関西哲学会
, 中世哲学会
, ボッフム古代中世哲学年報
, Societas Philosophiae Doshisha
, Member of the Committee of the Japanese Society of Medieval Philosophy
, Germany
, Member of the Editorial Board for "Bochumer Philosophisches Jahrbuch für Antike und Mittelalter"
, Societas Philosophiae Doshisha