DOE: Moniz taps Union of Concerned Scientists' leader for chief of staff Emily Yehle, E&E reporter Published: Wednesday, June 19, 2013 Energy Secretary Ernest Moniz has recruited the president of the Union of Concerned Scientists to be his chief of staff. Please subscribe to E&ENews PM to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.