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 also serves as a partner 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 serves as a representative from Japan for a number of inter-governmental organizations including UNCITRAL, APEC (ODR Project), ISO (ODR Project) and the Hague Conference on PIL. And he serves as President of Sport Law Commission of UIA, Japanese Member for Commission on Arbitration and ADR of ICC, Japanese Member of Users Council of SIAC and Arbitrator for Court of Arbitration for Sport. He also serves as Chair of IT/ODR Section of Japan Federation of Bar Associations.