Before becoming president in September 2007, Evans served as director of research and senior vice president, supervising the Bank's research on monetary policy, banking, financial markets and regional economic conditions. Prior to that, Evans was a vice president and senior economist with responsibility for the macroeconomics research group.
His personal research has focused on measuring the effects of monetary policy on U.S. economic activity, inflation and financial market prices. It has been published in the Journal of Political Economy,American Economic Review,Journal of Monetary Economics,Quarterly Journal of Economics, and the Handbook of Macroeconomics.
In the December of 2012, the Federal Open Market Committee decided to change its broad forward guidance to a more explicit rule. The Evans Rule, a version which had been advocated by Charles Evans for many months, stated that the Committee will hold rates near zero at least until unemployment falls below 6.5% or inflation rises above 2.5%.  The Committee in March 2014 decided to remove the mention of the explicit thresholds in its guidance, but emphasized that there has been no change in the stance of monetary policy.