Mr. Fonteijn has been Chairman of the Commission of OPTA since September 1, 2005. Prior to this, he was a lawyer at the Rotterdam-based law firm NautaDutilh, where he was promoted to partner in 1988. Since beginning at NautaDutilh in 1980, he specialized in energy and corporate law, and held various positions. He has also worked for a number of years in the Middle East. In his final years at NautaDutilh, he directed the Energy & Utilities Group.
Mr. Fonteijn earned a master’s degree in law from Leiden University.