Xander is Vice Chair of the pension fund PWRI and an overseer for several pension funds in the Netherlands. He joined the union of public service employees Abvakabo FNV in 1979 as a policy advisor. In 1990 he was elected as a member of the executive board of Abvakabo FNV. In this capacity he has done different jobs, among them; negotiator for the national contracts for employees in state and local government, chief union negotiator for the public service pension scheme and Treasurer of Abvakabo FNV. In 2001 he left the union to become a director at the government of the Province of North Holland. In 2004 he returned to the union when he was elected General Secretary of Abvakabo FNV, a position he has held till 2010. Xander was Vice President of ABP until 2013. He returned to the Board of ABP this year as a representative of the pensioners. He is a graduate in Economics.