商法、金融、能源法、投资法
Studies of Law at University of Heidelberg (1971 – 1975 ), 1st State Examination in Law Apprentice at Court of 2nd Instance Karlsruhe/Germany (1975-1978) 2nd State Examination Research stay in Lebanon, Israel, Jordan and Egypt (1979/1980) with a scholarship of Volkswagen-Foundation PHD in Law, University of Heidelberg/Germany, (1982), Dr. iuris, , magna cum laude