Engage Psychological Services, Inc supports and brings together a group of highly qualified and compassionate clinicians in their separate and independently operating private practices. 

Samantha Tamburro
Psy.D., Co-Founder
Dr. Samantha Tamburro is a founding partner of Engage. She is a licensed Clinical Psychologist and has been working in the Conejo Valley for 20 years. Dr. Tamburro graduated with bachelor’s and master’s degrees in psychology from the University of Southern California.  She received her doctorate degree from Pepperdine University.  Dr. Tamburro works with children, adolescents, and adults who are struggling with a range of
Trevor Reynolds
Licensed Marriage & Family Therapist, Co-Founder
Trevor is a founding partner of Engage. He is a Licensed Marriage and Family Therapist who has worked with adolescents and families in the Conejo Valley for more than 17 years. His areas of focus are working with adolescents, young adults, families, and people with anxiety, depression, chemical dependency, and co-dependency. In addition to being a prominent relationship therapist, Trevor is an adjunct faculty member
Tamika Mazariego
Licensed Marriage & Family Therapist
Tamika has been providing therapeutic support for children, teens, and their families in Ventura County for the last ten years. She received her Bachelor's degree in Psychology from California State Northridge and her Master's degree in Clinical Psychology from Antioch University in Santa Barbara. Prior to joining the Engage Team, she spent time working with women struggling with substance abuse in an inpatient treatment program
Samuel C. Morrow
Licensed Marriage & Family Therapist
Sam is a Licensed Marriage and Family Therapist with experience working with adolescents, young adults, parents, and families. Sam earned his Masters Degree in Psychology from Phillips Graduate University with a concentration in Postmodern Therapy and holds a Bachelors degree from University of California Santa Cruz. In private practice, Sam is passionate about working with the LGBTQ+ community, utilizing strength-based and humanistic approaches to counseling. Sam
Colin Keller
Licensed Marriage & Family Therapist
A Los Angeles native, Colin Keller received a Master’s Degree in Clinical Psychology from Antioch University, specializing in conflict-related trauma. He received his Bachelor of Arts degree from the University of California at Santa Cruz. Prior to Engage, he worked in a community-based mental health program in Los Angeles providing individual psychotherapy, group therapy, assessment, and crisis intervention. After 15 years working in business development,
Kelly Nicassio
Licensed Marriage & Family Therapist
Kelly is a Licensed Marriage and Family Therapist who specializes in working with children, adolescents and families. She holds a Bachelor of Arts degree in Communication from California Lutheran University, as well as a Masters of Science degree in Counseling Psychology, with an emphasis in Marriage and Family Therapy, from California Lutheran University. Kelly has experience treating children and adolescents with a variety of concerns, including
Summer Gaynor
Licensed Marriage & Family Therapist
Summer Gaynor has been working in the field of mental health and recovery for over 6 years. Summer obtained her Masters in Clinical Psychology with an emphasis in Marriage and Family Therapy from the Chicago School of Professional Psychology. Her initial four years of experience in the field of mental health were obtained at a residential
Pam Ness
Licensed Clinical Social Worker
Pam is a Licensed Clinical Social Worker who has been with Engage since 2016. She has a Bachelor’s degree in Education and Social Policy from Northwestern University, and a Master’s degree in Social Work from the University of Chicago. Over the past twenty-five years, Pam has worked extensively within both community mental health and medical settings with children, teens, and adults. In private practice, Pam
Carrie Hastings
Psy.D, CMPC, Licensed Clinical and Sport Psychologist, LA Rams Mental Health Clinician
Dr. Carrie Hastings is a licensed clinical and sports psychologist and mental health clinician for the Los Angeles Rams. She specializes in sport psychology, neuropsychological and psychological testing, and individual therapy for all ages. Dr. Hastings is a graduate of the University of Notre Dame, where she was a hurdler and sprinter on the track team. She obtained her master’s and doctoral degrees in Clinical
Melanie Watson
Licensed Marriage & Family Therapist
Melanie is a Licensed Marriage and Family Therapist, who works with adolescents, young adults, and adults dealing with issues of anxiety, depression, trauma, relationship issues, and life transitions. In addition, Melanie provides family therapy for clients in Engage’s PHP and IOP treatment programs. Melanie’s work is guided by the belief that every client has the capacity and internal strength to change and grow. Her role
Andrew Cohen
Licensed Marriage & Family Therapist
Andrew joined the Engage team in 2017.  Andrew received his Bachelor’s of Arts degree in Psychology from the University of California, Los Angeles (UCLA) followed by a Master’s of Science degree in Counseling Psychology, with an emphasis in Marriage and Family Therapy, from California Lutheran University (CLU). He began to hone his therapeutic skills in a community clinic where he provided individual and family therapy
Nino Yniguez
Licensed Marriage & Family Therapist
Nino received a Master’s Degree in Clinical Psychology from Pepperdine University’s Graduate School of Education and Psychology. Prior to receiving this degree, he attended San Diego State University where he received a Bachelor of Science degree in Clinical Psychology. He has worked in the San Fernando Valley for the past four years in various treatment settings: residential treatment, high school counseling, intensive outpatient and in-home
Kimberly Yudt
Licensed Clinical Social Worker #100960

Kimberly’s practice focuses on the healthy development and mental wellness of children, teens, young adults, and their families. Kimberly takes an integrative and collaborative approach to creating a safe environment for individuals to explore their innermost thoughts, emotions, and life challenges.  Kimberly gives thoughtful consideration to each person’s unique set of strengths and opportunities for growth when creating individually-tailored approach plans. She integrates traditional

Justin Strock
Licensed Marriage & Family Therapist
Justin is a licensed Marriage and Family Therapist whose practice includes working with adolescents and families with an interest in treating anxiety and depression. Justin currently maintains a private practice in Westlake Village and West Los Angeles. He has a diverse clinical training history and has been able to work with adolescents and their families in various settings including community mental health, probation departments and
Katie Busse
Licensed Marriage and Family Therapist #122230
Katie helps teens, young adults, and families work through a wide range of challenges. She has a passion for helping others manage worry, perfectionism, and stress, such as for those who may be high-achieving or gifted. Katie strives to create a therapy environment that is collaborative, calm, honest, and flexibly-structured. With an emphasis on fostering confidence and personal autonomy, she works closely with clients and
Brooke Saul
Licensed Marriage and Family Therapist
Brooke is a Licensed Marriage and Family Therapist who strives to support teens and young adults in developing the skills and insight to overcome anxiety and depression related to life transitions, adjustment to familial/social stressors, grief, and traumatic experiences. Brooke’s therapeutic style includes a strength-oriented approach that blends psychodynamic and cognitive-behavioral therapies in order to support her clients in embracing authenticity, improving self-esteem, and developing decision-making skills aligned with
Irma Sommerfeld
Licensed Clinical Social Worker
Irma grew up in Detroit, Michigan and got her BA from the University of Michigan. She earned her Masters of Social Work at the University of California at Los Angeles. Over the years she has worked as a therapist and group leader in a variety of inpatient and outpatient settings. She currently works with individuals of all ages who are struggling with various forms of
Bijana Bailleres
Registered Associate Marriage and Family Therapist #120434, Supervised by Pam Ness, LCSW
Bijana completed her bachelor’s and master’s degrees in Clinical Psychology at Pepperdine University with high distinction. She began her work in the mental health field as a Clinical Assistant at a dual-diagnosis residential treatment center for adolescents in Malibu, California. She remained there for 3 years while completing her bachelor’s degree. Bijana went on to work at Counseling Partners of Los Angeles through her master's