Gary Marx is an American political strategist and conservative activist. He founded Madison Strategies LLC in 2013 and serves as its president, as well as president of the Concord Fund. He is a senior advisor to the Judicial Crisis Network, with which he has a professional partnership including Leonard Leo. His career includes high-level roles such as executive director of the Faith & Freedom Coalition (approximately 2010-2013), senior advisor to Scott Walker for President and Marco Rubio for President campaigns, and Conservative Coalitions Director at Bush-Cheney 2004 national headquarters, where he led outreach to social conservatives and people of faith. Marx is a media veteran with appearances on CNN, CBN, C-SPAN, Fox News, and others, and has spoken at events for the Federalist Society, International Republican Institute, Leadership Institute, Hanns Seidel Foundation, AIPAC, and Council for National Policy. Marx is actively engaged in international advocacy, particularly in Ukraine, as president of Defenders of Faith and Religious Freedom in Ukraine, promoting religious liberty and democratic values amid conflict. He hosts the Peace & Power Ukraine podcast and self-identifies as a 'Jesus-follower' on social media.