Toshio Yamaki is a professor of advertising at Tokyo Keizai University. His professional experience includes a 28-year affiliation with the Nihon Keizai Shimbun where he was marketing director, after which he became managing director of the Nikkei Advertising Research Institute. He has written numerous articles on advertising, but his main publications are Japanese Advertising History. A Comparison of World Television Commercials, and Now Practical Advertising Strategy.