Takahiko has belonged to Environmental protection section, Radiation Protection Department, Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency (JAEA) since 2006. His main majors in JAEA are radiation protection, environmental radioactivity and low-level liquid effluent monitoring around Tokai Reprocessing Plant. He has been interested in following 3 research themes; 1) Environmental effect assessment and environmental monitoring around nuclear power facilities, 2) Development of environmental monitoring techniques, 3) Assessment of internal exposure dose for radiation workers and the general around nuclear power facilities. In addition, he studied development of marine environmental radioactivity monitoring techniques (especially analytical method of radiostrontium in seawater) in Radiometrics laboratory, Environmental Laboratories, International Atomic Energy Agency(Monaco) as a cost-free expert in 2016.

Takahiko was a president in Young Researchers Association, Japan Health Physics Society(JHPS) for half a year in 2015. Especially, after Fukushima Daiichi Nuclear Power Plant Accident, as a member of Steering Committee of this Q&A site in JHPS, he had been engaged in the communication with the public via the internet in order to share right information on radiation protection for approximately two years.

Marina is a Chemical Engineer and Doctoral Researcher in the Laboratory of Environmental Radioactivity of the Universitat Politècnica de València in Spain. She finished her Ph.D in 2019 in the same laboratory and she currently works developing rapid methods for environmental radioactivity surveillance in nuclear or radiological emergencies, and also in the assessment of occupational and public exposure to Naturally Occurring Radioactive Materials in the ceramic industry in Spain.

Therefore, her fields of expertise are environmental radioactivity, radiochemistry, emergency preparedness and radiation protection. Related to them, she has participated in 7 research projects, and has published 5 peer-reviewed journal papers and 30 contributions in national and international conferences. In addition, Marina is member of the Spanish Nuclear Society (JJNN) since 2015 and the Spanish Radiation Protection Society (J-SEPR) since 2017.

Akihiro received a PhD in Health Sciences from Okayama University in 2009. He has been working as a scientist for the Ningyo-toge Environmental Engineering Center of the Japan Atomic Energy Agency since 2010. In 2014, he was also a guest scientist at Helmholtz Zentrum München, Germany. The main field of his research is environmental radioactivity; in particular, the evaluation of behavior of radon in the environment, and the dose assessment in a variety of radon exposure routes for experimental animals as well as humans. He is now interested in field work in terms of radioecology as well.

Akihiro is a member of the Japan Health Physics Society, was the chair of the Young Researchers Association of the JHPS (2016-2017), and is a member of the editorial board of “Japanese Journal of Health Physics” (2015-present).

Yeon Soo Yeom is an Assistant Professor at Department of Radiological Science / Radiation Convergence Engineering of Yonsei University in South Korea. He received his PhD in nuclear engineering from Hanyang University in 2017 by completing his doctoral dissertation project on the development of the new adult male and female mesh-type reference computational phantoms (MRCPs) of the International Commission on Radiological Protection (ICRP). He worked as a visiting fellow in Radiation Epidemiology Branch (REB) at National Cancer Institute (NCI) / National Institutes of Health (NIH) in USA (2018 – 2021), involving various radiation dosimetry studies such as a novel methodology to estimate normal tissue doses for large-scale radiotherapy patients. He has served as a member of four ICRP Task Groups (90, 96, 103, 113) and an author of three ICRP Publications (143, 144, 145). He has published over 65 peer-reviewed journal papers and received numerous scientific awards such as “Charles Land Award” for Best Oral Presentation from the 2018 Conference on Radiation and Health & the Radiation Research Society and 2019 MC2 research award from Korean Association of Medical Physicists in North America (KAMPiNA).

Tahar is a member of the ATPRI&NI, the RP society of Tunisia, where he organized of the 5 th African IRPA congress, Tunis, September 2018.

His career began in 2010 as E-learning manager and Instructor in Tozeur, southern Tunisia.

Since 2013, he joined CNSTN, the Tunisian Nuclear research centre as radiation safety Officer and manager of Disused Sealed Radioactive Sources. In 2017, He studied, within IAEA program, Radiation protection and safety of radiation sources. He is also Instructor of Nuclear energy, safety and security at the Polytechnic Institute of Sfax, Tunisia.

Tahar is an amateur Astronomer and loves nuclear safety outreach to public.

Otoo holds a PhD in Radiation Protection and currently a research scientist at the Radiation Protection Institute of the Ghana Atomic Energy Commission and a lecturer at Department of Nuclear Safety and Security, University of Ghana. He has been working in the field of radiation protection since 2009. In 2013, he was awarded an International Atomic Energy Agency sandwich PhD fellowship training at the Centro Regionale di Radioprotezione, Agenzia Regionale la Protezione (ARPA-FVG), Udine, Italy which contributed to his academic research work leading to the award of his PhD from the University of Ghana in 2015.

Otoo is the coordinator for Africa Young Generation Network of International Radiation Protection Association (YGN/IRPA), and also the National Organizer for the Ghana Association for Radiation Protection (GARP).

Otoo has research interests in environmental radioactivity in building materials, water, soil and radon in dwellings and in workplaces. He has authored peer-reviewed articles and participated in national and international conferences and workshops to share information and learn new ideas.

Innocent is the President of the North Carolina Chapter of Health Physics. He is currently working as a medical/health physicist at Duke University and Duke University Medical Center Radiological division. Before working at Duke University, he worked as a Health Physicist at Texas A&M University’s Environmental Health and Safety (EHS), College Station, Texas

Innocent’s nuclear expertise and education spans applicable principles of radiation safety, regulatory compliance, and regulatory inspections and enforcement. His post-graduate knowledge includes an intensive course on nuclear non-proliferation.

He received his primary and secondary education in the Volta Region’s Kpando District, Ghana. He earned a B.S. in Radiation Technology/Health Physics (Hons.) from Alcorn State University in 2014. He received his M.S. in Nuclear Engineering from Texas A&M University’s Nuclear Security Science and Policy Institute (NSSPI) in 2016. He is a graduate student at the NC State University working towards a PhD degree in Nuclear Engineering.

Innocent is passionate about mentoring the next generation of radiation protection professionals in radiation protection for the next young generation.

He received MS from Lucknow University and Ph. D. from Karnatak University. He began his career in year 2006 as Health Physicist after Post Graduate Diploma in Nuclear Science & Engineering from BARC Training School (currently Homi Bhabha National Institute). He is expert in Operational Health Physics, ALARA management and training on Radiation Protection. He went on to diverse capacities with leadership positions in nuclear power plants for radiation protection management; radiation risk assessment, health physics, radiological engineering, dosimetry, nuclear safety, radioactive waste management with special leadership in CANDU radiation protection. He is now interested in cultural and behavior issues in radiation protection.

He has designed and developed radiation protection documents, technical basis documents, quality management documents, radiation protection manuals, health physics procedures, training manuals and training materials. He has published more than 95 research papers and 2 book chapters in peer reviewed international journals; more than 35 articles in conference/symposium proceedings in the field of shielding, dosimetric materials and operational health physics. He is reviewer of more than 50 international reputed journals, member of editorial boards of various journals and member of national/international nuclear and radiation protection societies. He has been selected in Marquis Who is who in Science and Technology in the Asia 2016-2017, World’s 500 Most Influential People on Earth in Year-2016 and Academic Excellence Award-2016 in Nuclear Physics.

Rui Qiu is an Associate Professor at Department of Engineering Physics of Tsinghua University in China. She received her Doctorate in health physics from Tsinghua University in 2007. She worked as a radiation physicist at Pohang Accelerator Laboratory in Korea (2005-2006) and at SLAC in USA (2009- 2010). Her current research interests mainly lie in two aspects: one is radiation dosimetry with computational human phantoms, the other is accelerator health physics. She took the lead in development and applications of multi-scale Chinese reference phantoms library. She also performs researches on the radiation protection for high intensity laser facilities and accelerators.

She serves as the corresponding member of ICRP task group 103, Vice-chair of the Youth Committee of China Society of Radiation Protection, and Managing director and Vice Secretary-General of Chinese society of Particle Accelerator Radiation Protection. She has published over 90 peer-reviewed journal papers and several papers were published as cover articles or won international academic awards. She serves as Monitoring and Steering Committee member of ISORD, session chair in the international conferences and member of editorial boards of various journals including “health physics”.

Bashir is a young Medical Radiographer who is passionate about Radiation Protection and Research. He obtained his first Degree from the Bayero University Kano, Nigeria in 2018. He has so far presented two research papers on “Radiation Dose to mammography patients” at two separate National Conferences. In 2018, he was awarded travel support grant to attend and present a paper at the ISRRT World Congress held in Trinidad and Tobago. Bashir is currently an Intern Radiographer working with the Nigerian Army Medical Corps.

He is an active member of the NSRP (Nigerian Society for Radiation Protection) and the ARN (Association of Radiographers of Nigeria). Bashir has also served as the National secretary of NARS (Nigerian Association of Radiography Students).

During his studies of Technical Physics Franz discovered his interest in radiation protection. For his bachelor thesis he collected mushrooms and analysed them with gamma spectroscopy for Cs-137. His master thesis covers radon soil gas measurements and correlations between the different measurement parameters.

Franz works for the Austrian Agency for Health and Food Safety in the Department of Technical Radiation Protection. His work mainly consists of conducting expert assessments as support of the regulatory authorities for radiation protection. He also carries out surveys in the field of natural radioactivity and contaminated legacy sites.

Franz is chair of the Young Scientists and Professionals of the Austrian Radiation Protection Association. In this role, he wants to support young members the same way he was supported when he was still a student.

Fulfilling the Viennese cliché, Franz likes ballroom dancing, especially the waltz. As of late, he also got interested in photography.

Thiago is the secretary for the RGG (UK SRP YGN) and as a member of the Medical Sector Committee. He is also an active member of the Swiss Medical Physics Society (SSRPM). He has obtained his BSc in Physics at the UFRJ, Brazil. He moved to UK in 2006, where he received his training as a Medical Physicist including a MSc in Radiation Physics at the UCL, UK. In 2012 he joined CERN in Switzerland for a Marie Skłodowska-Curie Fellowship receiving his PhD, from the UCL, on his work with Dosimetry and Radiobiology on Ion-Beam Radiotherapy.

Thiago is currently a MPE at the Radioprotection Group at the Kantonsspital Aarau in Switzerland where he provides support to different departments. His work in Switzerland has led to diagnostic reference levels for CT examinations in hybrid devices. Additionally he is involved in protocol optimisations (CT and NM), patient exposure harmonization, individualised dosimetry for molecular therapy, evaluation of new radioisotopes, implementation of clinical audits and training new physicists.

Outside work, he enjoys travelling and spending time with his family.

Cinthia is a member of the Argentine Radiation Protection Society (SAR) and chair of the Young Professionals Network “Red SAR Joven”.

She obtained a master´s degree in Medical Physics in 2012 from the Balseiro Institute at the National University of Cuyo. Currently, she works at the National Atomic Energy Commission (CNEA) - Nuclear and Radiation Safety Management, in the Patient Radiation Protection Program and in the Nuclear Medicine Service at the Clinical Hospital of Buenos Aires. In 2019, she did a fellowship in the Unit of Radiation Protection of Patients of the International Atomic Energy Agency (IAEA).

Cinthia plays an active role in the development of activities to improve radiation protection mainly in medicine and medical response in nuclear and radiological emergencies. She was part of the group that conducted the second RELID study in Buenos Aires.

Concerning education and training in RP, she has a strong commitment and interest in the design of programs as well as being a teacher and trainer. She is a teacher in the University of Buenos Aires (UBA), Dan Beninson Institute (IDB-UNSAM), Inter-American Open University (UAI) and Argentine Radiation Protection Society (SAR).

In her free time, Cinthia enjoys spending time outdoors, travelling and practicing sports like trekking and cycling (and rowing).

Omar is a Masters student in Nuclear Engineering, specializing in Health Physics, at Ontario Tech University in Oshawa, Canada. Previously, Omar obtained his Bachelor of Science (Honours) in Physics with a minor in Mathematics, also from Ontario Tech. His previous research experience covers a wide array of subjects, including computational nanobiophysics, machine learning, and image recognition. As a graduate researcher, his research focuses on health physics, robotics, and severe accident response management.

In 2019, Omar led a team of graduate students that built an award-winning machine learning algorithm, NeuroCrete, that could effectively assess concrete degradation in nuclear reactor buildings in real time. He has also been recognized as a finalist in his school's 3 Minute Thesis competition.

Omar is currently an active member of the Canadian Radiation Protection Association (CRPA), the Health Physics Society (HPS) and the Canadian Nuclear Society (CNS).

After studying physics engineering and nuclear applications at Aachen University of Applied Sciences, Joel is currently employed as a medical physicist at the Bundeswehr Hospital in Germany.

His main interests are in the field of radiological emergency response and training of emergency personnel and in medical radiation protection, there especially in the field of equipment technology of computer tomographs and radiology systems.

Joel is a member of the German-Swiss Association for Radiation Protection e.V. and is the spokesman for the Young Professionals there, where he campaigns for the attractiveness and retention of competence in the radiological field. Furthermore, he is a member of the German Society for Medical Physics (DGMP).

In my free time, I like to go hiking or biking in the Koblenz vineyards and end the evening with a glass of regional wine.

I am Nona Movsisyan, Junior Researcher and Ph.D. student at the Center for Ecological-Noosphere Studies (CENS) of NAS RA, at Radioecology Department. I have graduated from Yerevan State University with Bachelor’s degree in Environmental Protection, the field of Ecological Chemistry, Faculty of Chemistry. The growing interest in the environmental sciences led me to continue my education in the field of Environmental Protection and Nature Management, at the International Scientific-Educational Center of Armenian National Academy of Sciences, where I got my Master’s degree in Environmental Protection. Since 2016 I have been working at the Radioecology Department of CENS. Currently, I am a Junior Researcher. Since 2018 I have been a Ph.D. student at the Radioecology Department of CENS with the thesis of "Peculiarities of natural and artificial radionuclides migration in the environment of Aragats massif". My main scientific activity focuses on environmental radioactivity and radioecology, in the frames of which many important issues are revealed, studied and answered. Radioecology is a very special and interesting scientific field, here you are constantly discovering new things.

He is a member of the Croatian Radiation Protection Association and, as of 2020, a Youth representative within the Association. The Youth section’s mission is to connect young professionals, which is accomplished through organizing meetings and lectures. He is also an active member of the Croatian Medical Physics Association. His interest in the field of radiation and physics led him to finish his master's degree in Physics and Computer Science at the University of Osijek in Croatia. Before entering the field of Medical Physics, he worked as a Physics teacher in Elementary and High school. He has been working at University Hospital Centre Sestre Milosrdnice in Zagreb since 2018, and he has been an assistant lecturer in undergraduate study of Radiological Technology at the University of Applied Health Sciences in Zagreb. As a medical physicist, his responsibilities include planning treatments and QA of all radiation related equipment in the department, protecting patients against radiation risks as a consequence of incidents and accidents, as well as radiation risks under normal circumstances.