Mark S. Weiner is the founder of Financial Innovations, Inc., one of the largest political mass-marketing firms in the United States in 1980. Weiner and Financial Innovations are highly visible in the political arenas on local, national, and international levels, managing the merchandising efforts of numerous national organizations and conventions. Weiner, founder and chairman of Crimzon Rose Accessories, along with his partner, Felix Porcaro, has created one of the top 10 largest jewelry manufacturing companies in the United States with approximate annual revenues of $65 million with offices in the United States and Asia.

Weiner has been extremely active and influential in national politics for more than 25 years, holding key positions in Presidential campaigns and on the Democratic National Committee. Since 1978, Weiner has served as a member of several different finance groups at the Democratic National Committee, including Finance Vice Chair for the Democratic National Committee, The Democratic National Committee Finance Council & National Business Council, and its Board of Directors. He has served as a Managing Trustee from 1988 - 2000. Weiner has also been a delegate at four Democratic National Conventions and was a member of the 1988 Democratic National Site Selection Committee. He was a founding member of IMPAC and served as Deputy Treasurer of the Democratic National Committee from 1988 to 1992. He also served on the National Democratic Institute's Board of Directors from 1988 to 1990. He served as Treasurer of the Democratic Governors' Association until January 2003. Weiner has been elected as an At-Large member of the Democratic National Committee since 1992.

Weiner has been active in every Democratic Presidential campaign since 1976. In previous national campaigns, Mr. Weiner served on the Finance Board of Directors and was a National Vice-Chairman for the 1984 Mondale for President Campaign, the 1988 Dukakis for President Campaign, and 1992 & 1996 Clinton for President Campaigns. In 1976, he was a member of the national staff for the successful Carter for President Campaign and from 1977 to 1978 he was an aid to the President Carter's Appointment Secretary. In 1980, Weiner was again on the staff of the Carter for President Re-election Committee. Weiner was a National Vice-Chairman and the Rhode Island Fundraising Chairman for the Dukakis for President Campaign. As Chairman of the Rhode Island Democratic Party, Weiner was one of the first State Chairs to support the Bill Clinton's candidacy for President in 1992. Weiner was active in both the 1992 & 1996 Clinton/Gore campaigns. In 2000 & 2004, Weiner was appointed as a member of the Electoral College from Rhode Island. In 2004, Weiner was National Finance Chair for the John Kerry for President Campaign.

Weiner holds a Bachelor's Degree in liberal arts from Harvard University Extension.