The Dosimetry School - Course Instructors

Dr. Gloria P. Beyer

  • Dr. Gloria P. Beyer is the Chief Medical Physicist of Medical Physics Services, LLC ("MPS") and its European subsidiary Medical Physics Services International, Ltd. ("MPSi").  MPS and MPSi provide commissioning services and implementation support for linear accelerators throughout the United States and Europe.  She received her Ph.D. in medical imaging from the University of South Florida in 2004 and is also the recipient of masters degrees in medical health physics (University of Florida) and in physics (Florida State University).  Prior to founding MPS in 2004, she had a decade of experience providing medical physics consulting services to various clinical practices.  Dr. Beyer also worked for Varian Medical Systems for four years and continues to teach courses for Varian. 

Dr. Antonella Fogliata Cozzi

  • Dr. Antonella Fogliata Cozzi is clinical research scientist at Humanitas Cancer Center and Research Hospital in Milan-Rozzano, Italy. The main topics of her professional work lie on new technologies in terms of evaluation and implementation, dose calculation algorithms, external beam treatment planning advances, portal imager dosimetry, evaluation of clinical studies.
    Trainings on clinical implementation of the new techniques are a very important share of her professional activities.

Dipl. Ing. (FH) Tino Ebneth

  • Tino Ebneth studied Medical Engineering at University of Applied Sciences in Gießen, Continuing Education as a Medical Physics Expert (MPE). He has clinical experience as a MPE in radiation therapy for several years, 2 years as a leading MPE.
    In 2008, Tino Ebneth joined the International Sales Team at PTW. Since 2014, he is head of the PTW Dosimetry School, responsible for contents and further development of the course programme.

Dipl. Ing. (BA) Rolf Eckert

  • Studied at University of Cooperative Education in Karlsruhe (Graduated Engineer (BA) for radiological protection). Since 1988 active at the PTW radiological calibration laboratory in the fields of calibration procedures and conduct of radiological QA.

Dr. rer. nat. Dipl.-Phys. Holger Georg

  • Studied Physics at Justus-Liebig-Universität Gießen, Trent University Peterborough (CA) and Albert-Ludwigs-Universität Freiburg. In 1999 he received his PhD from Albert-Ludwigs-Universität Freiburg. Dr. Georg has been working two years  as a software developer.
    In 2001, Dr. Georg became head of the PTW radiological calibration laboratory.

Dipl. Ing. Petra Heisler M.Sc.

  • Studied at Karlsruhe University, Continuing Education as a Medical Physics Expert (MPE) at Kaiserslautern University. Since 2005, Petra Heisler is active as a QA manager at the PTW radiological calibration laboratory.
    Petra Heisler is Accredited Person for the execution of metrological checks by means of comparative measurement with reference dosemeters.

Dipl. Ing. (BA) Thomas Heisler

  • Thomas Heisler studied Communications Engineering at Berufsakademie Karlsruhe. He spent years working in the medical products industry as a hardware developer, manager of international projects and product and application specialist in radiation therapy and nuclear medicine.
    In 2006, Thomas Heisler joined PTW acting as an interface between product development and production. In 2010 he was appointed Product Specialist in PTW's Technical Customer Support Department.

Dr. Geoff Heyes

  • trained at Durham and Birmingham Universities, and his PhD examined the biological effectiveness of low energy X-rays in mammography. He has worked as a clinical scientist for over ten years at the Queen Elizabeth Hospital in Birmingham, and has been the physics lead of the stereotactic radiosurgery programme since 2013. He has published a number of papers, including work with quantifying the PTW 1000 SRS array with Cyberknife.

Dipl. Ing. Jens-Thomas Jobs

  • studied Biomedical Engineering at Chemnitz University of Technology, followed by an education as Medical Physicist  (University of Kaiserslautern). In 1992, he joined the International Sales Team at PTW being responsible for sales areas in Germany, Mediterranean and Middle East and the Americas.
    Since 2003, Calibration Facility Sales & Project Manager, responsible for order acquisition, contracting processing and fulfillment.

Dr. rer. nat. Dipl.-Phys. Ralf-Peter Kapsch

  • Study of Physics and dissertation at Halle University, PostDoc at Max Planck Institute for Physics of Complex Systems in Dresden.
    Since 2000 research associate at the department "Dosimetry for radiation therapy and diagnostic radiology" at the National Metrology Institute of Germany (PTB), since 2004 head of the PTB research group "High energy photon and electron radiation".
    Since 2002 leading contribution at the German Institute for Standardization (DIN).
    Since 2001 expert at the German Accreditation Body (DAkkS) for dosimetric measurement quantities, since 2004 external consultant of the IAEA for the dosimetry of high energy photon and electron radiation.

Dipl. Ing. (FH) Rafael Kranzer

  • studied Medical Engineering at University of Applied Sciences in Gießen, Master thesis on validation of a small-volume ionization chamber at PTW-Freiburg.
    Since 2003 detector development at the PTW R&D department.

Dr. Hui Khee Looe

  • Studied Technical Physics at Carl von Ossietzky Universität Oldenburg, PhD in 2011.
    Medical Physics Expert at Pius-Hospital Oldenburg and member of the medical radiation physics research team headed by Professor Björn Poppe at Oldenburg University since 2008.

Dr. Hugo Palmans

  • Received MSc and a PhD in Applied Sciences at Ghent University, Belgium. He is currently Dosimetry Group Leader at MedAustron, Austria and Principal Research Scientist at the National Physical Laboratory, UK.
    His research activities focus on the development of improved dosimetry techniques for modern radiotherapy methods such as the use of small fields and complex photon beams, radioactive sources and proton and carbon ion beams.
    He is chairing an international IAEA/AAPM working group developing a code of practice for small field dosimetry.

Prof. Dr. Björn Poppe

  • is in charge of the Medical Radiation Physics Department at Carl von Ossietzky University in Oldenburg and Pius Hospital Oldenburg. He has been actively involved in the development of two-dimensional detectors and their application methods for more than ten years.
    Providing training to clinical users has always been an important part of his professional activities in this area.

Dr. Daniela Poppinga

  • Dr. Daniela Poppinga received her Master degree and PhD in Physics at the University of Oldenburg. She worked as a medical physics expert in the radiotherapy department of the Pius Hospital in Oldenburg and was a member of the medical radiation physics working group of Prof. Björn Poppe.
    Since 2018 she is project manager at PTW Freiburg.

Dr.-Ing. Christian Pychlau

  • Dr. Christian Pychlau studied Physics at Albert-Ludwigs-Universität Freiburg, Mechanical Engineering at TH Darmstadt and received his PhD in Mechanical Engineering in 1992.
    Also in 1992, he joined PTW-Freiburg. He started in the calibration lab and today still is head of the PTW Secondary Standard Laboratory (D-K-15059-01-00).
    Dr. Christian Pychlau is Managing Director at PTW-Freiburg since 1996.

Neil Robinson

  • Neil is the UK Applications and Technical Sales Manager for PTW-UK, and a registered Clinical Scientist. Qualifying in Therapeutic Radiography in 1984, Neil went on to work as a dosimetrist in treatment planning in the NHS in Portsmouth, UK and studied for an MSc in Medical Physics at UCL, London.
    After 33 years in the Health Service he has been with PTW since 2014.

Dipl.-Phys. Klaus Scheuring

  • Studied Physics at University of Tübingen and Freiburg. After Masters degree in 1988 he continued education as Medical Physicist at University of Kaiserslautern in 2004.
    Klaus Scheuring has been working for 9 years as developer in nuclear medicine and for 6 years in technical support in radiotherapy.
    In 2004, he joined PTW as Product Manager for radiotherapy and radiological calibration facilities.

M.Sc. Tenzin Sonam Stelljes

  • studied engineering physics at Carl von Ossietzky University in Oldenburg and is a member of the medical radiation physics research team headed by Professor Björn Poppe at Oldenburg University since 2010.

Dr. Jan Würfel

  • Dr. Jan Würfel studied Physics in Karlsruhe and Lyon, France and received his PHD at Forschungszentrum Karlsruhe (KIT) in Molecular Electronics. Research period in Auckland, New Zealand with a focus on MRI.
    Since 2006 project manager at PTW for R&D of novel detector materials, among other issues. External and internal activities as a speaker for courses on dosimetry.
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