Dedicated Faculty Mentors

School of Behavioral Sciences Faculty

The faculty mentors in CalSouthern’s School of Behavioral Sciences are skilled and experienced clinicians as well as dedicated, responsive and highly credentialed educators.

They will be there for you—via phone, email or Skype—to answer any questions you may have and to help you master the course material. And, equally important, they will help you take the concepts you learn and apply them to resolve challenges commonly faced in clinical practice today.

CalSouthern’s faculty mentors are positive, encouraging and supportive—and entirely dedicated to your academic and professional success.


Guy Du Plessis, MA

Faculty Mentor, Behavioral Sciences

Areas of Interest and Expertise
Application of integral theory in addiction treatment and recovery, existential philosophy and psychotherapy, the holism theory of Jan Smuts, integrative meta-theory of addiction

Guy du Plessis has worked in the addiction treatment milieu for more than 15 years as a head of treatment, clinical director, program director, counselor, trainer, and program developer. In addition to his position as a faculty mentor at CalSouthern, he is the managing director and co-founder of the Integral Recovery Institute, and a researcher at Momentum Mental Healthcare South Africa.

Guy has published several articles on the application of Integral Theory in addiction treatment and research, and is the author of the book An Integral Guide to Recovery: Twelve Steps and Beyond. Guy is the developer of the Integrated Recovery model and the Integrated Recovery therapy/coaching method. His main research interests are the application of Integral Theory in the fields of addiction treatment and research, existentialism, and Jan Smuts’ theory of holism.

Guy is a musician, avid reader and Zen student. His favorite activity is spending time with his beloved daughter Coco, who teachers him the joy and wonder of being in the world.

Educational Background

MA, University of South Africa, Tshwane, South Africa; BA, Psychology, University of South Africa, Tshwane, South Africa

Courses Taught
  • PSY 86511 - Alcoholism/Chemical Dependency


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