Meet the Staff

Director, Licensed Psychologist PSY26022
annaguerin@CalLutheran.edu
805-493-3727
Dr. Guerin is a licensed psychologist who received her Bachelor of Arts Degree in Psychology from the University of California, Los Angeles, and her Master of Science degree in Educational Psychology from the University of Nevada, Las Vegas. Prior to obtaining her doctoral degree, Dr. Guerin worked in a non-profit, engaging in outreach work in local schools to reduce bullying and cyberbullying, and increase cultural awareness. Dr. Guerin received her Doctor of Psychology degree in Clinical Psychology from the California School of Professional Psychology, Alliant International University. Her experience includes: providing direct clinical services in an array of settings; including school-based, inpatient, residential, field capable services and outpatient services. Her clinical experiences includes supporting complex trauma, co-occurring substance use concerns, attachment and early childhood exploration, anxiety, depression, concerns around self-esteem, as well as anger and crisis management. Dr. Guerin's clinical approach is Integrative, with a strong foundation in Psychodynamic, and Attachment-based perspectives.

Staff Psychologist, Licensed Psychologist PSY35800
rdcornejo@CalLutheran.edu
805-493-3727
Pronouns: He/him/his
Dr. Ricardo Cornejo received his Bachelor of Science degree in Psychology, Master
of Science degree in Clinical Psychology, and Doctorate degree in Clinical Psychology
from California Lutheran University. He completed an APA Doctoral Internship at The
University of Notre Dame University Counseling Center.
Dr. Cornejo uses a Dialectical Behavior Therapy informed approach and has clinical interest in anxiety, depression, substance use, interpersonal concerns, developmental disabilities, as well as suicide and self-harm.

Staff Clinician
erikajackson@callutheran.edu
805.493.3727
Dr. Jackson received her Bachelor of Arts degree in Psychology from Shaw University, a historically Black college in Raleigh, North Carolina. She received her Master of Social Work (MSW) degree from California State University, Long Beach and her Doctorate degree in Clinical Psychology with an emphasis in Marital and Family Therapy from the California School of Professional Psychology, Alliant International University. Dr. Jackson completed a CAPIC-accredited pre-doctoral internship at the Youth Reporting Center in Anaheim.
Dr. Jackson’s previous experience and training includes: university counseling, collaboration with the Department of Probation while working in juvenile detention centers, community mental health, and private practice settings. Using a Cognitive-Behavioral Therapy approach, Dr. Jackson’s clinical interests include: working with underserved populations, multicultural concerns, BIPOC concerns, trauma, anxiety, depression, and interpersonal, as well as relationship concerns.

Practicum Clinician
tyler.tulman@callutheran.edu
805.493.3727
Tyler is a third-year doctoral student in the Clinical Psychology PsyD program at California Lutheran University. She completed her undergraduate studies in psychology at the University of Nevada, Las Vegas (UNLV) and went on to earn her Master’s degree in Clinical Psychology from California State University, Northridge (CSUN).
Tyler's previous clinical training took place at a community counseling center, where she worked with a diverse range of clients. In her practice, she primarily draws from a cognitive behavioral therapy (CBT)-informed approach, while also integrating other therapeutic perspectives to best meet the unique needs of each client. Tyler strongly values flexibility in therapy and believes that an integrative style allows for more personalized and effective care.
Tyler is deeply passionate about supporting individuals in their growth and well-being, with a particular interest in working with emerging adults as they navigate life transitions and identity development. Tyler is especially excited for the opportunity to work with the undergraduate population at Cal Lutheran and looks forward to fostering a collaborative and supportive therapeutic environment.

Practicum Clinician
makenah.biscoe@callutheran.edu
805-493-3727
Makenah is a third-year doctoral student in the Clinical Psychology PsyD program at California Lutheran University. She completed her undergraduate studies in psychology and received her Bachelor's Degree at California Lutheran University (CLU).
Makenah's previous clinical training took place at the CLU Community Counseling Center, where she worked with a diverse range of clients. In her practice, she primarily draws from a cognitive behavioral therapy (CBT)-informed approach, while also integrating other therapeutic modalities to best meet the unique needs of each client.
Makenah cares deeply about supporting individuals in their growth and overall well-being, with a particular interest in working with kids, adolescents, and emerging adults as they navigate various life events and challenges. Makenah is very passionate about working with clients from underserved communities. Makenah is excited for this opportunity to work with the undergraduate population at Cal Lutheran and looks forward to upholding a collaborative and supportive therapeutic environment.

Practicum Clinician
adam.seal@callutheran.edu
805.493.3727
Adam received his bachelor’s degree in Psychology from the University of San Diego,
his master’s degree in Child and Adolescent Clinical Psychology from the University
of Washington, and is currently pursuing his Doctorate in Clinical Psychology at Pepperdine
University. He has been involved in education and social service programs up and down
the west coast for over a decade with a demonstrated history of working in diverse
and marginalized communities across a variety of settings.
Adam’s work history has informed his clinical practice, taking an integrative, holistic,
and client-centered approach to treatment, grounded in humanistic theory and Dialectical
Behavioral Therapy (DBT). He values authenticity in the therapeutic relationship,
believing that genuine connection cultivates trust and meaningful change. He recognizes
the unique stories that every person carries and attempts to cater services to meet
the needs of the individual. Whether it be supporting the development of DBT skills
to better navigate life’s challenges, or helping individuals work towards a deeper
understanding and comfort with themselves, Adam is dedicated to fostering personal
growth and resilience in those he has the privilege of working with.
MSW Practicum Clinician
christylinder@callutheran.edu
805.493.3727
Christy is a dynamic professional with a diverse background in both athletics and as a professional. She earned her Bachelor's degree in Marketing from Michigan State University, where she also excelled as a member of the Women's Gymnastics Team. With sports playing a pivotal role in shaping her career, Christy has worked as a gymnastics coach, a sports photographer, and she holds a 200-hour yoga teacher certification.
Currently, Christy is expanding her expertise by pursuing a Master's in Social Work (MSW) at Capella University and serving as a practicum clinician at CLU. Her ambition is to obtain her License in Clinical Social Worker (LCSW), and focus on making a positive impact in the lives of children, youth, teens, and young adults.

Peer Health Educator-CAPS
Mia Calderon is a senior undergraduate student at California Lutheran University.
She is pursuing a Bachelor of Arts degree in Psychology with an emphasis in Sports
Psychology. Mia was on her varsity basketball team in high school and played intramural
basketball at CLU her freshman year. She has coached a youth nonprofit travel basketball
team and has also volunteered at The Help Group in Sherman Oaks. Her intended career
is to become a sports psychologist for any sports organization and open up her own
private practice.
As a Peer Health Educator-CAPS, Mia will be supporting with outreach events related
to wellness and mental health, supporting with providing information about wellness
resources on campus, and coordinating outreach efforts to increase well-being. The
Peer Health Educator-CAPS role is a non-clinical role.