Professor of Physics, Texas Southern University

University of Alabama at Birmingham

Національний науковий центр радіаційної медицини НАМНУ

Head of Laboratory, National Research Center for Radiation Medicine, NAMS Ukraine

Dept of Physics, Federal University of Technology, Minna

Naval Dosimetry Center

Professor dr. habil., Dunarea de Jos University of Galati

Professor of Medical and Health Physics, Purdue University

Professor of Nuclear Engineering and Radiological Sciences, University of Michigan

Professor, Colorado State University