Bell was appointed to the Fiscal Policy Panel States of Jersey from 2007–14 and the International Advisory Council of Zurich Financial Services from 2007. She was on the Fiscal Policy Panel States of Jersey, Channel Islands providing independent advice on fiscal policy from 2010–11, and Governor of the National Institute of Economic and Social Research from 2014.
Bell's career involved serving on various advisory panels and councils, including the Fiscal Policy Panel States of Jersey, Channel Islands, and the International Advisory Council of Zurich Financial Services. She provided independent fiscal policy advice for the States of Jersey from 2010 to 2011 before becoming Governor of the National Institute of Economic and Social Research in 2014.