Dr. Paul J. Pearson is joining NorthShore University HealthSystem as head of cardiac surgery. Pearson, a renowned thoracic and cardiac surgeon, comes to NorthShore from Mayo Clinic in Rochester, Minn., and St. Joseph's Hospital in St. Paul. A pioneer in minimally invasive techniques to treat atrial fibrillation, Pearson has been recognized with awards including the O.T. Clagett Travel Award for outstanding clinical and academic achievement from Mayo. He has a bachelor's degree from Wheaton College, an M.D. from Mayo Medical School and a Ph.D. in cardiovascular physiology from the Mayo Graduate School of Medicine.