Jan Rybář graduated from the Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Slovakia, where he obtained his Ph.D. degree in Metrology in 2019. Since 2019, he has worked at the Institute of Automation, Informatization and Measurement at the Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, first as a postdoctoral researcher and later as an associate professor in metrology. In 2023, he was appointed Associate Professor in the field of Metrology. His professional activities focus on medical metrology, metrological traceability of measuring instruments, metrological assurance of measurements in healthcare, and measurement quality management in technical systems. He is involved in teaching metrology, measurement, and quality-related subjects, supervises bachelor’s, master’s, and Ph.D. students, and serves as a guarantor of study programs in Measurement and Quality Management in Mechanical Engineering, Measurement and Testing, and Metrology. His research interests include the application of metrology principles in healthcare and engineering practice, digitalization of metrological services, and ensuring reliable measurement results.