is a Japanese politician of the Liberal Democratic Party (LDP), who serves as a member of the House of Representatives since 2024. He was appointed as Parliamentary Vice-Minister for Foreign Affairs in the First and Second Takaichi cabinet. He was previously a mayor of Kawachinagano, Osaka from 2016 to 2024 for two consecutive terms.
After completing his B.Eng. degree in information science at Kyoto University and his M.Sc. degree in information science at University of Tokyo, Shimada worked at A.T. Kearney, a management consulting company in Tokyo. He then worked in Singapore as a manager for a manufacturing company (Framatome Connectors International), an IT company (Fujitsu Computers), and a venture company in the area of marketing and sales. During this time, he also earned an M.B.A. (part-time) degree from National University of Singapore. In 2005 Shimada earned his Ph.D. degree from INSEAD in France. He worked for International University of Japan as Assistant Professor of Management from 2005 to 2006, and Kobe University as Associate Professor of Operations Management from 2007 to 2016.
Shimada is married with one daughter. He ran more than 60 full marathons, and his best record is 2:50:57 in Itabashi City Marathon 2023.