2001-present Professor (CHS) of Pharmacy, Medicine, and Pediatrics; Pharmacy Practice Division, School of Pharmacy, and Allergy, Pulmonary & Critical Care Division, School of Medicine and Public Health, University of Wisconsin, Madison. 2000-present Investigator in the Morris Institute for Respiratory Research, University of Wisconsin, Madison. 2003-2007 Chair, Pharmacy Practice Division, School of Pharmacy, University of Wisconsin, Madison. 1994- 2001 Associate Professor (CHS) of Pharmacy, Medicine, and Pediatrics; Pharmacy Practice Division, School of Pharmacy, and Allergy Division, School of Medicine, University of Wisconsin, Madison. 1989-1994 Associate Scientist, Dept. of Medicine, Allergy Division, University of Wisconsin Clinical Science Center 1981-1994 Clinical Associate Professor of Pharmacy, University of Wisconsin School of Pharmacy 1988-1989 Research Associate, Dept. of Medicine, Allergy Division, Univ. of Wisconsin Clinical Science Center 1986-1988 Postdoctoral Fellow, Department of Medicine, Allergy Division, Univ. of Wisconsin Clinical Science Center 1982-1986 Research Assistant, The John Rankin Laboratory of Pulmonary Medicine, Dept. of Preventive Medicine, University of Wisconsin 1977-1981 Clinical Assistant Professor of Pharmacy, University of Wisconsin School of Pharmacy, and Center for Trauma and Life Support, University of Wisconsin Hospitals, Madison, Wisconsin 1974-1977 Assistant Professor of Pharmacy, State University of New York at Buffalo and E.J. Meyer Memorial Hospital, Buffalo, New York 1972-1974 Pharmacy Resident, University of Wisconsin Hospitals, Madison, Wisconsin.

Mechanisms of obstructive airway disease; Virus-induced airway dysfunction; Severe asthma; Airway physiology and structure/function correlates