Sex Therapy Training

Complete your Board Certification in Sex Therapy in less than a year and advance your practice to include treatment of sexual disorders, gender and orientation concerns, alternative lifestyles, and so much more!

What Makes STTI Different?

Addictions Therapy Training

Train with the ATTI experts to earn your CAP or MCAP in less than a year. Span the spectrum of addiction from alcohol to drugs to sex to gambling to co-dependence. Help your clients live in recovery and Connection!

Addictions Therapy Certification

Transgender Care Training

Transgender Care Therapists are needed in all locations to treat this underserved community. Join the leading experts with this 40-hour training and know that you will truly make a difference in people's lives!

Transgender Care Certification

Hypnotherapy Training

Incorporate Hypnotherapy into all aspects of your practice, from helping clients to quit smoking or lose weight, to treating anxiety, to healing from sexual abuse or other trauma.

Hypnotherapy Certification

Upcoming Training and Workshops


To: The Writer: Addict America"

After reading parts of your book "Addict America" it made things about drug-use and the way I think make since. Especially about our addict brain. Your book should be made apart of any recovery when it comes to...


Personally, I am very grateful because the book allowed me to visualize and reflect on the addictive processes present in my life, and helped me begin to identify the changes that I need to undertake in order to get more connected with God, with my...

Beatriz Capdevielle
I have found the training in the STTI Therapy Certification course that Dr. Carol Clark offers, to be extremely useful in my counseling position. I have a greater understanding of the challenges patients/clients face, the treatment approaches, and how...
Donna Silver
I wanted to energize my practice and improve client outcome and satisfaction. I was looking for a training program from which I could integrate and further develop my professional skills. I needed a fresh outlook that was backed by scientific evidence...
Joe Lupo
Thank you for creating such an amazing Sex Therapy Certification Program. STTI exceeded all of my expectations. In fact, this certification has helped me tremendously into my Human Sexuality Educational Company, where I constantly educate clients on...
Ileana M. Calderon
I would like to thank you for creating such an amazing Sex Therapy Certification Program. My original goal was to find a reliable sex therapy training institute where I could become an expert in the area of Human Sexuality in order to take my...
Satisfied Student
Addict America: The Lost Connection by Dr. Carol Clark

Addict America

The Lost Connection

Dr. Carol Clark

Read More Reviews on Amazon

Learn More Buy Now

Excellent Book

Easy to read, excellent content, helpful to understand the disease or its traits, present in all of us. Shows how important is to develop our spiritual selves.

Great Book

Dr. Carol Clark reveal much, imparts wisdom, offers us early memories... It's an incredible gift from a wise and self-reflective woman.

This Book is a Diamond

It is rare to come across a book that is life changing. The first time I read Addict America I had one of those, "Oh! I get it" eureka moments.