About Neurogen Brain Balancing

A veteran owned and operated logo

Mission & Objectives

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Help Veterans

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Help Civilians

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Equip the military and clinicians with our technology.

Our mission - Helping those with mental health issues one brain at a time

Our Founder

Our founder, Master Gunnery Sergeant, Gregory L. Gillispie (Ret.), is committed to helping his fellow veterans, one brain at a time.


Master Gunnery Sergeant Gregory L. Gillispie retired after a distinguished 30-year career in the Marine Corps. The majority of Greg’s career was spent with the Marine Corps’ most elite units: Reconnaissance Battalions, Force Reconnaissance Companies, and other Special Operations Forces to include Naval Special Warfare command.

Gregory L. Gillispie

He was deployed overseas ten times with seven combat deployments in the Middle East. In 2007, Greg retired with multiple concussions, blast injuries, a Traumatic Brain Injury (TBI), and severe PTSD symptoms. Five years of traditional medical treatments and countless prescriptions were of little help, and he continued to struggle with chronic pain and many PTSD symptoms, including debilitating migraines.



In 2012, Greg volunteered to be patient zero in a brain study utilizing Neurogen’s HPN technology to treat veterans with TBI’s. He received ten treatments over three weeks, after which Greg’s symptoms virtually disappeared. Before and after brain scans confirmed the effectiveness of the treatments.


Inspired by his own phenomenal response, Greg dedicated himself to bringing Neurogen HPN’s life-changing technology to his fellow veterans.


In 2018, Greg co-founded Neurogen Brain Balancing with the express goal of helping combat veterans who have PTSD, for free.


Serving the greater community

Over time, success stories quickly spread from the veterans to their families and then out to the larger community. Knowing that anyone with a brain could benefit from Neurogen HPN, sharing it with everyone was the next logical step.


Today, Neurogen Brain Balancing proudly serves both military and civilians alike.

Our Team

Hand-picked by our founder, Gregory L. Gillispie, our team of dedicated technical advisors, doctors, and practitioners hold the highest ethical standards and share his passion to help veterans and civilians, one brain at a time.


All of us at Neurogen Brain Balancing stand ready to serve.

Dennis Yeatman

Dennis Yeatman

Chief Operations Officer

Our Chief Operations Officer and co-founder, Dennis Yeatman, is a Naval Academy graduate and retired as a Navy Commander after a distinguished 20-year career in the Navy. He has a MS in Business Administration from Boston University and 35+ years of practical business experience, including Naval Logistics, Bank of America and a leading US insurance company.


Dennis was an immediate believer in the benefits of Neurogen Brain Balancing. Just one session significantly improved the quality of life of his son who suffered from severe concussions sustained from five years in the NFL.

His focus with Neurogen is operations, standardizing procedures, sales, finance and systems support. Dennis is passionate about making Neurogen Brain Balancing available across the United States, and beyond.

Robert S. Rosen

Robert S. Rosen, MD, FAAO, MBA

Medical Director

Dr. Rosen is the Medical Director for Neurogen Brain Balancing and is a Board Certified Ophthalmologist.


Dr. Rosen first became aware of the unique problems facing our veterans when he taught surgery at the VA Hospital in San Diego, California, and at Ft. Cambell, Kentucky, where he performed LASIK surgery on members of the 101st Airborne. He observed firsthand, the suffering of our Gulf War and Vietnam veterans and was determined to help. Dr. Rosen is passionate about helping veterans overcome PTSD and he is committed to bringing Neurogen’s life-changing technology to all veterans suffering from PTSD.

He earned his Medical Degree from the University of Michigan and scored in the top 1% on Part 3 of the National Boards. He earned his MBA from Pepperdine University.


In addition to his vast medical background, Dr. Rosen has extensive clinical, corporate, and charitable foundation experience including FDA YAG Laser studies, the development of Visual Field Machines, and drug development studies. He was the Founder and Medical Director of the Pearle Eye Foundation which has impacted millions of people in 53 countries. He was President of the San Diego Eye Bank and President of the Southern Region of the National Society to Prevent Blindness.