He was a Research Fellow of the JSPS in the Graduate School of Engineering, Nagoya Institute of Technology, Aichi, Japan, from 2003 to 2005. He is currently an Assistant Professor of the Graduate School of Information Science, NAIST. From March 2001 to March 2003, he was an Intern Researcher at the ATR Spoken Language Communication Research Laboratories, Kyoto, Japan, and then he was a Visiting Researcher at the ATR until March 2006. He has been a Visting Researcher at the NICT, Kyoto, Japan, since May 2006. He was also a Visiting Researcher at the Language Technologies Institute, CMU, Pittsburgh, USA, from October 2003 to September 2004 and at the Department of Engineering, University of Cambridge, Cambridge, UK, from March 2008 to August 2008, respectively. His research interests include statistical approaches to speech processing such as voice transformation, speech synthesis, speech analysis, speech production, and speech recognition.
He received the 18th TELECOM System Technology Award for Students and the 23rd TELECOM System Technology Award from the TAF, the 2007 ISS Best Paper Award from the IEICE, the 10th Ericsson Young Scientist Award from Nippon Ericsson K.K., the 4th Itakura Prize Innovative Young Researcher Award and the 26th Awaya Prize Young Researcher Award from the ASJ, and the 2009 Young Author Best Paper Award from the IEEE SPS. He was a member of the Speech and Language Technical Committee of the IEEE SPS from 2007 to 2009. He is a member of IEEE, ISCA, IEICE, IPSJ, and ASJ.