Olson, 62, previously worked as a partner at Ernst & Young LLP, as a Minnesota bank president and as a congressional aide, before joining the Fed board in 2001, to serve a term ending in 2010.
Olson served 20 years
( z1 serve :ARG0 ( z2 person :name ( z3 name :op "Olson" ) ) :duration ( z4 temporal-quantity :quant 20 :unit ( z5 year ) ) )