Research, Toledo Hospital, 1943-1959, Armour and Company, Chicago, 1959-1960. National Defense Research Committee fellow Purdue University, 1941-1942. With Veterans Administration Hospital., Hines, Illinois, from 1960.
Research assistant professor biochemistry Chicago Medical School, 1962-1969. Associate professor Loyola University Stritch School Medicine, 1969-1974, professor, from 1974.
Fellow American Association for the Advancement of Science. Member American Chemical Society (past chairman Toledo section), American Association Clinical Chemists (chairman Chicago section 1969-1971, director 1975-1977, president 1979), New York Academy Sciences, Illinois Academy Science, Council of Scientific Society Presidents (secretary from 1980), Sigma Xi. Club: Torch (president 1963-1964).