Roel Langelaar has been appointed managing director of Ocorian (Netherlands) B.V. Based in Amsterdam, he will be responsible for client services, business development, relationship management, and risk and compliance in the Netherlands for Ocorian, the C.I.-based provider of fund administration, capital markets, corporate and fiduciary services. Langelaar was most recently managing director and jurisdictional head of corporate services at Aztec Group.