Phoenix Polygraph Academy
Rising to New Heights in Truth and Integrity
Student Testimonials for our Advanced Course
For any examiner that comes back to the advanced course, Sandy is always up to date with the most current research done in the field and explains the “why” procedures are done up to date. I could not be more thankful for all of the instructors on Sandy’s team, and there is a reason why Sandy’s training program stands out for anyone in the field of polygraph.
-J.R., Geauga County Sheriff’s Office
Under the leadership of Director Sandy Dunn, and her incredibly knowledgeable instructors, I continue to be a better examiner. I just completed the 2025 Advanced Polygraph Examiner’s Course, and I obtained a wealth of relevant knowledge. The updated procedures, based on research backed protocol, was phenomenal. As I go back to my agency, my testing will now be that much better.
— Chris Maki
The Advanced Examiner's course is a must for any experienced examiner! Awesome to learn so much!
— Fritz Stols
Excellent training for Basic and Advanced training. Sandy is knowledgeable, experienced, and extremely helpful. You could not ask for better training. If you want the best polygraph training this is it!
— BB
Sandy Dunn’s training is among the best quality trainings I have ever participated in. The depth of instruction and, "best practices" approach left me with immense confidence in those areas that I received instruction. I would absolutely recommend Sandy and her team of experts for both initial and continued training!
— Jared Seig
I have just completed the advanced course run by Ms. Sandy.
This is a course in which a lot of thought was invested and during which many professional contents were conveyed in a professional manner.
The conditions of the place are very good - toilets, coffee and cookies, cold water and proximity to a number of restaurants.
I would like to positively note the extraordinary investment of the school and course director - Ms. Sandy. She does her work professionally and from the heart - and you can feel it.
— G. Segev
I had the privilege of attending the weeklong PCSOT training course with Director Sandy Dunn, and it was nothing short of outstanding. The training was comprehensive, up-to-date, and highly applicable to both new and experienced examiners.
A special thank you and recognition goes to Sandy Dunn, whose vast knowledge, professionalism, and unwavering integrity truly elevate the standard of polygraph training. Her ability to connect real-world application with research-backed instruction is unmatched, and her dedication to the advancement of our field is evident in every aspect of her teaching.
Whether you’re seeking your initial certification or you’re a seasoned polygrapher looking to sharpen your skills, I highly recommend Director Sandy Dunn. Too often, established examiners rely solely on conferences for continuing education. While valuable, they simply don’t compare to the depth and quality of targeted training provided by her polygraph school. Make the investment in yourself and the profession—attend a course here. You won’t regret it.
— Ramon Caraballo