Takeshi Hasegawa received PhD from Kyoto University. He was appointed to be Assistant Professor at Kobe Pharmaceutical University in 1993 and Lecturer in 2001. After he experienced Associate Professor at CIT, Nihon University (2003), Researcher of JST PRESTO (2004), and Associate Professor at Tokyo Institute of Technology (2006), he joined ICR, Kyoto University as Full Professor in 2011. He is a Fellow of Society for Applied Spectroscopy (USA) after recognition of his original spectroscopic technique of "MAIRS." Fluorine chemistry on the stratified dipole-arrays (SDA) theory is another his exciting topic.