Toshiyuki Moriuchi is a Japanese professional shogi player, ranked 9-dan. He is a Lifetime Meijin who won the title eight times, and also a former Ryūō, Kiō and Ōshō title holder. He is also a former senior managing director of the Japan Shogi Association.

Yoshiharu Habu is a professional shogi player and a chess FIDE Master. He is a former holder of the Ryūō, Meijin, Ōi, Ōza, Kiō, Ōshō and Kisei major titles. He was the first person to simultaneously hold seven major professional shogi titles at the same time and is the only person to qualify as a lifetime title holder for seven major titles. In January 2018, Habu became the first professional shogi player to be awarded Japan's People's Honour Award. In June 2023, he was elected to the board of directors of the Japan Shogi Association (JSA), and chosen by the board to be the JSA president.