Hannah Twomey

Hannah Twomey earned her Bachelor’s of Arts Degree in Psychology with an emphasis in Neuroscience from Saint Mary’s College of California. She worked as a Hurricane Relief Volunteer with youth who were impacted by Hurricane Maria in Puerto Rico. In that role Hannah interacted with the youth and explored the mental health resources that were available for those struggling in the hurricane’s aftermath. She also worked as a Health Promotion Volunteer with underserved youth. In this capacity, Hannah led activities that involved teaching students about the importance of staying healthy and active. She also led lessons that emphasized the importance of an active lifestyle and its positive impact on mental health. Hannah believes that teens should be supported and gently guided as they discover their unique path and passions. Hannah particularly enjoys supporting each and every Paradigm client’s journey towards healing and growth, and finds the process of working with clients to be deeply enriching and meaningful.


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.