Scientific Advisory Board

Our Scientific Advisory Board consists of the following distinguished scientists:


Dr. Miller is a member of our Scientific Advisory Board and a contracted consultant for Clear Path Technologies, Inc. He is the Facility Director of the UCI Nuclear Research Facility which houses a General Atomics TRIGA Research Reactor. He has taught courses in General Chemistry, & General Chemistry Laboratory (Course Coordinator 1975-1988, 1993-1994); Quantitative Analysis, Instrumental Analysis, and Physical Chemistry Laboratory; Radioisotope Techniques, Nuclear and Radiochemistry, and Nuclear Reactor Fundamentals; and Special Topics in Nuclear and Radiochemistry, Materials Science Laboratory (new 1992).

Dr. George Miller is also a Senior Lecturer Emeritus in Nuclear Chemistry at the University of California, Irvine, where he has taught for more than 35 years. His research has specialized in applications and development of new methods of analytical chemistry, especially nuclear methods of analysis to geochemical systems including geothermal area mineral samples and fossil energy (coal) samples.

Dr. Miller’s research includes use of such techniques in investigations of provenance in archeology and art objects, the Investigation of nuclear based methods suitable for biomedical and other applications, and the prediction of radon hazard potential. In addition, Dr. Miller has spent time developing programs to augment student conceptual learning of science, and assessment of science learning in K-16 students. Dr. Miller has 50 publications in Radiochemistry, and 10 in Science Education. He completed his Doctorate in Physics and a Masters in Arts at Oxford University, United Kingdom.


Prof. Valkovic is a member of our Scientific Advisory Board and a contracted consultant for Clear Path Technologies. He currently serves as Director of A.C.T.d.o.o., a scientifuic instrumentation company, and is a Professor of Nuclear Physics at the Institute Ruder Boskovic in Zagreb, Croatia. Prof. Valkovic is the author of 11 books and co-author of some 330 scientific papers. He is a member of many learned societies, listed in all major Who is Who books.

Prof. Valkovic is currently a Fellow of American Physical Society and of Institute of Physics (London), European Physical Society, Physical Society of Croatia, Society for Environmental Geochemistry and Health, International Society for the Study of the Origin of Life, and the International Committee for Radionuclide Metrology. He also is a senior contributor for CAARI International Conference on the Application of Accelerators in Research and Industry.

Prof. Valkovic received his Ph.D. in Nuclear Physics (1964) studying nuclear reactions induced by 14.4 MeV neutrons. At the Institute Ruder Boskovic, he was the Head of Nuclear Reactions Laboratory, 1967-1970; Founder and the Head of Nuclear Microanalysis Laboratory, 1982-1995. He has spent ten years at Physics Department of Rice University, Houston, Texas. During the seven years from 1989-1996, he was employed by International Atomic Energy Agency, Vienna, Austria, as the Head of Physics-Chemistry-Instrumentation Laboratory.

Prof. Valkovic was also head researcher for the European Illicit Trafficking Countermeasures Kit (EURITRACK), a consortium research project which aims at increasing the security of the seaports by developing next generation cargo screening which can non-intrusively detect explosives or other threat materials concealed in shipping containers.


Dr.Tsuey-Fen Chuang is also Senior Scientist and Safety and Compliance Officer with Clear Path Technologies, Inc. Prior to joining Clear Path, Dr. Chuang was a Senior Research Scientist with HiEnergy Technologies from August 2002 to March 2007. She was responsible for developing much of the core proprietary algorithms that are used in our stoichiometric detection systems. Dr. Chuang received a Ph.D. in Experimental Space Plasma Physics and a Masters in Physics from University of California - Riverside and completed undergraduate studies at the National Central University, Taiwan, R.O.C. Dr. Chuang is fluent in Chinese.


David Stoker has Ph.D. in Physics with more than 16 years experience in nuclear detection. Most recently he has been a senior researcher at UCI. Most of his research experience is in fundamental particle physics at the Stanford Linear Accelerator, with some work at CERN.

His current focus is on research concerning the statistical combination of low-certainty nuclear counting data and in the development of the advanced signal processing.