Alex Mulder has been a member of the supervisory board of USG People NV since 2006, where he is a member of the remuneration and appointments committee. In 1972, at the age of 25, he founded staffing firm Unique Uitzendbureau, which merged with rival staffing firm Goudsmit in 1997 to form USG People. Mulder was chairman and CEO of USG from its inception until 2006. During his tenure Mulder oversaw the acquisitions of a Start Holding in 2002, an employment agency that had been privatised by the Dutch government six years earlier, and Belgian staffing group Solvus.