Dr Shahen Poghosyan brings over 20 years of experience in nuclear safety, with deep expertise in risk analysis and risk‑informed decision‑making. Since joining the IAEA in 2016, he has served as a technical lead in Safety Assessment, guiding the development of IAEA Safety Standards in this area. His current work places particular emphasis on innovative reactor technologies, including small modular reactors, transportable NPPs, and non‑water‑cooled designs.From 2016 to 2020, Dr Poghosyan was one of the IAEA officers leading the development of the IAEA methodology for multi‑unit probabilistic safety assessment (PSA) and its incorporation into the recent revisions of IAEA PSA‑related Safety Standards. He also represents the IAEA in several international technical working groups, including the ASME/ANS PRA Standard Working Group.