About Me
Rachel Marie Alexandra Costella
Education & Licensure
Licensed Marriage and Family Therapist in
California (LMFT# 132716) and Oregon (LMFT# T2716)
Master of Arts, Counseling Psychology, Corrections Emphasis --
Santa Clara University
Bachelor of Science, Psychology and Social Action --
Palo Alto University

Clinical Experience
My clinical journey began in community mental health over a decade ago, where I had the privilege of working closely with adolescents, parents, and families navigating some of life's most challenging moments. Those years taught me how to meet people where they are — learning to understand the layers of complex family systems and offering support that honors both the individual and the family as a whole. I also spent time as a program supervisor, mentoring and coaching developing clinicians in their work with children and adolescents.
Prior to opening my practice, I deepened my clinical roots at the Wise Mind Institute where I dedicated myself to specialized training in Dialectical Behavior Therapy (DBT) and Radically Open DBT (RO-DBT). These approaches strengthened my ability to support adolescents and adults facing challenges with emotion regulation, high-risk behaviors, over/underachievement, and treatment-resistant depression and anxiety.
Though my clinical foundation includes extensive evidence-based training, I find that
my work today is most alive in the relational space — in the
genuine, moment-to-moment connection between therapist and client.
Professional Affiliations
* Director of Membership, Board of Directors for the Santa Clara Valley Chapter of CAMFT, 2024
* Member of the Santa Clara Valley Chapter of CAMFT since 2022
* Member of the California Association of Marriage and Family Therapists (CAMFT) since 2016