National Committee for an Effective Congress

Directions Website

National Committee for an Effective Congress Fighting for progressive values since 1948. DONATE NOW
https://secure.actblue.com/contribute/page/ncec NCEC is the original progressive shop.

What We Do

The NCEC has been a stalwart supporter of progressive candidates since our founding. In the beginning, we supported candidates in a more traditional capacity—with financial help. But now, the committee has evolved to support candidates and campaigns with data and analysis to plan campaign strategies. Our Data has been widely used in progressive campaigns for decades as a trustworthy measure of candidate support, persuadable voters, and demographic character for every district in America. The NCEC's Democratic Performance Index (DPI) is an accurate cornerstone on which campaigns build their vote goals and paths to victory. DPI is backed with the NCEC's extensive repository of actual candidate performance—the most comprehensive archive of its kind spanning back to the early 1980s. Where Does Your Donation Go? With the help of small dollar donors, the NCEC provides its data and analysis to progressive candidates at no cost to them. We spend a great deal of effort selecting, integrating, formatting, and auditing election results as well as demographic data for almost every precinct in the country. We also match new results to the precinct lines of previous elections, which are always changing. Although it seems like a wild statistic, almost 50 – 80 percent of data analysis work is spent preparing and cleaning data. The NCEC does much of this work so that others don't have to.

10/10/2026
On the Passing of Mark Gersh, Washington DirectorMark Gersh, long-time director at the National Committee for an Effecti...
10/09/2026

On the Passing of Mark Gersh, Washington Director

Mark Gersh, long-time director at the National Committee for an Effective Congress, died on October 8, 2026, at the age of 79. Through meticulous data analysis, he transformed political targeting and became one of the Democratic Party’s most trusted behind-the-scenes strategists.

Born in Brooklyn, Mark grew up in West Orange NJ and despite having lived in Virginia for decades, always considered himself a New Jerseyan. A fan of New York sports teams, he followed sports as much as politics. He had a lifelong love of tennis and continued to play into his early 70s.

While serving as Washington Director for the NCEC, Mark shied away from high profile punditry and public commentary preferring more private consultation with Democratic leadership. He helped establish a forecasting tradition grounded in data and metrics, cutting through emotionally driven narratives with clear-headed analysis.

Mark began his career interning for Bobby Kennedy, and in addition to his tenure with the NCEC, also worked for the Democratic Study Group, Phil Burton, Dick Gephardt, the FEC, and as a consultant to CBS News. He was a close advisor to Members of Congress and mentor to political professionals.

We at the NCEC remember him at the office every day chatting about Lon Chaney Jr. movies, University of Alabama football, and of course his latest predictions on the upcoming election.

Note: Mark’s birth year is 1947. His page incorrectly lists it as 1948.

Address

330 Pennsylvania Avenue SE
Washington D.C., DC
20003

Website

Alerts

Be the first to know and let us send you an email when National Committee for an Effective Congress posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Shortcuts

Share

Category