Physics Consultants: 4

Howard J. Cohen, PhD, has over 30 years of experience in Software Engineering, Architecture and Implementation. He possesses particular expertise in Algorithms, Relational Databases, Graphical User Interfaces (GUIs) and Software Applications in general. His experience has been in a broad spectrum of technology, in several languages, in a wide variety of applications, and on multiple platforms. Dr. Cohen's background includes Electronic Design Automation, Bioinformatics, Digital Cartography, Banking Systems for Foreign Exchange Traders, and many more. He is the co-inventor on approximately 120 patents.

Since 1979, Dr. Cohen has served as a Software Development Consultant to several major Silicon Valley businesses including Nortel Networks, Surromed, Incyte Genomics, BomDiver, Canon Information Systems, WeatherNews, PetroSoft, LSI Logic, Aspect Development, Abbott Laboratories, ETAK, Engineering DataXpress, Nikon Precision, Diasonics, Daisy Systems, Rolm, Oceanroutes, Mindcraft, and Integrated CMOS Systems. Concurrently, he has also held full time senior engineering and management positions with such companies as Tibco, Zycad, ETAK, and the NASA Ames Research Center.

Dr. Cohen's Consulting Services are available to companies needing software development involving problem definition, analysis, design modeling, documentation, programming, and implementation. Consulting services are also available issues regarding Trade Secrets, Copyright and Patent Infringement, and Computer Software Security and Forensics.

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Dr. David W. Riley is an Extrusion Analysis & Plastics Rheological Consultant. Dr. Riley has spent over nineteen years as a consultant in the field of Plastic Processing. He has over forty years of experience in developing Polymer Defect Technology and fifteen years in developing the field of Plastic and Polymer coefficient of friction related to the feed section of the extruder.

Areas of Expertise:

• Expert Witness
• Analytical Instrumentation Adaptation to Processing Equipment
• Friction Analysis
• Melt Rheology
• Extrusion Equipment: Design & Analysis of Production
• Telecommunication Cables and Insulation
• Power Cables and Testing XLDPE
• All phases of PVC Compounding & Extrusion
• Thermal Stability of Polymers
• Surface Chemistry, Metals & Polymers

COMPANY DESCRIPTION:

• 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 the Chief Medical Physicist & Radiation Safety Officer (RSO) in Radiation Oncology at a clinic in Indiana. 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.

Chief Gossman is the highest-ranking scientist in medicine and has been in the field for 24 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, Chief Gossman 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, served four years as a Medical Consultant to the U.S. Nuclear Regulatory Commission, and was a veteran Accreditation Site Reviewer for both the American College of Radiology (ACR) and the American College of Radiation Oncology (ACRO). He was a 2-term Ohio River Valley Chapter President of the AAPM, and was also formerly a Graduate School Professor of Clinical Medical Physics at Wright State University.

As an expert in radiation safety, dosimetry, detector measurements, particle accelerator and radioactive material calibrations, and radioactive material handling, Chief Gossman is a highly respected medical physicist by medical physicists nationally. He is also the owner of Regulation Directive Medical Physics, which he created as a consulting company, providing services for medical physics, dosimetry, medical device testing, and expert witness efforts.

Services Provided:

• 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
• Dosimetry
• 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

Award winning, Oxford Educated scientist whose areas of expertise include medical imaging, electronics, semiconductors, medical devices, sensors, MEMS, signal processing and image processing. Dr Daft has deposition and trial testimony experience. Extensive Intellectual Property experience including patent development, analysis, licensing, and litigation. Serial inventor who holds 23 U.S. Patents with several pending. Completed more than 98 hours of SEAK Expert Witness Seminars, including patent-specific training. Diverse industry experience including multi-nationals such as GE, Medtronic, Fujifilm, Samsung and Siemens as well as several start-ups. Well published. Winner of grants from National Institute of Health. Extensive international consulting experience. IEEE (Institute of Electrical and Electronic Engineers) Senior Member since 2004. Three years’ experience teaching electrical and computer engineering at the University of Illinois. Holds BA and MA in Physics from Oxford University as well as Doctorate from Oxford in Materials Science.

View Dr. Christopher Daft's Expert Witness Profile.