Tribhuvan University, Nepal (Intermediate of science 1985)
Calcutta University,Medical School/India (M.B.B.S,1992)
Bir Hospital/ Nepal, General surgical Residency(1992-1995)
Cardiothoracic & Vascular Surgical Residency Hanover Medical School, Hanover, Germany 1996-2002
Cardiac Surgery Board Certification 2002, Hanover / Germany
Staff Surgeon, Hanover Medical School, Germany since November 2003-2006
Director, Coronary & Valve Surgery since Oct. 2006-2011
Chief Staff Surgeon 2011-2015
Director of Aortic Surgery 2011-2022, Hannover Medical School
Professor of Cardiac Surgery, Hannover Medical School 2012
Vice Chairman of the Department of Cardio Thoracic, Transplantation & Vascular surgery 2016-2022
Professor of surgery, Cardiovascular surgery, and Director, Aortic Center, Mayo Clinic Rochester, MN, USA since October 2022