Margaret Williams
From FranaWiki
Margaret A. Williams was Hillary Rodham Clinton's chief of staff. She is notable for accepting the campaign contribution of California businessman Johnny Chung in 1996. Chung gave Williams a $50,000 check while visited the White House. Chung later came under an FBI investigation of Democratic National Committee fundraising.
References
Stephen Labaton, "Aide to First Lady was Given Check at White House," New York Times, March 6, 1997.