– Management Team –
Mitsuru Kitaichi CEO：Chief Exective Officer
Graduated from Ritsumeikan University’s Department of Applied Chemistry, College of Science and Engineering in 2008. Completed a Master’s degree in Applied Chemistry at Ritsumeikan University’s Graduate School of Science and Engineering in 2010. Joined Samsung Diamond Industrial Co., Ltd. in the same year, engaging in research and development of diamond tools and the development of cutting processes for compound semiconductors. Held positions as Senior Researcher and Section Manager of the Technical Research Department in the R&D Division. Founded ExtenD Corporation on July 4, 2022, and currently serves as the President and CEO.
Awards: 2021 Technology Award from the Japan Society for Abrasive Technology (JSAT)
Shinya Ohmagari CTO：Chief Technical Officer ( Doctor of Engineering )
After graduating from the Department of Production and Information Systems Engineering at Ariake National College of Technology, completed a Doctoral course in Quantum Process Engineering at Kyushu University’s Graduate School of Engineering in 2012. Holds a Doctorate in Engineering. Following a position as a JSPS Research Fellow (PD), joined the National Institute of Advanced Industrial Science and Technology (AIST) as a researcher in 2013, where he engaged in research and development on diamond crystal growth and electronic device applications. Served as a Senior Researcher at the Advanced Power Electronics Research Center and the Sensing System Research Center.
In addition to his research work, he has contributed to society by serving as the Representative Director of the NPO Kyushu Mirai Juku, the Representative of the Young Researchers’ Chapter for the Kyushu Region of the Japan Society of Applied Physics since 2022 (Founding Member), and as an International Committee Member and Young Researchers’ Association Steering Committee Member of the New Diamond Forum. He has authored 65 peer-reviewed academic papers. In 2022, he was appointed as the Director and CTO of ExtenD Corporation.
Awards: 41st Electronic Materials Symposium EMS Award (2022), 45th Japan Society of Applied Physics Autumn Meeting Encouragement Award (2018), 65th Japan Society of Applied Physics Spring Meeting Poster Award (2018), 28th Diamond Symposium Excellent Presentation Award (2014), IUMRS-ICA Young Scientist Awards Bronze (2014), 24th Diamond Symposium Excellent Presentation Award (2010), Graduate School Award, Kyushu University Graduate School of Engineering (2010).
Keitaro Okamoto COO：Chief Operating Officer
Graduated from Kansai University’s Faculty of Economics in 1981 and joined Nissho Iwai Corporation (now Metal One Corporation) in the same year, where he was engaged in overseas marketing of steel-related raw materials, equipment, and LCD/semiconductor-related products. From 2002, he spent nearly 20 years working on overseas projects, primarily focusing on development projects for APPLE at a semiconductor equipment manufacturer. In 2022, he joined ExtenD Corporation as the Head of Marketing in the Business Strategy Office. In 2023, he was appointed as Director and COO of ExtenD Corporation.
– Advisory Team –
Takuma Kadowaki CFO：Chief Financial Officer
With approximately 20 years of experience in corporate finance and investment banking at Mitsubishi UFJ Bank, Ltd. and Polaris Capital Group Co., Ltd., he directed 11 acquisitions as an Executive Officer at F-Code, Inc. In April 2024, he was appointed as Chief Financial Officer (CFO) of ExtenD Corporation, overseeing the finance department.
Atsushi Otake CSO：Chief Science Officer
Completed a Master’s degree at Keio University’s Graduate School of Science and Technology in 2001 and a Doctoral degree at Tokyo University of Agriculture and Technology in 2009. Holds a Ph.D. in Engineering. Worked at a global chemical company, focusing on the development of surface treatment products using electrochemical measurements. Has filed over 80 patent applications.
Since 2021, he has been a Specially Appointed Lecturer at Keio University, conducting electrochemical research on diamond electrodes. He has published 8 peer-reviewed academic papers.
In April 2024, he was appointed as the Chief Science Officer (CSO) of ExtenD Corporation.
Yoshiyuki Okumura CWO：Chief Wine Officer
Graduated from Kyoto University’s Faculty of Agriculture, specializing in Resource Biology and Chemistry, with a focus on Soil Science.
Completed training at Sadoya Winery in Yamanashi and Domaine Royal de Jarras in France. Earned a Vinifera MSc. in Viticulture and Oenology in France and Germany. Appointed as Assistant Representative Director and Secretary General of the Japan Viticulture Association (JVA).
Qualifications: WSET Advanced Certificate, WSET Sake Advanced Certificate, JSA Wine Expert, Soil Master (Soil Doctor Certification Level 2).
Books: Kindle book “Wine and Microbiology,” translation of grape-related books and papers, “2020 Report on Trends in Grape Vine Saplings for Winemaking,” contributor to Winart, Issue 107, Special Feature “Winemaking for the Future,” and more.