1987 - Postdoctoral, Oregon Health & Science University
1984 - Ph.D., Oregon State University
1978 - B.A., University of Kansas

2009–present - Professor, MMI, Oregon Health & Science University
1987–2009 - Affiliate faculty, Oregon Health & Science University
2000–present - Professor, Department of Chemistry, Portland State University
1995–1999  Associate Professor, Department of Chemistry, Portland State University
1991–1994 - Assistant Professor, Department of Chemistry, Portland State University
1987–present - Staff Scientist, Principle Investigator/Director, Experimental Chemotherapy Lab, VA Medical Center, Portland, OR
1984–1986 - Postdoctoral Fellow, Division of Hematology and Medical Oncology, Oregon Health & Science University
1978–1979 - Junior Staff Scientist, Midwest Research Institute, Kansas City, MO