meet our team

executive director

Rovina Nimbalkar
Rovina comes to Greenlight Clinic with over 10 years of experience leading diverse non- profit organizations and helping vulnerable children, women and families from different religious, socio-economic and ethnic backgrounds. Her career focus has been around issues concerning the impact of trauma on children and women from underserved communities. She also brings deep experience in fundraising, community relations, marketing, outreach, financial management, and strategic planning. She has a Master’s degree in Social Work and a  Master’s degree in Organizational Psychology. In her spare time, Rovina enjoys baking and landscape photography.



marjorie swig
Marjorie Swig
Marjorie Swig, MS/LMFT, is a licensed marriage and family therapist providing psychotherapy for young adults, teens and children in Marin County and San Francisco since 2005. Marjorie’s focus is to help these young people cope with the challenges presented to them and to feel safe in this fast paced and complicated world.


kim norman
Kim Norman
Kim Norman, MD is the founder of the Young Adult and Family Center at UCSF. He has been awarded the Henry J Kaiser Award for Clinical Teaching and nominated for the American Association of Medical Colleges award for Humanism in Medicine. Dr. Norman specializes in Eating disorders, substance abuse/dual diagnosis, treatment of adolescents, young adults and families, CBT, DBT, IPT, PTSD, and dynamic psychotherapy.


carol nathan
Carol Nathan
Carol Nathan, Psy.D., is a clinical psychologist in private practice in San Francisco. She sees individuals and couples. She is a graduate of The Wright Institute. She has worked in child, adolescent, and family mental health at Richmond Area MultiServices Clinic, UCSF/SF General Hospital Department of Psychiatry Child Trauma Research Program, and California Pacific Medical Center Department of Outpatient Psychiatry.


kate leffel
Kate Leffel
Kate Leffel is a Registered Associate Marriage and Family Therapist who works with adolescents and adults, individuals and couples. She received her Masters in Counseling Psychology from The Wright Institute in Berkeley and also sees clients at the Marina Counseling Center and at William Cobb Elementary in San Francisco. When working with clients, her goal is to help them move forward in wellness and balance, with confidence to enjoy new experiences and new tools to use when future challenges inevitably come up.


karen van brunt
Karen Van Brunt
Karen Van Brunt, MS/LMFT, is a licensed marriage and family therapist since 1989. She has worked for the Center for Family Counseling, Marin County Health and Human Services – child treatment team, the Marin Sexual Abuse Treatment Program, Coordinated Youth Services Council as well as in private practice.


gayle canton
Gayle Canton
Gayle is a licensed psychotherapist MFT who for 30 years has specialized in working with women, teens and adults in transition, personal change and life discovery. Gayle has been trained in a variety of therapeutic modalities which give her a broad perspective to bring to clients. She is especially trained to deal with anxiety, grief and loss, relationship challenges, parenting struggles, low self-esteem and stressful life transitions. Gayle has a Bachelor’s degree from California State University of Northridge in Child Development: Specialty: Child Mental Health and a Master’s degree in Psychology: Emphasis MFT from Philips Graduate Institute.


Gia Stark
Gia Stark is a Registered Associate Marriage and Family Therapist and Associate Clinical Counselor. She received her Masters in Counseling Psychology with an emphasis on Community Mental Health from the California Institute of Integral Studies in San Francisco. Previously, she has worked at Access Institute, Paul Revere (PreK-8) School, and The Clinic Without Walls. She also sees adult patients in private practice.


Yu-Shan Huang
Yu-Shan Huang is a Registered Associate Marriage and Family Therapist who works with adolescents, adults, and senior citizens. She holds a Master’s Degree in Counseling Psychology with a concentration in Drama Therapy from California Institute of Integral Studies and she also provides grief counseling at Hospice by the Bay. She values creativity and self-compassion in work with clients. In addition to talk therapy, she often incorporates with dramatic/ imaginative play and expressive arts modalities to explore meanings and offer opportunities for expression and transformation.


Hannah Wright
Hannah is an Associate Clinical Social Worker pursuing a speciality in adolescent and family therapy. She holds a Master’s in Social Work degree from UC Berkeley and Masters in Education from University of Colorado.  She also has earned her PPSC and has worked extensively in schools as an educator, therapist, and care coordinator. In addition, Hannah is intensively trained in Dialectical Behavioral Therapy (DBT).

Hannah has worked for over ten years pursuing her passion for adolescent mental health in a variety of different capacities. This includes teaching for three years in under-resourced communities, providing therapy to pregnant and parenting adolescents at Fruitvale Academy,  and providing dyadic therapy as an infant-parent psychotherapist trainee through UCSF General Hospital’s Child Trauma Center. Most recently, Hannah created the Wellness Center at Tamalpais High School in Marin County. The Wellness Center provides supportive services for students around health, mental health, sexual health, and substance use and abuse. As the Wellness Coordinator, Hannah provided 1:1 therapy, coordinated care for all students, led a team of therapists, and helped develop curriculum and school-wide campaigns aiming to help adolescents develop healthy coping skills.

Hannah believes in a collaborative approach to therapy where the therapist and client work together to build a life worth living based on the client’s goal. She believes in an integrative approach to mental wellness aiding client’s to deepen their personal understanding and insight while overcoming maladaptive thoughts, behaviors, and emotions. Hannah’s clinical training includes assisting clients with depression, anxiety, self-injury behavior, suicidality, substance abuse, and eating disorders through a trauma focused lens.


samantha podstupka
Samantha Podstupka
Samantha earned a Masters Degree in Integral Counseling Psychology at the California Institute of Integral Studies in San Francisco and is registered with the BBS as an Associate Marriage and Family Therapist and an Associate Professional Clinical Counselor.  Samantha views healing through a holistic lens and recognizes the interrelationships of the mind, body, heart, and spirit.  Samantha is grounded in Gestalt Therapy and utilizes expressive arts interventions, cognitive behavioral therapy and mindfulness exercises in her work with clients.  Samantha believes that through building self-support and increasing our holistic awareness, choice emerges and we’re able to step more fully into our authentic selves.