- Civil engineer Romanian Government, Bucharest, 1947-1964, Rella et Company, Vienna, 1964-1965, Hydrotech. Corporation, New York City, 1965-1966, Leon Selzer Associate P.E.C.P., New York City, 1966-1976. Private practice Long Island City, since 1976.
Member American Romanian Relief Foundation, New York Academy of Sciences, Romanian General Engineering Association (court technical expert 1948, 64), Professional International Journalists Union Romania, International Writers Association Ohio, International Association Romanian Writers and Artists Georgia, American Legion, Romanian Vexilologic Society, Romanian Academy Society Münich, Society of America Inventors, Haiku Society of America, Haiku Society Romania, Constanta Haiku Society Romania.
1947 - 1964
1964 - 1965
1965 - 1966