Lecturer Ashram College, Rlyhen, 1977—1987, Hoogsi Hogeschool, Der Haag, 1987—1998. Course manager The Hague University, The Hague, Netherlands, 1998—2002, director commercial relations, 2002—2004, director Academy of Facility Management, since 2004. Guest professor University Mining and Metallurgy, Krakow, Poland, 2002—2003.
Member city council City of Fer Aar, 1996—2000, vice mayor, alderman, 1990—1998. Member of Rotary.
Married Gonny Otto-Geerlings, June 5, 1980. Children: Maarten, Frank, Paul, Esther.