Deift is a fellow of the American Mathematical Society ( elected 2012 ) and of the U.S. National Academy of Sciences ( elected 2009 ) .
The American Mathematical Society ( elected 2012 ) is a member of the American Academy of Arts and Sciences ( elected 2003 ) .
Deift is a fellow of the American Mathematical Society ( elected 2012 ) , a member of the American Academy of Arts and Sciences ( elected 2003 ) , and of the U.S. National Academy of Sciences ( elected 2009 ) .