Mr Flemming was born in 1948 in Denmark and trained as a civil engineer in chemistry where he earned a PhD from the country's Technical University. He became President and CEO of Tulip Slagteriern in 1989 and Tulip International between 1990 and 1996.
In 1997, he became President and CEO of Carlsberg Breweries which then led him to Royal Scandinavia, the Danish industrial holding company, as President and CEO . He was also Chairman of H. Lundbeck A/S in 2003 to 2007.
He is also Chairman of the Board of Illums Bolighus A/S, DELTAQ A/S, ToneART A/S, Institut for Selskabsledelse A/S, Nordic Management Artists A/S, PRIME OFFICE A/S, Designmuseum Danmark and DPA System.