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Master of Health Physics Board of Advisors

Steven BakhtiarSteven Bakhtiar, Ph.D., is an expert in radiochemistry, specializing in actinides. He received his Ph.D. in nuclear radiochemistry from University of Arkansas. Dr. Bakhtiar's experience ranges from laboratory operations, quality assurance, assessments, training, science education, actinide chemistry, radiological control, and waste management. He is a member of the National Health Physics Society, Waste Education Research Consortium (WERC), International Radiological Science Application, Academy of Certified Hazardous Material Management, Institute of Nuclear Materials Management, and U.S. Department of Energy (DOE) Analytical Managers. Dr. Bakhtiar is the former Director of the DOE’s New Brunswick Laboratory, Argonne, Illinois and is currently Senior Scientist and Laboratory Supervisor at URS Corporation at the Waste Isolation Pilot Plant (WIPP), Carlsbad, New Mexico.

Robert JonesRobert Jones, Ph.D., is Chief of the Inorganic and Radiation Analytical Toxicology branch at the Center for Disease Control and Prevention (CDC). Here, he is in charge of planning, implantation, oversight, and completion of programs related to public health that involve non-radioactive and radioactive elements and their isotopes. These programs help enable the CDC to assess and monitor the exposure of populations to toxic and radioactive element exposures. Jones is also overseeing the development of a variety of radionuclide bioassay methods for emergency and terrorism preparedness and response. He is involved with many long-term local, national, or international public health studies, had 106 publications, and has presented more than 60 national or international invited talked or workshops. Jones is co-chair of multiple workgroups in the DHS Integrated Consortium of Laboratory Networks (ICLN). Jones received his B.S. in Chemistry, M.S. in Physical Chemistry, and Ph.D. in Biophysical Chemistry from Georgia State University.

Joseph KlingerJoseph Klinger recently retired from the Illinois Emergency Management Agency (IEMA) where he spent over 23 years as Assistant Director, Manager of the Radioactive Materials Program, and Head of Radioactive Material Licensing. He also served as the IEMA Interim Director and as Governor Pat Quinn’s Homeland Security Advisor. Joe currently serves as Chairman of the Central Midwest Interstate Low-Level Radioactive Waste Compact Commission and is a representative of the National Emergency Management Association for the National Alliance for Radiation Readiness. Joe began his career as a U.S. Marine Corps Combat Infantryman in Vietnam, served in the Navy Reserve and Medical Services Corps, and retired in 2009 as a Navy Captain. He received his B.S. in Microbiology/Chemistry from University of Texas at Austin, and his M.S. in Health Care Management/Public Administration from Southwest Texas State University.

Susan Langhorst, Ph.D., CHP., received her B.S. in nuclear engineering from University of Missouri-Rolla, and her M.S. and Ph.D. in nuclear engineering-health physics from University of Missouri-Columbia. Dr. Langhorst is currently the Radiation Safety Officer at Washington University in St. Louis and is a faculty member at the Mallinckrodt Institute of Radiology. Dr. Langhorst is certified by the American Board of Health Physics; she is a Council Member of the National Council on Radiation Protection and Measurements (NCRP); and she currently serves as the Radiation Safety Officer Representative on the Nuclear Regulatory Commission's Advisory Committee on Medical Uses of Isotopes.

Ruth McBurney, CHP., is currently the Executive Director of the Conference of Radiation Control Program Directors, a position she has held since 2007. Prior to that, she was the Manager of the Radiation Safety Licensing Branch of the Texas Radiation Control Program. Ms. McBurney has served on the Nuclear Regulatory Commission's Advisory Committee on the Medical Use of Isotopes and the U.S. Food and Drug Administration's National Mammography Quality Assurance Advisory Committee. She is currently a member of the National Council on Radiation Protection and Measurements (NCRP), and also serves on the NCRP Board of Directors. Ms. McBurney holds a B.S. degree in biology from Henderson State University in Arkansas and an M.S. degree in radiation sciences from the University of Arkansas for Medical Sciences. She is also certified in comprehensive health physics by the American Board of Health Physics.

Chris PassmoreChris Passmore, CHP, is Vice President of Dosimetry Services at Landauer. Mr. Passmore has directed Landauer’s technical and operations activities relating to radiation dosimetry, since joining the Company in 2000. From 2004 – 2007, he was the Director of Operations and managed Landauer’s manufacturing and analytical laboratory activities. As the Vice President of Technical Services from 2007 to 2013, Mr. Passmore, led scientific research, dosimetry sciences, applied technology, quality, technical support teams, and analytical laboratory operations. Prior to arriving at Landauer, Mr. Passmore worked in the Department of Energy nuclear weapons complex for ten years where he led external dosimetry, internal dosimetry, field characterization studies, radiation measurements, radiochemistry, and radiological engineering sections. Mr. Passmore is an internationally known expert in radiation monitoring, radiation field characterization, and dosimetry accreditation. He serves as a United States delegate and technical expert to the International Electrotechnical Commission (IEC) TC45 and International Organization for Standardization (ISO) TC85.

Cynthia D. Pederson

Cynthia D. Pederson is a retired regional administrator for the United States Nuclear Regulatory Commission (NRC). She is the first woman to hold such a high-ranking position, leading a staff of approximately 200 whose mission consists of protecting public health and safety by inspecting 23 civilian nuclear power reactors. Ms. Pederson was responsible for licensing and inspecting over 1000 materials licenses in eight states in the central United States (Region III). She was responsible for safety oversight of nuclear power plants, nuclear plant operator examinations, fuel cycle facilities, medical/academic/industrial materials users, incident response, and allegation/enforcement resolution. Ms. Pederson is a recipient of the Presidential Meritorious Rank Award in recognition of her service to the U.S. Government as a high-performing senior career employee with sustained extraordinary accomplishments. In addition, she uses her experience to encourage young girls to pursue careers in STEM.

Vivian SullivanVivian S. Sullivan, Ph.D., PMP, is Program Manager for the Laboratory Directed Research and Development Office, Argonne National Laboratory, Strategy, Performance and Risk Department where she manages a $28M portfolio of research projects. She is also the former Senior Staff Assistant to the Chief Research Officer at Argonne National Laboratory. Prior to this, she was manager of the Analytical Chemistry Laboratory (ACL) in the Nuclear Engineering Division at Argonne National Laboratory. In this role, she was responsible for managing a $1.7 million per year service center and developing and implementing an overarching strategic plan for operations and business management of the ACL. She received her B.A. in Chemistry from The Johns Hopkins University, her Ph.D. in Physical Chemistry from University of Illinois at Urbana-Champaign, and her M.B.A. from the Kelley School of Business, Indiana University.

Richard Vetter, Ph.D., CHP., is Professor Emeritus and former Radiation Safety Officer for the Mayo Clinic. He received his B.S. and M.S. degrees in biology from South Dakota State University, and Ph.D. in health physics at Purdue University. He is board certified by the American Board of Health Physics and the American Board of Medical Physics. Prior to joining the staff at Mayo Clinic in 1980 he was Professor of Health Physics at Purdue University. Dr. Vetter is past Editor-in-Chief of the journal Health Physics, past President of the Health Physics Society, and past President of the American Academy of Health Physics. Dr. Vetter is a member of the National Academies Nuclear and Radiation Studies Board and a Distinguished Emeritus Member of the National Council on Radiation Protection and Measurements. He served as Vice Chair of the NRC Advisory Committee for Medical Uses of Isotopes and was a member of the Radiation Advisory Committee of the EPA Science Advisory Board.