Yoshihisa Hayakawa serves as a professor of law at Rikkyo University, Tokyo. He also teaches and researches in a number of foreign universities including Columbia University, Cornell University, QM College of University of London and Australian National University. He teaches and researches in the fields of Law of International Business Transactions, Private International Law, International Investment Law, Transnational Litigation, International Commercial Arbitration and Cross-Border Bankruptcy.

He also serves as a practicing lawyer at Uryu & Itoga, Tokyo. He serves as a counsel in many cases of transnational litigation and international commercial arbitration as well as serving as an arbitrator in many arbitration cases.

He also works for a number of governmental and inter-governmental organizations. He has served as a representative from Japan for UNCITRAL since 2000 until now. He also served as a representative from Japan for the Hague Conference on PIL. Additionally, he has served as a member of many advisory committees for Japanese Government including Ministry of Justice, Ministry of Foreign Affairs and Ministry of Economy, Trade& Industry. And he serves as Vice-chair of Int’l Committee of Tokyo Bar Association.