Founders and Management Team

David Hagedorn

David Hagedorn, Ph.D., BCN
Chief Executive Officer, Chief Science Officer, Founder

Dr. David Hagedorn is experienced in clinical health psychology and neuropsychology and serves as an international neuroscience and biofeedback research consultant and instructor. He is an Assistant Professor of Military and Emergency Medicine and Family Medicine at Uniformed Services University of the Health Sciences School of Medicine.

Dr. Hagedorn has master’s degrees in both Applied Behavior Analysis and Clinical Psychology, with a graduate specialty in Gerontology. He also has a doctoral degree in Clinical Psychology, with an additional Health Psychology Doctoral Certificate and postdoctoral training in neuropsychology. Dr. Hagedorn is Board Certified by the Biofeedback Certification International Alliance as an electroencephalography biofeedback practitioner. He is a recognized leader in the clinical neuroscience field with expertise in EEG and ERP acquisition, QEEG analysis, and brain computer interface (BCI) and portable peripheral biofeedback methods.

James Thompson, Ph.D., BCN
Chief Strategy Officer, Chief Technical Officer, Founder

Dr. James Thompson holds both a master’s degree and doctorate degree in Kinesiology (specializing in sports-related brain injury) and Psychophysiology from Pennsylvania State University. He also holds a Bachelor of Science degree in Human Kinetics (Athletic Training and Rehabilitation). He is a Certified Kinesiologist with the Canadian Kinesiology Association, board certified in Neurofeedback, and is an Associate Fellow of the Biofeedback Certification International Alliance.

Dr. Thompson has worked with many high-level athletic programs to improve neuro-safety and cognitive performance. These programs include Penn State ‘Nittany Lions football, hockey and rugby programs; the Bermuda National Junior Sailing Team; the Japanese Youth Curling Team; Canadian Junior Alpine skiers; and the Canadian Provincial Sailing teams. He also provided EEG consultation services to champion football clubs AC Milan and Chelsea Football Club. Dr. Thompson has been an invited speaker at international conferences in the United States, Canada, Mexico, and Europe. He has also published articles and book chapters in the areas of EEG, traumatic brain injury, sports-related concussions, and peak performance and biofeedback.

Nicole Hagedorn

Nicole Hagedorn, D.O., FACOOG, ABAARM, ACASP
Chief Medical Officer, Founder

Dr. Nicole Hagedorn is a graduate of the United States Military Academy at West Point where she earned the title of Commissioned Officer in the U.S. Army. She is also a graduate of the Michigan State University College of Osteopathic Medicine.

Dr. Hagedorn holds a certificate from the American Board of Osteopathic Obstetricians and Gynecologists (FACOOG) and has been in medical practice since 1998. She also holds advanced certifications from the American Board of Anti-Aging & Regenerative Medicine (ABAARM) and the American College of Anti-Aging Sports Medicine Professionals (ACASP). She is an expert in scientific bio-identical hormone applications and functional integrative medicine.


Marinela Gombosev
Executive Vice President of Operations and Marketing

Marinela Gombosev earned a Master of Business Administration from Pepperdine University and a Bachelor of Science in Electrical Engineering from the University of California, Irvine, where she was named Engineer of the Year at the Henry Samueli School of Engineering.

In 2013, Ms. Gombosev was honored as one of the leading business people in OC METRO magazine’s “Hot 25” list of influential leaders and innovators. In 2010, Ms. Gombosev was awarded the prestigious C200 Scholars award by the Committee of 200, a membership organization of the world’s most influential women entrepreneurs and corporate business leaders.

John Armstrong

John Armstrong
Executive Vice President of Commercial Operations

John Armstrong has 25 years of experience in various sales and marketing roles. Prior to joining Evoke Neuroscience, Mr. Armstrong served as Senior Vice President of Commercial Operations at Bentlin Products. He also served as Senior National Sales Director/Head of Sales at Accera, Inc., where he was responsible for leading the sales, training, and sales operations teams in the Alzheimer’s disease franchise. Mr. Armstrong has also worked at Bristol-Myers Squibb in a variety of sales leadership, sales, sales training, and marketing roles that focused on selling pharmaceutical products to doctors, hospitals, and clinics. Mr. Armstrong is a graduate of the University of Florida with a Bachelor of Arts degree in Political Science, and served in the United States Navy as a Cryptologist for four years.


Michael A. Repucci, PhD
Director of Engineering

Dr. Michael A. Repucci received a Ph.D. in neuroscience in 2004 from the Weill Graduate School of Medical Science at Cornell University for work on the nonlinear dynamics in the visual system. He has worked in the field of EEG data analysis since 1999, In his graduate work, he received extensive training in experimental and computational techniques, and significant experience in software design and development. In his subsequent work in several research laboratories and as an independent scientific consultant, he gained further experience in software development and statistical analysis, from work in finance on trading strategies to lead developer on the Spike Train Analysis Toolkit. He has created tools for scientific research with languages including C/C++/C#, Java, Matlab, and Python. In his recent work, he leveraged this strong background in neuroscience, computational methods, and software development to guide the design and implementation of novel brain-computer interface technologies at Neuromatters, and now leads the software development of the flagship QEEG and neurofeedback platform, the eVox System, at Evoke Neuroscience.

Gordon Smith

Gordon Smith
Director of IT

Gordon Smith has been a leader of technology organizations for over two decades. His experience includes technology staff and infrastructure management, software design and development, systems analysis, and project management. Mr. Smith is experienced in delivering intellectual property and infrastructure for startups, growing firms, and multinational corporations. Mr. Smith has worked at and performed consulting services for Goldman Sachs, Merrill Lynch, The New York Stock Exchange, and Towers Watson. He was also a member of the board of directors of Members Alliance Insurance.

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ISO 13485 CertifiedThe eVox system is a Class II medical device that has received Section 510(K) clearance from the FDA. It is intended for the acquisition, display, and storage, of electrical activity of a patient’s brain including electroencephalograph (EEG) and event-related potentials (ERP) obtained by placing two or more electrodes on the head to aid in diagnosis. The eVox System has the added capability to be used as a biofeedback device, where such an intervention is indicated.

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