Born to Holger and Inger Buch in Copenhagen, Denmark during World War II.
Earns a Doctor of Medicine from Copenhagen University; Receives numerous grants from the Danish Cardiological Society through 1987.
Is a physician and cardiologist at the Copenhagen University Hospital until 1987.
Works within the Department of Cardiology and Aviation Medicine at Rigshospitalet until 1975.
Is a medical and surgical resident at the Diakonissestiftelsen until 1977.
Works within the Department of Cardiology and Invasive Laboratory at Rigshospitalet until 1983.
Works within the Medical and Cardiology Department at Amtssygehuset Glostrup until 1986.
Is a specialist in internal medicine and cardiology at Copenhagen University.
Is a medical director of Pfizer in Copenhagen until 1991.
Serves Pfizer in New York City as senior associate medical director.
Is a medical director and senior medical director for Pfizer until approximately 2006.
Receives a Pfizer Achievement Award for the ASCOT Project.
Is a senior medical director and global team leader for Pfizer until approximately 2009.
Commences his retirement; Is a consultant in cardiology at the Pfizer Headquarters until 2015.
Serves as chairman of the Danish Bibliophile Club until 2019.