the child welfare system. Grey dedicates their work to supporting families of all constellations to be together and thrive.
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Carol Singer, LCSW
Clinical Supervisor
Carol Singer is a licensed clinical social worker who has worked with children and families for more than 40 years. Carol has provided child, individual, group, and family therapy, and has worked extensively with caregivers on parenting skills and family dynamics. She works from a strength-based, attachment, and trauma-informed lens. As a school therapist and mental health consultant, she has consulted with teachers of preschoolers through high school age students. Carol is a graduate of the Harris Early Childhood Mental Health Training Program, the Child Trauma Training Institute, and the UCSF Child Trauma Research Program.
Carol currently specializes in parent-infant/child therapy and early childhood mental health consultation, particularly with children who have experienced trauma. She also has extensive experience in program development and management and clinical supervision. Carol has two grown children and two fur babies. In her spare time, she loves to knit and travel.