Rϋhl joined the Bank in 1993 as country officer for Moldova and Armenia. He has since held various positions within the World Bank in East and Central Asia as well as Africa. He was the country director for Nigeria and prior to that the country manager for the Democratic Republic of the Congo. He has also held the position of lead private and financial sector development specialist in the Africa and Europe and Central Asia regions. During that period, he provided leadership in creating and financing the African Trade Insurance Agency (ATI).
Prior to working in the Bank, Rϋhl was with the Ministry of Foreign Affairs of the Netherlands and was also the alternate director on the Board of the Multilateral Investment Guarantee Agency. He started his career teaching economics in Alkmaar, the Netherlands.