Sabbatical Leave at the St. Mary's Hospital Pathology Lab, Winter Semester 1982
Sabbatical Leave at Butterworth Hospital Clinical Nutrition Lab, Fall Semester 1989
Sabbatical Leave at VanAndel Research Lab, Winter Semester 2005
Sabbatical Leave at GVSU Cook DeVos Center, Fall Semester 2016, "Site Directed Mutagenesis and Kinetic Analysis of Mutants of OXA-24 B-Lactamase"
Assistant Professor of Chemistry 1974-1978
Associate Professor of Chemistry 1978-1988
Professor of Chemistry 1988-2019
GVSU Outstanding Teacher Award 1987
Chair of Department of Chemistry 1990-2005
CHM 462, Biochemistry Laboratory
CHM 463, Biochemistry II
CHM 109, Introductory Chemistry
CHM 230, Introductory Organic and Biochemistry
"A Reversible Sulfhydryl-Calalyzed Structural Alteration of Bovine Mercaptoalbumin" Biochemistry, Vol. 10, No 24, 1971
CHM 232 Laboratory Manual (published in house, editor of and co-authored original manual, revised as needed)
CHM 109 Laboratory Manual (published in house, authored original manual, revised as needed)
CHM 230 Laboratory Manual (published in house, authored original manual, revised as needed)