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Radiation Safety Expert Witnesses: 2
Management and Homeland Security
Dr. Hargreaves is a Brazilian emergency physician, holding an MA in Security Management (Webster University) and an MS in Political Science with a focus in International Terrorism. His passion for the field of Crisis and Disaster Preparedness having been engaged for some years as Director of the Medical Department at the Brazilian House of Representatives as well as the Emergency Coordinator of the Special Operations Unit.
His previous experience extends to planning and managing emergency response operations, disaster preparedness and homeland security, including five presidential inaugurations, mass gathering, sporting and entertainment events involving many celebrities and some official visits by Heads of State and other authorities.
In the Academic field, Dr. Hargreaves has lectured at different Universities and worked as a speaker in many conferences abroad. He also has many years of experience as a Professor and Academic Coordinator for several Graduate programs. He is the author of various books and articles in the field of disaster preparedness, crisis management, and Homeland Security.
Languages Spoken: Portuguese, English, Spanish, French (Basic) and Italian (Basic).
Areas of Expertise:
- Expert Witness - Medical malpractice, misadministration, medical event (Radiation Oncology, Radiology, Nuclear Medicine)
- Expert Witness - Radiation exposure, radiation dose, radioactivity and radiobiological calculations
- Expert Witness – Patent infringement (intellectual property all categories)
- Expert Witness – Medical physics, supervision of (medical physicist, dosimetrist, radiation therapist, radiologic technologist)
- Expert Witness - Termination of employment
Michael S. Gossman, M.S., DABR, FAAPM, is a Board Certified Qualified Expert Medical Physicist, an honorary Fellow of the American Association of Physicists in Medicine (AAPM), and currently the Chief Medical Physicist & Radiation Safety Officer (RSO) in Radiation Oncology at Tri-State Regional Cancer Center in Ashland, KY. Chief Gossman is extra-professionally an Accreditation Site Reviewer for the American College of Radiation Oncology (ACRO) and the American College of Radiology (ACR), was a 2-term Ohio River Valley Chapter President of the AAPM, and formerly a Graduate School Professor of Clinical Medical Physics at Wright State University. He is the highest ranking scientist in medicine and has been in the field for 17 years. Chief Gossman's expertise involves the safe, effective and precise delivery of radiation to achieve the therapeutic result prescribed in patient care by radiation oncologists striving to treat cancer patients with particle accelerators and radioactive material. Extra-professionally, he is retired as the Interim Editor-in-Chief and Editorial Board Member for the Medical Dosimetry Journal, Editorial Board Member for the Journal of Applied Clinical Medical Physics, and served four years as a Medical Consultant to the U.S. Nuclear Regulatory Commission. Chief Gossman is directly and ultimately responsible for all technical and scientific aspects of cancer treatment. He directly supervises and oversees efforts from staff medical physicists, dosimetrists, radiation therapists and x-ray technologists. As an expert in radiation detector measurements, particle accelerator and radioactive material calibrations, and radioactive material handling, Mr. Gossman is a highly respected medical physicist by medical physicists nationally. He is also the owner of the Radiation Oncology Medical Physics consulting company Regulation Directive Medical Physics, LLC and employed extraprofessionally as a Senior Managing Scientist at Exponent, Inc. for medical device testing and expert witness efforts.
- Medical expert witness
- Medical consultant
- Legal consultant
- Review of: medical event, malpractice, and misadministration
- Regulatory compliance
- Investigation and audits
- Independent medical evaluation of the probable deterministic effects of radiation exposures
- Facility practice vs. standards review
- Accreditation preparation
- Shielding calculations
- Accelerator acceptance testing & commissioning
- Quality assurance
- Peer review of the Chief Medical Physicist
- Radiation measurements
- Radiation calculations
- Radiation safety
- Dose determination
- Calibration of medical accelerators
- Treatment planning
- Calculation of time and dose for treatment
- Handling, shipping, receiving, and storing radioactive material
- Calibrating radioactive material
- Regulatory compliance
- Interpretation of bioassay results and other data related to radiation exposure
- Calculation of internal and external radiation doses, as necessary