Recognized for his extensive expertise in e-business Arie has joined Swets from a career lasting over 20 years at Elsevier where he held a range of senior management positions. As CEO of Elsevier's Science & Technology Division, Arie was responsible for ScienceDirect and for the development and launch of Scopus. Arie Jongejan has been the chairman of Swets Information Services since March 2005.