Vassili Moussis is an English qualified lawyer who is registered to practise law in Japan. His practice focuses on EU and international competition law with a particular emphasis on inbound and outbound merger control and international cartel matters. He is also advising on a wide range of issues including energy related issues, distribution arrangements, intellectual property and other commercial matters, which often have an international dimension. Vassili is recognized in the Hall of Fame of competition lawyers in Japan by Legal 500 Asia-Pacific and as a Leading Individual for antitrust and competition law in Japan by Chambers Asia-Pacific for over 10 years now. Clients have praised him for his expertise in international competition cases as well as "his technical knowledge, commercial awareness, effectiveness and client service" as well as for being "a great bridge between Japan and the rest of the world", Legal 500 Asia-Pacific 2025 and Chambers, Asia-Pacific 2020 and 2021.

Hideto Ishida is an of counsel at Anderson Mori & Tomotsune, and counsels a variety of domestic and foreign multinational companies in Japanese anti-trust and competition matters, including those relating to cartels, mergers and acquisitions, joint ventures, distribution agreements, license agreements and other cooperation agreements. He also represents many companies involved in investigations before the Japan Fair Trade Commission and other foreign competition authorities for price cartels, bid rigging and similar serious alleged violations such as vitamin, graphite electrode, GIS, marine hose, air fare, LCD, Auto parts, Maritime, Libor/Tibor FX international and certain Bond international cartels. He served for seven years as the first attorney appointed as a special investigator with the Japanese Fair Trade Commission and thus has a keen sense of the actual and practical application of antitrust and distribution regulations to companies doing business in Japan.

Shigeyoshi Ezaki is a partner at Anderson Mori & Tomotsune and has a general corporate practice, which includes advising and assisting Japanese and foreign clients with respect to antimonopoly law, corporate law, trade regulations and intellectual property law. In addition to his professional experience at the firm, Mr. Ezaki worked for the New York firm of Weil, Gotshal & Manges as a foreign attorney (1998 to 1999).

Yusuke Nakano is a partner at Anderson Mori & Tomotsune, with broad experience in the areas of antitrust, business dispute resolution, mergers and acquisitions, and intellectual property. In the antitrust area, he has particularly broad experience in cartel investigation and merger control, including international ones. Further, Mr. Nakano has assisted many Japanese companies and individuals involved in antitrust cases in foreign jurisdictions, in close cooperation with co-counsel in those jurisdictions. He has also represented various companies in administrative, civil and criminal litigation, mass and complex litigation, innovative mergers and acquisitions, joint ventures, and licensing arrangements. In addition to his professional experience at Anderson Mori & Tomotsune, Mr. Nakano worked for the New York law firm of Skadden, Arps, Slate, Meagher & Flom LLP, as a foreign intern (2001 to 2002).