清华大学法学院教授、博士生导师，《清华法学》主编，清华大学学位委员会委员、法学院学位委员会主席，清华大学研究生招生委员会委员，中国国际经济贸易法学研究会暨中国法学会国际经济法学研究会副会长，中国法学期刊研究会副会长，北京一带一路法律研究会副会长，北京仲裁委员会副主任，中国国际经济贸易仲裁委员会仲裁员，最高人民法院涉外商事海事审判专家库专家。
Professor and doctoral supervisor of Tsinghua University Law School, editor-in-chief of "Tsinghua Law", member of Tsinghua University Degree Committee, chairman of Law School Degree Committee, member of Tsinghua University Graduate Admission Committee, China International Economics and Trade Law Research Association and China Law Society Vice President of International Economic Law Research Association, Vice President of China Law Journal Research Association, Vice President of Beijing One Belt One Road Law Research Association, Deputy Director of Beijing Arbitration Commission, Arbitrator of China International Economic and Trade Arbitration Commission, Supreme People's Court Foreign Commercial Maritime Trial Expert library experts.