Hiroyuki Kataoka (PhD) is a Professor at Shujitsu University. From 1998 to 1999, he worked with Professor Janusz Pawliszyn as a postdoctoral research fellow in the Solid-Phase Microextraction Group at the University of Waterloo (Waterloo, Ontario, Canada), developing in-tube solid-phase microextraction. His research interests include the development of selective and sensitive methods for the analysis of bioactive and potentially harmful compounds in living systems, foods and environments. His present research projects also cover the development of automated sample preparation methods and their applications in environmental and biomedical fields. Using these techniques, he is developing methods for the assessment of biological exposure to toxic chemicals and for non-invasive analysis of stress- and fatigue-related biomarkers, in order to protect health by detecting early signs of disease. He is an author of over 170 scientific publications in peer-reviewed journals, and his Hirsch Index is 42 (April, 2022). His most recent publication is "In-tube solid-phase microextraction: Current trends and future perspectives". J. Chromatogr. A, 1636 (2021) 461787 (doi: 10.1016/j.chroma.2020.461787). He is now a member of the editorial boards of Analytica Chimica Acta, Analytica Chemistry Letters, the Journal of Environmental & Analytical Toxicology, Chromatography, Molecules (Academic Editor in the Analytical section), the Journal of Chromatography A, etc.