After ending his cycling career, De Cauwer was team manager of ADR; the ADR won the Tour of Flanders and Paris–Roubaix in 1988, and with which Greg LeMond won the 1989 Tour de France. In 1997 he became team manager of the Belgian national cycling team. He retired as national team manager in 2005 after Tom Boonen's win in Madrid. Until the end of 2008 he was manager of the youth education of Silence–Lotto.
De Cauwer is co-commentator for cycling races on the public broadcaster VRT.