Alexander holds a MSc degree in Petroleum Engineering from Delft University and a MBA degree from the Rotterdam School of Management. After graduating he worked for Shell International in various technical and commercial roles. In 2000 Alexander joined SHV Holdings, as the Commercial Manager of its E&P subsidiary Dyas and in 2007 was appointed Managing Director of Dyas, holding several non-executive directorships on behalf of the company - Capricorn Energy, Delta Hydrocarbons and Ithaca Energy. While working for Dyas, Alexander was instrumental in doubling the oil and gas portfolio through numerous successful acquisitions. After leading a consortium composed of Dyas, ONH and Sumitomo, which successfully acquired the energy interests of the Wendel owned Oranje-Nassau Groep, Alexander left Dyas in June 2009 to become the new CEO of Oranje-Nassau Energie. In 2010 he joined the Cairn Board as a non-executive Director, since 2012, he is also a non-executive Director of Discover Exploration.