Dr. Irina Stepanov is a distinguished Mayo Professor in Public Health at the University of Minnesota School of Public Health and the Director of the Institute for Global Cancer Prevention Research. With a Ph.D. in Chemistry and Environmental Chemistry from Universitatea de Stat din Moldova, Dr. Stepanov has dedicated her career to understanding the biochemical links between chemical carcinogens and health outcomes, focusing extensively on tobacco carcinogenesis.Her expertise spans analytical biochemistry, tobacco chemistry, and mass spectrometry, making significant strides in biomarker development, DNA adducts, and carcinogen exposure and metabolism. Dr. Stepanov's research illuminates the mechanisms behind individual differences in cancer risk due to tobacco use, contributing to global research capacity building and regulatory science.Collaborating with a network of professionals including medical doctors, epidemiologists, and tobacco control experts both nationally and internationally, she addresses complex public health issues related to tobacco use and its consequences. Dr. Stepanov's work not only advances scientific understanding but also supports tobacco regulatory policies aimed at improving public health.Recognized as one of the Top 100 Women Scientists, her career at the University of Minnesota has evolved from a Research Associate to her current prestigious roles, reflecting her commitment to cancer prevention and public health education. Fluent in English, Russian, and Romanian, Dr. Stepanov is a key figure in global public health initiatives.