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Burçin Okyar
Mr. Burçin Okyar has over 25 years of experience in the field of radiation protection and serves as a Radiation Safety Specialist in the Division of Nuclear Safety and Security of the International Atomic Energy Agency (IAEA) in Vienna, where he coordinates the Occupational Radiation Protection Appraisals (ORPAS) missions, contributes the development of international requirements and guidance related to occupational radiation protection and NORM, manages the Occupational Radiation Protection Network (ORPNET) web-site of the IAEA. Before joining the IAEA, he worked with the OECD Nuclear Energy Agency (NEA) in Paris /France and he was the Scientific Secretary of the Working Party on Nuclear Emergency Matters (WPNEM) of the Committee on Radiation Protection and Public Heath (CRPPH) and also served as the Scientific Secretary of the Information System on Occupational Exposure (ISOE), which is a joint undertaking of the NEA with the IAEA. Mr. Okyar holds an MSc degree from University College London (UCL) in radiation protection and radiobiology and BSc in Physics Engineering from Hacettepe University.

Emilie Van Deventer
Emilie Van Deventer is the team leader of the Radiation Programme at the World Health Organization (WHO). This programme covers the public health aspects of ionizing and non-ionizing radiation safety. She is responsible for the WHO International Radon Project which provides information on the health impact of radon and guidance to national authorities on radon awareness programmes. Before joining WHO, she held a chaired position in the Department of Electrical and Computer Engineering at the University of Toronto, Canada. She holds a PhD from the University of Michigan, USA and received a doctorate Honoris Causa from the University of San Marcos, Lima, Peru in 2014.

Frank Harris
Frank Harris is Rio Tinto’s Chief Advisor Radiation Governance and Product Stewardship. He has spent over 25 years providing practical radiation and environmental protection for industry and government. His areas of expertise include working directly with uranium mining, other NORM industries, residual waste sites and research reactors. In his time he has worked for mining companies, regulators, government organisations and the IAEA. He sees NORM as a vital and under resourced area of radiation protection where proper management is vital for sustainable trade and protection of workers and the public.

Gert Jonkers
Gert Jonkers holds a Ph. D. from the Free University at Amsterdam, nowadays retired subject matter expert “Ionising Radiation” of the Shell Group of Companies. Radiation Protection Expert for the Shell Group laboratory in Amsterdam, the Netherlands from the end of the 80’s. Been involved in many radiotracer studies, both in a research setting (e.g. flow and process imaging in experimental setups), in gas/oil fields and in operating facilities & plants. With the upcoming NORM issues in the end of the 80’s, research projects have been carried out to standardise cost effective NORM analysis method and into the root cause of gas/oil industry NORM. Cradle to grave projects with emphasis on NORM surveys, (inter)national NORM regulations, NORM management systems, and NORM decontamination & final disposal carried out in several countries.

Horst Monken-Fernandes
Horst Monken-Fernandes has been working for the last 10 years as an Environmental Remediation Specialist in the Waste Technology Section of the International Atomic Energy Agency (IAEA). In this capacity his duties include supporting Member States in implementing remediation projects in a time, cost-effective and safe way. He is also in charge of producing Technical Reports in the field of Environmental Remediation and NORM waste management. Before joining the IAEA he was a researcher at the Institute of Radiation Protection and Dosimetry (IRD) of the Brazilian Nuclear Energy Commission. His research activities concentrated in development of strategies to manage acid mine drainage and technologies to oxidize sulfidic material in uranium mining tailings in the scope of remediation of uranium mining sites. He has led a national investigation effort to assess environmental and occupational impacts of NORM mining industries in Brazil. He has also led the Division of Environmental Impact Assessment (SEAIA) of the IRD from 2000 – 2006 providing, among other services, support to licencing and control of nuclear installations in the country. He holds a degree in Chemical Engineer and has a Post-Doc in Environmental Engineering from the University of Central Florida (USA) and a Ph.D. on Environmental Geochemistry from the Fluminense Federal Unviversity in Brazil..

Jean-François Lecomte
Jean-Francois Lecomte, is now senior expert on radiological protection in the French Institute for Radiological Protection and Nuclear Safety (IRSN), which is the French institutional body of nuclear expertise in France. He started his career as civil servant in the ministry of industry and energy. Before to join IRSN, he was in charge of the radiological protection issues in the implementation of the Euratom treaty. Apart from the management of the radiological risk and RP regulation, his skills and experience are more related to natural exposure (radon, NORM), contaminated sites and post-accident situations. Jean-Francois Lecomte is currently affected to the International Affairs Directorate in IRSN. As such, he is involved in several international working groups or committees related to radiological protection either as expert or as support to the French Nuclear Safety Authority (ASN). As member of the ICRP Committee 4, he is the chair of the Task Group 76 in charge of the preparation of a Publication related to the application of the ICRP recommendations in NORM industry.

John Hunt
JOHN HUNT is the head of the Dosimetry division of the Instituto de Radioproteção e Dosimetria (IRD), part of the Brazilian Nuclear Regulatory Agency CNEN. He holds a degree in Physics and a PhD (1998) in biophysics from the Rio de Janeiro State University and has worked for more than 30 years in the areas of occupational radiation protection, individual monitoring, dosimetry and emergency planning and preparedness. From 2005 to 2010 he worked at the IAEA in the area of occupational radiation protection, and is also a member of the ICRP Committee 2 dealing with dose calculations. John Hunt has been the representative of Brazil to UNSCEAR since its sixtieth session (2013).

Nick Tsurikov
NICK TSURIKOV, Director of Calytrix Consulting (Australia) has over 30 years of experience in the management of naturally occurring radioactivity. He is currently working as an international radiation protection consultant with a broad range of projects world-wide: from advice to local and aboriginal councils, mining companies, State and Federal governments in Australia and other countries to participating in projects of the International Atomic Energy Agency (IAEA). He has participated in the development of numerous IAEA guidance and technical documents (participant in more than 25 technical meetings at the IAEA headquarters in Vienna) and in more than 15 technical cooperation missions around the world.
Nick is a Member of the Radiological Council of Western Australia, an Advisor to the committees of the USA Conference of Radiation Control Program Directors, and a member of scientific committees and a speaker at radiation protection congresses in Australia, Brazil, South Africa, China, Spain and Greece.

Paulo Heilbron
Paulo Heilbron was graduated in Mechanical Engineering at the Federal University of Rio de Janeiro in 1981, got his master’s degree in Nuclear Engineering from the Federal University of Rio de Janeiro in 1984 and got his PhD in Mechanical Engineering at the Federal University of Rio de Janeiro in 2001). He is currently the director of the Radioprotection and Nuclear Safety directorate from the Brazilian Nuclear Energy Commission. His experience in Nuclear Engineering, has emphasis on Radiological Protection, Safety Assessment of Waste Disposal Sites, shielding, waste management, radioactive material transport, safety assessment and environmental impact. He is a Brazilian expert for the International Atomic Energy Agency, IAEA, with missions in Chile, Cuba, Paraguay, Venezuela, Argentina, Ecuador, Uruguay, Bolivia, Mexico, France, England, South Africa, Mozambique and Japan. He is now the Brazilian representive on the Committee of safety Standard from the IAEA and also represented in past Brazil on the Transport Safety Committte (TRANSSC) and on the Waste Safety Committe (WASSC) both from the IAEA. He was head of the Radioactive Waste Division, Head of the Radioactive Waste Coordination, head of the Nuclear Facilities Division responsible for the licensing of the fuel cycle and radioactive facilities in Brazil .He is also consultant from FAPERJ and reviewer of scientific papers of the Brazilian Academy of Sciences journal.

Rafael Garcia-Tenório
Professor of Applied Physics at the University of Sevilla (Spain), has more than 30 years of experience in the fields of Radiation Protection and Natural Radioactivity. His research activities have been specialized in NORM issues since the end of the 1980´s, with special dedication to explore occupational, public and environmental radiological impacts of the phosphate industry and associated mining activities. President of the Organizing Committee of NORM V (Seville, 2007), it has been member of the steering committees of NORM V, NORM VI and NORM VII. He is coauthor of more than 150 peer-review papers, supervisor of 15 PhD theses, and has contributed to the elaboration of the IAEA safety Reports devoted to the phosphate and titanium dioxide industries.

Tanja Perko
Tanja Perko holds a PhD in Social sciences; risk perception and risk communication in nuclear emergency management (Universtiy of Antwerp, Belgium), MSc in political studies and bachelor in journalism, University of Ljubljana (Slovenia). She has 16 y of experiences in research and practice related to risk communication, risk perception, media analysis, stakeholder involvement and public opinion. She is a coordinator of the European project EAGLE and a task leader of some other European projects related to stakeholder involvement and communication about ionizing radiation. She is a senior researcher and lecturer at Belgian Nuclear Research Centre and University of Antwerp. She acts as consultant and lecturer in different IAEA and EC projects on stakeholder involvement and communication. She is author or co-author of more than 200 scientific papers in in-proceedings papers, presentations, reports and lectures. She has been head of the Public Relation department at the Ministry of Defense in Slovenia and a journalist at the Slovenian national TV.
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