Shortly after the fall of the Berlin Wall, he was invited to Austria, where from 1990 to 2001 he was director of the Museum of Modern Art Foundation Ludwig Vienna, where he developed one of the largest and most complex collections of Contemporary art of the countries of Eastern Europe and Central Europe, to which he dedicates two great exhibitions: "Reduktivismus - Abstraktion in Polen, Tschechoslowakei, Ungarn (Vienna, 1992), Aspects, positions: Fifty years of art in Central Europe" (Vienna, Barcelona, Southampton 1999).