Emmanuel Ngok is a Statistician in the Economic, Infrastructure & Agriculture Statistics Section at the African Centre for Statistics. His areas of expertise include economics and policy analysis, but more in national accounts. Prior to joining ECA, he worked as the Head of Division of National accounts for the National Statistical Office in Cameroon, but also as expert in national accounts for 10 years in AFRISTAT (International organization). Mr. Ngok holds a M.A. in policy and economic analysis from the University of Yaound?, Cameroon.