All Instructors

Dorthy V. Tyo
Hypnotherapy Instructor
Owner and lead instructor for Palo Alto School of Hypnotherapy. Hypnotherapist, speaker, program developer, intuitive counselor, radio host, and developer of GEMT (Guided Empathy Meridian Tapping).


David Wilson
Hypnotherapy Instructor
Instructor for the Palo Alto School of Hypnotherapy since 2005 in curriculum: Hypnotherapy 101, Clinical Hypnotherapy, Advanced Hypnotherapy. Also teaches workshop and course, Ericksonian Hypnosis which David Wilson developed and instructs.


Isabela Delcourt
Spanish Hypnotherapy Instructor
She has a private practice in Santa Clara and has been teaching professional hypnotherapy in Spanish at the Palo Alto School of Hypnotherapy since 2009.


Arleen Patterson
NLP Instructor
Arleen is a Master Hypnotist and is the Neurolinguistic Programming teacher for PASOH. She’s also a HypnoBirthing Practitioner and Regression Hypnotherapy Specialist.


Bob Ranche
GEMT Instructor
Certified Hypnotherapist with all of this school’s training courses including the Master’s Program. Instructor and co-founder of GEMT with Dorthy Tyo.


Lisa Petrocchi
Administrative Director
Lisa is Administrative Director at the Palo Alto School of Hypnotherapy. She manages their Master and Community Outreach Programs.