She had served as Political Editor, CBS News, since 1985.
Prior to that, Lynch was President of Lynch Research, Inc., a political polling firm (1983-85). She served as Director of Survey Research for the Democratic National Committee (1981-83), where she organized the first joint polling project in the Democratic party, analyzed the political attitudes of women voters and developed the concept of the "gender gap." Lynch was Vice President of Cambridge Survey Research (1972-80), where she worked on polling for the Presidential campaigns of George McGovern and Jimmy Carter, as well as those of many major Congressional and gubernatorial candidates. Prior to that, she was a researcher for NBC News' election unit (1968-72).
Lynch was a member of the Task Force on Presidential Debates (1995-96). She served as an adjunct professor at the Cornell University School of Business and Public Administration (1979) and was a researcher for "The Ethnic Factor: How America's Minorities Determine Elections" by Mark Levy and Michael Kramer (1971).
Lynch was born in Brooklyn, N.Y. She was graduated from Marymount Manhattan College with a degree in sociology and from Fordham University with a master's degree in the same subject. She lives in Annapolis, Md., and Washington, D.C.