1. Professor and Director of Cardiac Anesthesia.
2. Research Fellow.
3. Staff Scientist, Arrhythmia Management Research, Medtronic, Inc.
4. Professor of Anesthesiology and Pharmacology and Toxicology.
5. Professor of Anesthesiology, Medicine (Division of Cardiovascular Diseases), and Pharmacology and Toxicology and Vice Chair for Research of Anesthesiology, the Medical College of Wisconsin.