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
mbuffaloe@csudh.edu

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)
Postdoctoral Fellow
@csudh.edu

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
@csudh.edu

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 
@csudh.edu

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
@csudh.edu

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)
Psychological Counselor
@csudh.edu

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
@csudh.edu

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

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

PsyD 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)
Board Certified in Psychiatry
@csudh.edu

MD in Psychiatry and Neurology from Louisiana State University of Medicine

Clinical Areas of Interest/Specialty: general adult psychiatry

Josephine Lara, MPH, CHES® (she/her/hers)
Mental Health Education Assistant
@csudh.edu

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
@csudh.edu

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