 High school teacher, state certification in mathematics and English, Department of Education, Toledo Public Schools, Toledo, Ohio, part-time 1972-74; University of Colorado at Colorado Springs, instructor, 1982–84; Regis College at Colorado Springs, adjunct assistant professor, 1982–86; Northern Kentucky University at Highland Heights, assistant professor starting in 1987, awarded early tenure and early promotions to both associate and full professor.University of Toledo Teaching Assistantship, 1972-1974; Rice University Fellowship, 1975; Outstanding Junior Professor in the College of Arts & Sciences for Scholarship and Teaching at Northern Kentucky University; Invited referee for the following journals — Philosophy of Science (Philosophy of Science Association), Laval Théologique et Philosophique (Laval Université), and Dialogue