略歴（Biography）
山川清弘（やまかわ・きよひろ、1967年生まれ）は、日本の経済ジャーナリスト。早稲田大学政治経済学部卒業後、東洋経済新報社に入社。放送、建設、金融、小売、旅行など幅広い業界を担当する記者を務め、英国オックスフォード大学にロイター・フェローとして留学した。『会社四季報プロ500』編集長、『会社四季報』副編集長、『週刊東洋経済プラス』編集長、『株式ウイークリー』編集長などを歴任し、現在は「会社四季報オンライン」編集部編集委員。企業分析や産業・財閥研究を専門とし、豊富な取材経験とデータ分析に基づく解説で知られる。著書に『ホテル御三家―帝国ホテル、オークラ、ニューオータニ』『教養としての三菱・三井・住友』、『世界のメディア王 マードックの謎』（共著）などがある。
Kiyohiro Yamakawa (born 1967) is a Japanese business journalist specializing in corporate analysis, industry trends, and the history of Japanese business groups. After graduating from Waseda University, he joined Toyo Keizai Inc., where he covered a wide range of industries including broadcasting, construction, banking, retail, and travel. He was selected as a Reuters Fellow at the University of Oxford, conducting research on the media industry. During his career at Toyo Keizai, he served as Editor-in-Chief of Kaisha Shikiho Pro 500, Deputy Editor-in-Chief of Kaisha Shikiho, Editor-in-Chief of Weekly Toyo Keizai Plus, and Stock Weekly, and currently serves as an Editorial Board Member for Kaisha Shikiho Online. Drawing on decades of reporting and financial analysis, he has written extensively on Japanese corporations, financial markets, and the historical development of business groups. His notable books include "Japan's Three Great Hotels: Imperial Hotel, Okura, and New Otani," "Understanding Mitsubishi, Mitsui, and Sumitomo," and "The Mystery of Rupert Murdoch: The World's Media King" (co-authored).
