He was the son of Professor Edouard Suenson, engineer, and of Henriette Benedicte Hartmann.
After studies at the Royal Danish Academy of Fine Arts in Copenhagen, he first worked with Kay Fisker and Søren Christian Larsen (1925–29) and Kaj Gottlob (1929–30) before starting an autonomous activity as architect in 1930.
[1][2] The buildings are reputed for their simplicity and proportions and exercised a major influence on the likes of Arne Jacobsen and Poul Kjaerholm.
Suenson owned the Rygaard property in Søllerød, North of Copenhagen and established there the 220 hectare local natural park, at great cost for himself.
Suenson had also an important teaching activity and was from 1956 to 1965 the Rector of the Royal Danish Academy of Fine Arts in Copenhagen.