After finishing the HBS, Peper studied social sciences at the University of Amsterdam until 1965 and economy and sociology at the University of Oslo (1963/1964) and got his PhD at the Nederlandse Economische Hogeschool (Currently Erasmus University) in 1972.
Dade attended the Hogere Burgerschool on the Weteringschans, and was later employed as an officer for the Koninklijke PTT Nederland.