Optimum Performance Institute

David James Johnson
MS, APCC

Therapist

License #: 15441

David holds a Master’s Degree in Mental Health Counseling from Georgia State University and is experienced in severe and complex mental health disorders.

Dr. Janet Atsumi Martin
M.D, PH.D

Psychiatrist

License #: A84437

Janet Martin, M.D., Ph.D. is a Board Certified (ABPN) psychiatrist with over 10 years of private-practice experience, committed to helping patients using psychotherapy and psychopharmacology.

Cristina Hernandez Paniza
LVN

LVN

License #: VN731645

Cristina has over 19 years of experience working in mental health.

Beradin Jezeh
LMFT

Therapist

License #: 132939

Beradin has been a therapist since 2015, using attachment theory and emotion-focused therapy as the foundation of her work.

Griselda Esquivias
LVN

Nurse

License #: 733234

Griselda Esquivias, LVN is a dedicated and compassionate nurse who has worked in a variety of healthcare settings serving clients of all ages and backgrounds.

Alexandra Elizabeth Bolton
ACSW

Therapist

License #: 114871

Allie is a Masters Degree holder in Social Work from USC and has experience in residential treatment.

Ali Lynn Griner
LMFT

Therapist

License #: 150353

I hold a Master’s degree in Clinical Psychology with an emphasis in Marriage and Family Therapy from Pepperdine University.

Jessica Anne Breton
MA, LMFT

Executive Director

License #: 47388

Jessica Breton is the Executive Director at the Optimum Performance Institute and has been with OPI since 2009, holding the positions of licensed therapist and Clinical Program Director.

Dr. Steven Khoubian Woodland Hills California Outpatient Clinic Embark Behavioral Health

Dr. Steven Khoubian
MD

Psychiatrist

License #: A1170853

Dr. Khoubian is originally from Los Angeles and received his bachelor’s degree in biopsychology at the University of California, Santa Barbara.

Dr. Mustafa Rehmani
DO

Psychiatrist

License #: 20A18419

Dr. Mustafa Rehmani is a child, adolescent, and adult psychiatrist in private practice providing mental health services in Los Angeles.

Katherine Elizabeth Atherton
LCSW

Therapist

License #: 118719

Katherine earned her master’s degree in Social Work from Brandman University after completing her undergraduate degree in sociology.

Your healing journey starts here.

Embark is the most trusted name in teen and young adult mental health treatment. We’re driven to find the help your family needs. If you’re looking for support, contact us today.

Call Now: 866-479-3050