Medical School Free University of Berlin (State Exam1991, M.D. 1992)
Harvard School of Public Health (M.P.H. 2008)
Arzt im Praktikum Goettingen University (1991-1992)
University of Maryland Pediatric Residency (1993-1996)
Cornell-New York Presbyterian Hosp. Pediatric Cardiology Fellow (1996-99)
German Heart Institute Berlin Clinical Fellow Congenital Program (1999-2000)
Great Ormond Street London Cardiac Imaging Research Fellow (2001)
Denver Children's Hospital Colorado U - Instr Pediatrics (2001-2003)
Tufts-New England Medical Center Boston, MA, Assist. Prof .(2003-2007)
Penn State University, Hershey, PA, Associate Prof. (2007-2017)
Pediatrix Cardiology of Southern California (2017-2020)
Long Beach Memorial Miller Children's, CA, Medical Director, Pediatric Cardiac Imaging (2017-2019)
University of California, Irvine, Associate Clinical Professor (2017-2020)