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Meet the team



The top of the field

At Hands-on Diagnostics, our goal is to provide the most innovative testing technologies available to Physical Therapists, with the best training possible. To do this, we have assembled a team that represents top talents and achievers in their respective areas.

The result is a program where our franchise partners routinely double their income almost immediately, with the ability to support sustainable, expanding growth.


Created by PTs and Business Entrepreneurs for PTs

Dr. Dimitrios Kostopoulos

Dr. Dimitrios Kostopoulos


Dr. Dimitrios Kostopoulos, DPT, MD, PhD, DSc, ECS is board certified in Clinical Electrophysiology with over 30 years of clinical experience. He has also MD, DPT, PhD and DSc degrees. There are fewer than 200 electrophysiology specialists worldwide who have achieved a Doctorate of Science Degree (DSc) in Clinical Electrophysiology Testing. Dr. Kostopoulos is one of them.

The doctor is a Clinical Affiliate Assistant Professor for Charles E. Schmidt College of Medicine at Florida Atlantic University. He is a past member of SACE (Specialization Academy of Content Experts) for the ABPTS examination board on electrophysiology, an elected member of the Nominating Committee of the Academy of Clinical Electrophysiology of APTA, and an adjunct faculty member of Springfield College.

He is the editor of the Diagnostic Section of the Journal of Bodywork and Movement Therapies, and the author or co-author of numerous books, articles and research papers related to his fields of expertise.

Dr Kostas Rizopoulos

Dr Kostas Rizopoulos


Dr. Rizopoulos is a PT, a DPT and an MCMT. He also holds a doctoral degree with a focus in business administration, marketing, PR and management. With Dr. Kostopoulos, he successfully established and managed the Hands-On Companies, a consortium of companies in the areas of Physical Therapy, Diagnostic Testing, and Education.

During his extensive experience in diagnostic testing and manual therapy, Dr. Rizopoulos has treated more than 100,000 patients over the last 30 years, and performed thousands of ultrasound diagnostic tests.

He has also co-authored several books with Dr. Kostopoulos, and numerous articles for professional journals.

Mr. Craig Ferreira

Mr. Craig Ferreira


Mr. Ferreira is Chairman and CEO of Survival Strategies International, Inc. Survival Strategies is a top consulting and training company in the field of physical therapy and health care.

For more than 30 years, Mr. Ferreira and his team of consultants have worked with health care professionals, particularly physical therapists, to help them expand their practices and stabilize them financially.

Survival Strategies has worked with over 4500 professionals over time, training them in all aspects of the physical therapy business, from how to deal with cash flow problems from slow-paying insurance companies, to how to dramatically increase referrals. All of their training is customized to meet the client’s specific needs.


Part of the success of Hands-on Diagnostics is based on their top faculty and medical advisory board. These medical advisors contribute to HODS’ ability to stay at the front of new research. Each member of this board brings a specific and specialized skill or understanding to this endeavor.

Dr. Mark Brooks, DSC, PT, ECS, OCS

Dr. Mark Brooks, DSC, PT, ECS, OCS

Vice President of Clinical Education of HODS

Dr. Brooks has over 25 years of experience as a clinician, administrator and educator in the field of physical therapy. He received his bachelor’s and master’s degrees from University of Kentucky, and completed his doctorate in clinical electrophysiology at Rocky Mountain University in 2005. He is board certified by the American Board of Physical Therapy Specialties in both Clinical Electrophysiology and Orthopedics.

Dr. Brooks has worked as a physical therapist in many settings, including outpatient, acute care, home health and long-term care.

His teaching experience includes the University of Kentucky, University of Indianapolis, Midway College and Somerset Community College. He was one of the first instructors in Rocky Mountain University’s transitional DPT program, and has also taught numerous continuing medical education courses.

Dr. Brooks is responsible for all clinical education at HODS.

Dr. Mohini Rawat DPT, MS, CMP, RMSK, ECS

Dr. Mohini Rawat DPT, MS, CMP, RMSK, ECS

Director of MSKUS Studies

Dr. Rawat is a board certified Electrophysiology Specialist with the ABPTS and registered with ARMDS® (the American Registry for Diagnostic Medical Sonography®) for musculoskeletal sonography.

Dr. Rawat actively conducts research on Clinical Electrophysiology and Musculoskeletal Ultrasound Imaging, with published results.

Dr. Rawat is a member of the APTA , the NYPTA and the ACE (American Congress of Electroneuromyography), and serves in the Musculoskeletal Ultrasound Imaging Special Interest Group of the Orthopedic Section. 

Dr. Chirag Upreti

Dr. Chirag Upreti

Director of Research

As Director of Research, Dr. Upreti’s goal at HODs is to create, support and conduct research in the areas of electrophysiological, neuro-musculoskeletal ultrasound imaging, and vestibular testing technologies, and to provide evidence of the proper application and utilization of these technologies in the field of diagnostics.

Dr. Upreti is a Research Associate in the Department of Neuroscience at Columbia University Medical Center, where he conducts ongoing research on the cellular and molecular mechanisms of attention, learning and memory processes. He has been conducting research in the field of neuroscience for more than a decade specializing in the field of neuroplasticity (the brain’s ability to adjust to changes in environment due to injury or disease).  His research has been presented in international conferences, and has been published in prestigious medical and science journals.

Dr. Intazam Khan, MD, Neurologist

Dr. Intazam Khan, MD, Neurologist

A distinguished neurologist for over 20 years, Dr. Khan has affiliations with NewYork-Presbyterian Weill Cornell Medical Center, Winthrop University Hospital, and North Shore University Hospital. He also has a thriving private practice.

His extensive knowledge in neurology and electrodiagnostic medicine makes him a valuable contributor to the HODS advisory board.

Dr Alexios Apazidis, MD,  Spine Surgeon

Dr Alexios Apazidis, MD, Spine Surgeon

Dr. Apazidis graduated from Harvard University with an AB Degree in Biology while simultaneously attending the Massachusetts Institute of Technology where he studied military science and received his officer’s commission in the United States Army. He obtained his MD and MBA from the Boston University School of Medicine. Dr. Apazidis has completed his Orthopedic fellowship training at New York University and the Hospital for Joint Diseases.

Throughout college and medical school, Dr. Apazidis was involved in molecular biology and clinical outcomes research. His research papers have been published in numerous prestigious journals. 

 Dr. Rick McKibben,  PT, DSc, ECS

Dr. Rick McKibben, PT, DSc, ECS

Dr. McKibben is a physical therapist and clinical electrophysiologist. He received his DSc in Clinical Electrophysiology from Rocky Mountain University, and his MS in Physical Therapy from North Georgia College.  He is board certified in Clinical Electrophysiology by ABPTS.

He has completed thousands of electrophysiologic studies, and has logged thousands of hours in peer review and administration for electrophysiologic testing laboratories. 

Ongoing research interests include severity in focal/mononeuropathies, retrograde axonal atrophy, the mixed median forearm nerve conduction study, short-segment median motor studies in CTS, and F-wave nomograms.  

Dr. McKibben serves as the chair for the APTA clinical electrophysiology practice group, and helped to establish the accreditation program for PTs.

In addition to being on the HODS advisory board, he is also a member of the HODS faculty.

Randy E. Moore DC, RDMS, RMSK

Randy E. Moore DC, RDMS, RMSK

Dr. Moore is a HODS faculty and a doctor of chiropractic who has devoted the last 25 years of his career exclusively to Musculoskeletal Sonography. During this time he has provided interpretation of over 20,000 ultrasound examinations, worked as a consultant for many ultrasound manufacturers utilizing his teaching method to help all practitioners become proficient in MSK ultrasound in as little time as possible.

Dr. Moore has published two books designed to be convenient, easy to understand and implement for MSK sonography. One for developing scan protocol skills, and another for the most common ultrasound guided injections.

Jun Kimura, MD

Jun Kimura, MD

Emeritus Professor of Neurology University of Iowa

Dr. Kimura is regarded as the pioneer of Clinical Electrophysiology Testing with over 700 article, book and chapter publications in the field over 50 years of clinical and academic work.

His best selling book “Electrodiagnosis in Diseases of Nerve and Muscle: Principles and Practice ” is considered as the bible of electrophysiology testing. Dr. Kimura is an associate faculty for HODS teaching advanced techniques during the HODS symposiums.

David Greathouse PT, PhD, ECS, FAPTA

David Greathouse PT, PhD, ECS, FAPTA

Dr. Greathouse is serving as a HODS curriculum consultant for the HODS Residency developing program in Clinical Electrophysiology.

He is currently the Director of Clinical Electrophysiology Services, Texas Physical Therapy Specialists, New Braunfels, TX. Dr. Greathouse holds a BA in biology and physical education from Marshall University, a Certificate in Physical Therapy from the D.T. Watson School of Physiatrics, and a MS (Education/Physical Therapy) and PhD (Anatomy) from the University of Kentucky. Dr. Greathouse is a Diplomate, American Board of Physical Therapy Specialties. Dr. Greathouse was named a Catherine Worthingham Fellow of the APTA in 2006.

He has published hundreds of papers in the field of Clinical Electrophysiology.



Larry Head is a distinguished professor of Evoked Potential studies and leads the Evoked Potential training program of HODS.

He is the recipient of ASET’s prestigious Theda Sannit Outstanding Educator Award, Recipient of ASET’s prestigious Maureen Berkeley Award for Outstanding Authorship of a Journal Article and ABRET Board Certified in EEG, Evoked Potentials, and Intraoperative Monitoring (R.EEG/EPT, CNIM).

He has 30+ years of experience in electroneurodiagnostic testing and he is Past President Michigan Society of Electroneurodiagnostic Technologists.