Professor of International Marketing and Techniques of International Trade, Warsaw School of Economics, Warsaw (1961- ); Chairman, Supreme Council for Science and Higher Education (1986-1988, 1988-91)
Polish Chamber of Commerce (Vice President, Court of Arbitration), Polish Marketing Association, Polish Economic Association
AAA; Court of Arbitration, Polish Chamber of Commerce; ICC
Party-appointed arbitrator, neutral arbitrator, counsel, over 300 cases
Author of 15 books on international marketing, organization and techniques of international trade as well as over 100 articles.