Since 1991 he has been the Executive Director of the Federation of Jewish Communities in the Czech Republic in which position he was rebuilding the whole infrastructure of Czech Jewish Communities.
He was in charge of legislation and by-laws, creating the position of the Federation visa-vis the Czech authorities as well as international Jewish organizations and other entities. He has been also dealing with Czech and foreign media.
His main task was, however, the negotiations for return of Jewish property and for compensation for Holocaust survivors. Under his leadership the Federation achieved the restitution of some communal real-estate and initiated the legislation for return of individual Jewish properties. Dr. Kraus participated in many other efforts trying to rectify the injustices caused by the two totalitarian regimes, Nazism and Communism, not only on Czech national but also on international top political level.
Since 1999 Dr. Kraus has also been active as a professor, teaching at New York University and other training programs in Prague. He is a long-time member of the European Jewish Congress Executive.