Onno Ruhl, a Dutch national, joined the Bank in 1993. He was appointed Country Director for Nigeria in March 2008. Based in Abuja, Nigeria, in addition to leading the Bank’s dialogue on sustainable growth and development with the Nigerian Government and other stakeholders, Onno oversees operations and economic and sector work in Africa’s most populous nation. Over the last four years, the Nigerian portfolio of projects has more than doubled US$1.2 billion to about US$2.9 billion.