Assistant laboratory supervisor St. Francis Hospital, Breckenridge, Minnesota, 1973—1974. Staff technologist St. John's Hospital, Fargo, North Dakota, 1974—1976. Health occupations division chairman, medical laboratory science program director East Grand Forks (Minnesota) Area Vocational Technology Institute, 1976—1983.
Hematologist, medical technologist, laboratory safety officer United Hospital, Grand Forks, 1977—1984. Private management and educational consultant in health care and health/technical education C.J. Lewis & Associates, Fargo, North Dakota, since 1984.
Assistant district commissioner Northern Lights council Boy Scouts American, past assistant council commissioner training. Member of National Education Association, Association Master of Business Administration Executives, American Vocational Association, North Dakota Society Medical Technology, American Society Medical Technology, American Society Clinical Pathologists, Fargo Lions Lodge.