1943
Born to Holger and Inger Buch in Copenhagen, Denmark during World War II.
1969
Earns a Doctor of Medicine from Copenhagen University; Receives numerous grants from the Danish Cardiological Society through 1987.
1969
Is a physician and cardiologist at the Copenhagen University Hospital until 1987.
1969
Works within the Department of Cardiology and Aviation Medicine at Rigshospitalet until 1975.
1975
Is a medical and surgical resident at the Diakonissestiftelsen until 1977.
1977
Works within the Department of Cardiology and Invasive Laboratory at Rigshospitalet until 1983.
1983
Works within the Medical and Cardiology Department at Amtssygehuset Glostrup until 1986.
1984
Is a specialist in internal medicine and cardiology at Copenhagen University.
1987
Is a medical director of Pfizer in Copenhagen until 1991.
1992
Serves Pfizer in New York City as senior associate medical director.
2003
Is a medical director and senior medical director for Pfizer until approximately 2006.
2005
Receives a Pfizer Achievement Award for the ASCOT Project.
2006
Is a senior medical director and global team leader for Pfizer until approximately 2009.
2009
Commences his retirement; Is a consultant in cardiology at the Pfizer Headquarters until 2015.
2015
Serves as chairman of the Danish Bibliophile Club until 2019.