Frits stepped down from ASML’s Board of Management in 2021. He had rejoined the company in early 2001 as Vice President Customer Support, having previously been with ASML from its founding in 1984 through 1992. In this period he held several positions in engineering, program management and sales. In 2008, he was appointed as Executive Vice President Integral Efficiency and joined ASML's Board of Management in 2009. He remains an advisor to the company.
Frits is Chairman of the Supervisory Board of Kendrion, member of the Supervisory Boards of Aixtron (D), SmartPhotonics and PhotonDelta and Chairman of the Investment Committee of the DeepTech Fonds (founded by the Ministry of Economic Affairs and the Ministry of Finance). He is also an advisor to several listed companies in NL, D and USA in the fields of strategy, technology and supply chain.