Sytse Wybren Douma (born 1942) is a Dutch organizational theorist, consultant and Emeritus Professor at the Tilburg School of Economics and Management of the Tilburg University, known for his work with Hein Schreuder on "Economic approaches to organizations".
[1][2] Born and raised in Leeuwarden, Douma attended the Gymnasium of Leeuwarden, and in 1967 received his MA in applied mathematics from the University of Groningen.
From 1974 to 1979 he headed the department of financial services of the private bank MeesPierson.
In 1977 he return to the academic world as Associate Professor at the Interfaculteit Bedrijfskunde, where he received his PhD.
Douma's research interests are in the field of business strategy and economical organization theory.