Dr. Yoshikazu Hayashi graduated from the School of Dental Science, Kyushu University, Japan, with a DDS degree in 2011. He then joined the research group of Prof. Masato Hirata at the Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University. He obtained his Ph.D. degree at the same institution in 2017. After a post-doctoral fellowship supervised by Prof. Hitoshi Takizawa at Kumamoto University, Japan, he joined Fukuoka Dental College as a lecturer. His research interests include salivary gland homeostasis and energy metabolism.