In 1960, Statius Muller left his position at the University to accept a job as a civil servant, initially in Willemstad, Curaçao, where he collaborated on the creation of a security service.
In 1972, Statius Muller relocated to the Netherlands, later describing his move as follows: Statius Muller worked for a long time in a management position at the Domestic Security Service ("BVD") in The Hague, and then at NATO headquarters in Brussels.
Frédéric Chopin's mazurkas and waltzes that were often performed in Curaçao also influenced his work.
Statius Muller was praised as a mentor and inspiration to young musicians in the Caribbean part of the Kingdom.
[citation needed] In 1994, Wim Statius Muller recorded a CD as a pianist, performing his own compositions, Antillean Dances Opus 4, on René Gailly CD87018.