Arjan joined ENTSOG in September 2017 as an Adviser, working in the Market Area. Arjan is seconded from GTS BV, the Netherlands, which he joined in 2013. Arjan worked there first as a controller for the Business Development department and thereafter he worked as a controller for the Commercial & Regulation department. For both departments he was responsible for the report to the management of financial statements and business controlling. He participated in different projects due to information requests of the Autority of Consumer & Market, the Dutch national regulator in context of benchmarketing, cost-allocation and the accountability of revenues. Arjan graduated at the University of Groningen, the Netherlands, where he got his Bachelor-degree in Accounting and Controlling. He also took a number of courses on Controlling and International Gas Studies at Neyenrode Business University in Breukelen, the Netherlands.