Celebrating 37 years of continuous service, the Hypnotherapy Academy of America has attracted students from all 50 states and 36 countries, offering unparalleled hypnotherapy certification training. On this page, you will see our hypnotherapy school history.

The National Institutes of Health (NIH) incorporated Lead Instructor Tim Simmerman-Sierra’s methods into a groundbreaking $3 million study on mind-body medicine. Hosted by the University of New Mexico Hospital, this research underscores the scientific credibility of the Academy’s methodologies. Only practitioners who acquired their hypnotherapy education from us were qualified to conduct the Integral Hypnotherapy® session utilized in this groundbreaking clinical research. 

Academy Co-Director and Instructor Ángela Simmerman-Sierra completed her Neuro-Linguistic Programming (NLP) Teacher Training with renowned NLP pioneer Robert Dilts. This milestone solidified the Academy's leadership in cutting-edge hypnotherapy and NLP education.

Tim Simmerman-Sierra advanced hypnotherapy research by completing Human Research Protections Training at the University Hospital and revising the Stanford and Harvard Hypnotic Susceptibility Scales at the NIH's request.

The Academy relocated from Santa Fe to a state-of-the-art facility in Albuquerque, NM, designed with expansive classrooms, abundant natural light, and numerous practice rooms to enhance hands-on skills development.

Ángela Simmerman-Sierra joined the Academy as Co-Director and Instructor, contributing her inspiring personal story of recovery through hypnotherapy. After a life-altering car accident in the 1990s left her blinded, Ángela’s recovery exemplifies the transformative power of hypnotherapy.

The American Council of Hypnotist Examiners awarded Tim Simmerman-Sierra for educational excellence, recognizing his contributions to advancing hypnotherapy education.

Dr. Robert Sapien, a graduate of the Academy’s program and a tenured medical professor, joined as an Associate Instructor and Practical Skills Coach. His integration of hypnotherapy into medical research and practice has been pivotal.

Tim Simmerman-Sierra was elected President of the American Council of Hypnotist Examiners, serving two terms and furthering the field of hypnotherapy.

Tim Simmerman-Sierra assumed ownership of the Southwest College of Hypnosis, relocated it to Santa Fe, and renamed it the Hypnotherapy Academy of America. Since then, he has exclusively served as the lead instructor.

Tim Simmerman-Sierra completed advanced training with Gil Boyne, transitioning to full-time private practice and leaving behind his paramedic career.

Tim Simmerman-Sierra began his professional hypnosis training, laying the foundation for a lifetime of dedication to the field.

Founded by Marlene Goebel, the school received state recognition as a hypnotherapy vocational institution. Later renamed the Hypnotherapy Academy of America, it has consistently delivered exceptional hypnotherapy education.