Professor of Commercial Law, Law Faculty, Univ. of Madrid (1977- ); Director, Inst. of Comparative Law, Univ. of Madrid (1981- ); Director, Financial Studies College (1978- ); Permanent Member, General Codofication Committee, Department of Justice (1987- ); Rector, Spanish Royal College, Bologna; Founding member and director, Inst. of Italo-Iberoamerican Comparative Law, Spanish Royal College, Bologna; Professor, Spanish Speaking Countries’ Law, Univ. of Padva; Professor, Public Economy Law, Univ. of Bologna; Director, Spanish Law Inst. Rome; Chairman, Spanish Delegation to the 1983 Geneva Diplomatic Conference on the Convention on Agency in the International Sale of Goods; Advisor Committee member, La Ley (1980- ); Editor-in-chief, Rev. Corte Esp. Arb. (1984- ); Director, Rev.de la Facultad de Derecho de la Universidad Complutense Madrid (1983-1989); Editor-in-chief Rev. Derecho de los Negocios (1990- ); Foreign Consultant, Riv. Diritto
dell’Economia (Milano 1987- ); Editor Col. Studia Albornotiana (Bologna- Madrid, 1958- ); Director, Estudios Empresariales y Financieros (Madrid 1982- ); Editorial committee member, Rev. de Derecho Merchantil (Madrid); Schientific Council member, Rev. española de serguros (Madrid, 1997- )