Ryo Horiuchi worked at The Mainichi Newspapers and The Shizuoka Shimbun before becoming a staff writer of Diamond Weekly in 2017. He oversees coverage of the electricity, gas, and oil industries. Some of his major stories include: “The Most Powerful Biographies of Owner-Presidents ” and “Another New Energy War Escalated by EV.” He enjoys golf, and currently tries to walk 10,000 steps a day to keep fit.