sentences:  In 1998 Issing became a member of the Executive Board of the European Central Bank, responsible for the Directorates General Economics and Research as well as its first Chief Economist.Since June 2006 Issing has been president of the Center for Financial Studies (CFS) at the Goethe University in Frankfurt am Main and from 2007 until 2018 he was an international advisor to Goldman Sachs.In October 2008 Issing chaired a German government expert group on the new financial order that drew up proposals on how to reform international financial markets (also known as "Issing Commission").