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Mark Riddle is a Democratic political strategist who serves as the executive director of the left-of-center Future Majority advocacy group and was previously president of the liberal activist incubator New Leaders Council.
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Mark Sherman is a computer programmer and analyst. He is the Executive Director of the Progressive Technology Project.
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Mark A. Stevens is a billionaire venture capitalist and left-of-center philanthropist based in Menlo Park, California. Stevens currently works as managing partner at S-Cubed Capital, a venture capital firm he founded with his personal fortune that invests in startups. Prior to founding S-Cubed Capital, Stevens worked as a partner at
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Mark Suzman is the CEO of the left-of-center Bill and Melinda Gates Foundation. Prior to becoming CEO of the Foundation in February 2020, Suzman worked at the Foundation for thirteen years in a number of positions, including chief strategy officer. Before joining the Foundation, Suzman worked for the
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Mark T. Gallogly is a Democratic donor who served on President Barack Obama’s Economic Recovery Advisory Board. 1
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Mark Tercek is an environmentalist activist who worked as president and CEO of The Nature Conservancy from 2008 until 2019.
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Mark Wiesner is a professor of civil and environmental engineering at Duke University.
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Mark Zuckerberg is the founder, chairman, and chief executive officer of Facebook. Zuckerberg founded the company while at Harvard with classmates Andrew McCullum, Dustin Moskovitz, Chris Hughes, and Eduardo Saverin. He and his wife, Priscilla Chan, are also active left-of-center advocacy philanthropists; in 2015, the couple founded the philanthropic limited liability
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Markos Moulitsas is a left-of-center activist who founded the progressive-activist blogging platform Daily Kos, the annual conference for left of center bloggers Netroots Nation, and was a cofounder and former board member of Vox Media. Through his platform of the Daily Kos, Moulitsas has raised large amounts
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Marni Soupcoff is the Chairwoman of R Street Institute and a columnist at the National Post.
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Martin Feldstein is a Republican consultant, economist, and president emeritus of the National Bureau of Economic Research. Feldstein is the former chairman of the Council of Economic Advisers and chief economic adviser to President Ronald Reagan.
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Martin Kaplan is a director of the Climate Leadership Council.
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Martin Messner is a health and physical education teacher from New York state and the former secretary-treasurer of the New York State United Teachers (NYSUT) labor union. He resigned after being elected to a second term amidst controversy stemming from working full-time as a teacher and as secretary-treasurer. Critics
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Martin “Marty” J. Walsh is a labor union official and Democratic politician notable for serving as mayor of Boston, Massachusetts, and as the U.S. Secretary of Labor under President Joe Biden. The Biden White House indicated that he would be leaving his position in February 2023 amid several other
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Marvin Bing is an artist and activist. He is the national director of art at Amnesty International USA. He is also the co-founder of Justice League NYC, a project of the center-left Gathering for Justice. Bing is the founder and head of the gaming social impact firm
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Marvin Revelle Randolph is a left-wing political consultant and activist who runs ONYX Communications, a boutique political consultancy specializing in phone and digital advocacy. 1 In addition to his numerous affiliations with left-wing
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Mary Beth Gallagher is the Director of Engagement for investment advisory group Domini Impact Investments. 1 She was previously the executive director of environmental, social, and corporate
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Mary Bottari is a Wisconsin Democratic operative and left-progressive activist currently serving as chief of staff to Madison Mayor Satya Rhodes-Conway (D). Prior to joining Rhodes-Conway’s office, Bottari worked for the Center for Media and Democracy, a left-wing media outlet and advocacy group.
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Mary Cathryn Ricker is a labor union activist and education official serving as Education Commissioner of Minnesota in the administration of Gov. Tim Walz (D). Before her appointment as Education Commissioner, she was an executive vice president of the American Federation of Teachers labor union.
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Mary J. Armstrong is a former teachers union official who led the St. Louis, Missouri-based Local 420 of the American Federation of Teachers until 2017. She sat as a vice president of the national union until leaving office in 2018-2019.
