Medical School, Airlangga University, MD, 1967
Medical School, Fredrich Alexander Univ.Germany, Dr.med (PhD) 1972
Surgical Clinic, Erlangen-Nuernberg, Germany, Residency, 1969-1973 Thoracic Cardiovascular Surgery,
Airlangga University, Dr.Soetomo Hospital, General Surgery Residency, 1967-1969; continued 1973-1975
Ohio University, Ford Foundation Visiting Professor, University Management, 1981
Ball State University, Visiting Scholar, Computer Center Management, 1981
Greenlane Hospital,Auckland- NZ Dept.Thoracic Cardiovascular Visiting Faculty, 1995
Kentucky University,Research and Public Service Visiting Faculty, 1996
Full-Professor of Thoracic and Cardiovascular Surgery, Airlangga University, 1997
Harvard University Kennedy School of Government, 2000
Cell and Tissue-transplant
Healthcare and University Management
Heart - Lung Transplantation
Living related Lung Transplantation
Surgery of Complex Congenital Heart Disease
Cardiovascular Bio-Molecular Medicine