Since 1998 till 2001 Nisan was a Head Lecturer of Optometry and Contact Vision correction Course of Vision disease Department at the Federation Institute for Biomedical Problems of the Healthcare Ministry of the Russian Federation.
Socialist Federal Republic of Yugoslavia | Federal Bureau of Investigation | Federal Communications Commission | Central Intelligence Agency | Federal Aviation Administration | United States federal judge | Federal government of the United States | National Security Agency | European Space Agency | International Atomic Energy Agency | United States Environmental Protection Agency | Canadian federal election, 2004 | Federal Emergency Management Agency | Australian federal election, 2007 | United States Agency for International Development | Distrito Federal | Federal Trade Commission | United States Information Agency | Federal People's Republic of Yugoslavia | Federal | Canadian federal election, 2006 | Canadian federal election, 1993 | Canadian federal election, 1988 | Federal District (Brazil) | Federal architecture | United States Court of Appeals for the Federal Circuit | Environment Agency | Chancellor of Germany (Federal Republic) | Canadian federal election, 1984 | Federal Deposit Insurance Corporation |