Complex sentence: Sirleaf initially moved to Washington, D.C., to work for the World Bank before moving to Nairobi in 1981 to serve as Vice President of the African Regional Office of Citibank.
Split into simpler sentences: Sirleaf initially moved to Washington, D.C., and worked for the World Bank. In 1981 she moved to Nairobi, Kenya to serve as Vice President of the African Regional Office of Citibank.