Siti Fairus Abdul Sani is an Associate Professor at Universiti Malaya (UM), specialising in Radiation and Medical Physics. She obtained her PhD from the University of Surrey, United Kingdom, in 2015 and was honoured with the prestigious Anugerah Saintis Muda Negara 2024 (National Young Scientist Award) in recognition of her contributions to scientific research and innovation. With 151 publications, an H-index of 22, and over 1,600 citations, she has established a strong academic and research record.

Her interdisciplinary research spans medical, industrial, environmental, agricultural, and nuclear applications, with a focus on radiation dosimetry, biophysics, radiation-modifying agents, advanced shielding materials, and applied nuclear technologies. Her contributions include clinical and retrospective dosimetry using innovative materials and optical techniques; biophysical characterisation of metabolites associated with EMT, FDFT1, endometrial diseases, and amyloidosis; development of radiosensitisers and diagnostic contrast agents; radionuclide assessment; and Monte Carlo simulations for medical and nuclear applications.

A notable research highlight is her work on rare-earth-based radiation-shielding materials for space applications, published in Physics Reports (Impact Factor: 27.5), a journal ranked among the top 10% in its WOS category. Her research further integrates artificial intelligence (AI), the Internet of Things (IoT), and drone-assisted technologies for environmental radiation monitoring, alongside investigations into radiation safety, nuclear waste management, and agricultural applications. Collectively, her work seeks to advance innovative, safe, and sustainable radiation technologies while addressing emerging challenges across healthcare, industry, environmental protection, and space exploration.

Beyond research, she has contributed actively to laboratory leadership, radiation protection, and academic capacity building. She served as Deputy Head of UM’s Radiation Protection Services Unit (2016–2017), holds a Radiation Protection Officer (RPO) certification, and has led the Radiation Laboratory (RLab) at the Department of Physics for nine years. She has supervised over 90 students, including 17 PhD students (10 graduated), 13 MSc students (11 graduated), and 67 undergraduate final-year project students. Her research has been supported by national and international grants, including an RM400,000 collaborative research grant with Princess Nourah University, Saudi Arabia.

Her scientific contributions have received numerous national and international recognitions, including the Special Award and Gold Award at MTE2025, Gold Award at AiNEX2025, Silver Award at NITC2023, Gold Award at AiNEX2021, Gold Awards at iMTC2020 4.0, Platinum Award at InSIDE2019, and Gold Awards at MTE2016 and ITEX2016. She was invited to participate in the 2023 Global Young Scientists Summit in Singapore and nominated by the Academy of Sciences Malaysia for the 72nd Lindau Nobel Laureate Meeting. Since 2014, she has presented her research at international conferences across Europe, Asia, Australia, and the Americas, contributing to scientific exchange and interdisciplinary collaboration.

Alongside her research, Siti Fairus is actively engaged in academic development, postgraduate training, and STEM education. She serves as a university-level course facilitator supporting the professional development of new academic staff and conducts workshops to strengthen postgraduate research skills. She is also passionate about nurturing scientific curiosity among younger generations through STEM outreach, teacher and parent training, art-integrated STEM modules, and mentorship for school-level science and innovation competitions. Her involvement in MOSTI’s Saintis 100³ initiative further reflects her commitment to strengthening national science engagement and inspiring future scientists. She has also served as a judge for competitions organised by the Ministry of Education Malaysia. Her contributions have been featured on Selamat Pagi Malaysia (RTM TV1) in 2025, IKIM Radio’s Inspirasiku, and the Extraordinary Muslims blog.

Siti Fairus’s contributions align with SDG 3 (Good Health and Well-Being) through safer medical radiation applications, SDG 4 (Quality Education) through innovative teaching and STEM outreach, SDG 9 (Industry, Innovation and Infrastructure) through radiation research and technology, and SDG 13 (Climate Action) through environmental radiation monitoring. Supported by Universiti Malaya and international collaborations, her work advances SDG 17 (Partnerships for the Goals), fostering scientific innovation and sustainable development.