Meet the Staff


Tiffany Herbert, Ph.D. (she/her/hers) 
Interim Director

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. 

Nathan Edwards, Psy.D. (he/him/his)
Licensed Psychologist                                                                                                   

PsyD in Clinical Psychology from Pepperdine Graduate School of Education and Psychology

Clinical Areas of Interest/Specialty: mindfulness, emotion regulation, trauma related concerns, men’s issues, multicultural issues and cultural identity exploration, relationship and relational concerns.

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

PhD 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) 
Psychological Counselor                                                                                               

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

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

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

Connie White-Betz, Ph.D. (she/her/hers)  
Licensed Psychologist                                                                                                      

PhD in Counseling Psychology from the University of Southern California

Clinical Areas of Interest/Specialty: psychodynamic and cognitive therapy, depression, anxiety, panic attacks, ADHD, adults returning to college, students with family and/or relationship issues 


Joseph N. Ortego, M.D. (he/him/his)
Board Certified in Psychiatry and Neurology

MD in Psychiatry from Louisiana State University of Medicine


Laura Castillo (she/her/hers) 
Assistant to the Director

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

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


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

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

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