Meet the Staff

Tiffany Herbert, Ph.D. (she/her/hers)
Interim Director
therbert@csudh.edu

PhD in Clinical Psychology from California School of Professional Psychology at Alliant International University

Clinical Areas of Interest/Specialty: Black women, marginalized students, organizational development, anxiety and depressive symptoms, helping students achieve full academic success

Mekeisha S. Buffaloe, Psy.D. (she/her/hers)
Psychological Counselor

Psy.D. in Clinical Psychology Multicultural Community from the California School of Professional Psychology (CSPP), Alliant International University, Los Angeles.

Clinical Areas of Interest/Specialty: Severe emotionally disturbed youth and adolescents, former and current foster youth, underserved and underrepresented populations including but not limited to LGBTQIA2+ community, first generation students, people of color (POC), transfer students, survivors of sexual assault and trauma, anxiety, depression, interpersonal relationship, identity development and life transitions.

Michael Fenske, Psy.D. (he/him/his)
Psychological Counselor

Psy.D. in Clinical Psychology from Azusa Pacific University

Clinical Areas of Interest/Specialty: Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, Acceptance and Commitment Therapy, depression, anxiety, trauma, eating-related behaviors, disability-related concerns, self-esteem, and attachment.

Marlene Garza, Psy.D. (she/they)
Licensed Psychologist

Clinical Areas of Interest/Specialty: identity development and exploration (cultural/racial/sexuality/gender), life transitions, intergenerational and historical trauma, emotional regulation, mindfulness, cognitive rehabilitation after brain injury (concussion/TBI), disability and chronic illness issues

Languages Spoken: Spanish

Katie Johnson, Ph.D. (she/her/hers)
Licensed Psychologist 

Ph.D. in Clinical Psychology from the California School of Professional Psychology 

Clinical Areas of Interest/Specialty: mood disorders, trauma-informed care, interpersonal and family relationships, multicultural counseling, women and gender-related difficulties, identity exploration, body-image and eating disordered behaviors. 

Sergio Mancilla, Psy.D. (he/him/his)
Psychological Counselor

Psy.D. in Clinical Psychology from University of La Verne

Clinical Areas of Interest/Specialty: LGBTQ+ community, first to go to college, cultural identity, grief and loss

Languages Spoken: Spanish

Norma Quintero, Ph.D., L.C.S.W. (she/her/ella)
Licensed Psychologist

Ph.D. in Clinical Psychology from Pacifica Graduate Institute; Master in Social Work from CSULB

Clinical Areas of Interest/Specialty: multicultural and multigenerational issues, traditionally disenfranchised communities (undocumented and mixed status, Black, Latinx, LGBTQI/A2+, Native American, Asian American, etc.)

Languages Spoken: Spanish

Monica Rosas-Baines, Ph.D. (she/her/hers)
Licensed Psychologist

Ph.D. in Clinical Psychology from the California School of Professional Psychology

Clinical Areas of Interest/Specialty: mood disorders, social anxiety, communication and relationship concerns, first-generation and non-traditional college students, multicultural issues, Latinx and immigrant mental health issues, AB 540 undocumented students, characterological therapy

Khiana Thomas, LPCC. (She/her/hers)
Psychological Counselor

Master of Clinical Mental Health Counseling from Walden University

Cognitive behavioral therapy, severe emotionally disturbed youth and adolescents, people of color (POC), multicultural counseling, interpersonal relationships, mood disorders, trauma-informed care, interpersonal and family relationships, and self-esteem.

Bruce Sterling Wallace II, Psy.D. (he/him/his)
Licensed Psychologist

Psy.D. in Clinical Psychology from The George Washington University

Clinical Areas of Interest/Specialty: psychodynamic, somatic (body-centered), relational, and attachment-oriented approaches to individual and group psychotherapy; impact of oppression/trauma on self-esteem and identity development; mental health of populations of the African Diaspora, mental health and Indigenous American populations; mental health and Latinx populations; peak performance; mindfulness, and the treatment of interpersonal issues

Joseph N. Ortego, M.D. (he/him/his)
Psychiatrist

MD in Psychiatry and Neurology from Louisiana State University of Medicine. Board Certified in Psychiatry.

Clinical Areas of Interest/Specialty: general adult psychiatry

Josephine Lara, MPH, CHES® (she/her/hers)
Mental Health Educator

Master of Public Health in Health Promotion & Disease Prevention from California State University Fullerton

Clinical Areas of Interest/Specialty: mental wellness, suicide prevention, stress & anxiety management, reproductive & sexual health education, parent-child sexual health communication, physical education, Latinx population

Languages Spoken: Spanish

Laura Castillo (she/her/hers)
Assistant to the Director
lcastillo@csudh.edu

F. Renee Gaston (she/her/hers)
Administrative Support Coordinator

Shāna S. Garrett (she/her/hers)
Administrative Support Coordinator