Toshihiro Okuyama, Japan, is a professor at the department of Journalism in Sophia University and a former reporter for the newspaper Asahi Shimbun.

In his 33 years with the newspaper, Okuyama wrote about public prosecutors, the judiciary system and Japan's Ministry of Finance. He has investigated a number of financial scandals and wrote the books "Declassification of the Lockheed Scandal: How Kakuei Tanaka Earned the Enmity of the US Government"; "Power of Whistleblowing: What Would Whistleblower Protection Act Protect?" and “Reportage TEPCO: A Month of Nuclear Crisis.” He’s co-authored other books, including "Giso UkeoiDisguised Employment Contracts: Workers in the Gap- Widening Society."Okuyama was a Scholar in Residence at the Investigative Reporting Workshop at the American University. He also is a part-time lecturer at the Graduate School of Journalism of Waseda University, in Tokyo. He became a professor in 2022.