Marcelina Gates

Born and raised in Ventura County, Marcelina is a seasoned admissions expert with nearly a decade of experience working in a variety of mental health settings. She also worked in the addiction field as a Registered Addiction Specialist Intern and has extensive knowledge of substance use issues, eating disorders and working with co-occurring mental health problems. As a parent herself and someone in recovery, Marcelina knows firsthand the experience of making the call to ask for help, and as such she brings an incredible amount of empathy, compassion and understanding to her work. When she isn’t working, she enjoys spending time with her husband and her children aged 14 and 4. Marcelina also loves Disneyland, hiking, and going to the beach.


Dr. Nalin is a Licensed Clinical Psychologist, and Founder and Executive Director of Paradigm Treatment Centers, who has been a respected leader in the field of adolescent mental health for more than 20 years. He received his undergraduate degree from the University of Southern California, his Master’s degree from Loyola Marymount University, his Doctoral degree from Pacific University’s APA approved Clinical Psychology program, and completed his training at the University of California, San Diego’s APA approved psychology internship program.

Dr. Nalin has provided training and mentoring to students entering the field of psychology at institutions of learning including Pepperdine University’s Graduate School of Education and Psychology, UCSD, Pacific University, and Santa Monica College. He was also instrumental in the development of the treatment component of Los Angeles County’s first Juvenile Drug Court, which now serves as a national model.

Dr. Nalin has appeared as an expert on shows ranging from CBS News and Larry King, to CNN, The Today Show and MTV. He was also featured in an Anti-Drug Campaign for the Office of National Drug Control Policy (ONDCP).

Dr. Nalin is a Diplomate of the National Institute of Sports Professionals and a Certified Sports Psychologist as well as a Certified Chemical Dependency Intervention Specialist. He lectures and conducts workshops nationally on the issues of teen mental health, substance abuse prevention, and innovative adolescence treatment.

In 2017 Dr. Nalin was awarded The Sigmund Freud Foundation and Sigmund Freud University’s Distinguished Achievement Award in recognition of his work with youth in the field of mental health over the course of his career.