**Hidehiro Uekusa**

Hidehiro Uekusa, Associate Professor of Department of Chemistry at Tokyo Institute of Technology, was born in 1964 in Tokyo. He received B. of Science (1987), M. of Science (1989), and D. of Science (1992) degrees from Keio University. In 1992, he joined the Department of Chemistry at Tokyo Institute of Technology as a Research Associate (1992–1999), then was appointed to Associate Professor in 1999. His primary field is chemical crystallography. His current interests include 1) pharmaceutical crystals and its phase transition, 2) analysis of crystalline state reactions, and 3) crystal structure analysis from powder diffraction data. He was a senior co-editor of X-ray Structure Analysis Online journal, and also co-editor of Acta Crystallographica Section C, and editor of journal of Crystallographic Society of Japan. He is a council member of the Crystallographic Society of Japan and a board member of the Organic Crystals Division of the Chemical Society of Japan. He enjoys teatime with his students.
