Theun is a core member of Spencer Stuart’s Industrial Practice. He leverages his prior experience in two blue chip multinationals to quickly assess client and candidate needs and expectations. Theun is known for his perseverance and creativity in finding diverse talent globally, and for helping unlock the potential in individuals and teams. His client work spans organizations of all sizes, from startups to large multinationals, both publicly and privately held. He has lived and worked in four different countries, and is fluent in English, French, German and Dutch. Theun also serves as co-president of the INSEAD Alumni fund in the Netherlands.


Theun has specialized experience in:

  • CEO and senior management succession
  • Recruitment of executives for private equity portfolio companies
  • Specific industry expertise in aerospace & defence, automotive & mobility, engineered products & solutions, industrial services, industrial technology, infrastructure

Previous Experience

  • 15 years as a partner with another international executive search and leadership consulting firm, including managing partner of the Amsterdam office
  • 15 years in industry, holding several senior management roles at Royal Philips and Fokker Aircraft in Germany, France, Belgium and the Netherlands


  • MBA, INSEAD, Fontainebleau, France
  • MSc Industrial Design Engineering, Delft University of Technology, Delft, The Netherlands
  • International Director Program (IDP), INSEAD, Fontainebleau, France

Practice Areas