

Whether you're grieving a parent, partner, sibling, or friend, Headway's Los Alamitos network of warm and empathetic providers can help you process loss and find meaning. We offer Acceptance and Commitment Therapy, Prolonged Grief Disorder Therapy, and supportive counseling tailored to your unique experience.
Demetric “Dee” Marsh, LCSW, JD, is a dedicated behavioral health professional with over 25 years of experience in the mental health field. She is a multistate licensed Licensed Clinical Social Worker and holds a Juris Doctor degree from the Jacob D. Fuchsberg Law School in New York. She earned her Master’s degree in Social Work from Adelphi University, with a specialization in mental health and addictions, and holds a Bachelor’s degree from Hofstra University in Sociology with a minor in Political Science and French Language/Culture.
Dee has extensive experience working in a variety of roles, including psychotherapist, program director, clinical supervisor, adjunct professor, and consultant. She also provides LCSW clinical supervision. Her practice includes working with individuals, families, couples, and groups.
She specializes in a wide range of areas, including anxiety, depression, trauma, stress management, addictions, grief and loss, workplace and employment issues, women’s issues, diversity and cultural concerns, spirituality, and court-related assessments and recommendations, as well as foster care and adoption-related services.
Dee believes in meeting each client where they are and tailoring treatment to their unique needs. She is committed to creating an inclusive, safe, and supportive environment that fosters trust, healing, growth, and a strong therapeutic alliance.
I specialize in helping individuals navigate life transitions, anxiety, depression, narcissism, codependency, people-pleasing, and trauma. My approach is client-centered and collaborative, tailored to your specific needs and goals.
I’m a bilingual Licensed Marriage and Family Therapist who provides therapy in both Spanish and English, from colloquial to professional levels. My work has included supporting individuals facing HIV/AIDS-related challenges, domestic violence, substance use, loneliness, suicidal thoughts, dual diagnosis, sexuality-related concerns, aging-related issues, and the broader impact these experiences can have on families and support systems. Across community, academic, and clinical settings in Mexico and the U.S., I’ve built a strong foundation in helping people navigate both personal suffering and societal distress.


Headway makes it easy to find a therapist who can support you through loss — from finding the right provider, to understanding costs, to scheduling with ease.
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