Prof. Dr. Hakan Sevik was born in Ankara, Turkey, in 1979. He holds a bachelor's, master's, and doctoral degree in Forest Engineering. He later began working on plants and air quality. He currently works as a faculty member in the Department of Environmental Engineering at the Faculty of Engineering and Architecture at Kastamonu University. He conducts research on plant cultivation, genetic diversity, air quality, and biomonitors. He has published over 300 articles on these topics, with more than 140 of them indexed in Web of Science and Scopus. His publications have attracted considerable interest and citations in the scientific community, with a Web of Science and Scopus H-index above 50. Ranked among the world's most influential scientists (in the top 0.05%) in recent international rankings, Hakan Şevik is considered one of the top 10 scientists in the world in fields such as biomonitors and air pollution, based on evaluations of articles published over the last five years. His recent work has focused particularly on the change in heavy metal pollution over time, the usability of plants as biomonitors, and phytoremediation.