Michael Seifert (programmer)

Michael Seifert (born February 1969 in Copenhagen) is a Danish computer programmer, inventor, businessman, and entrepreneur in the IT industry. He is co-developer of DikuMUD, a popular multiplayer text-based role-playing game codebase, and former chief executive officer of Sitecore, a global customer experience management software company, which he co-founded in Copenhagen, Denmark in 2001. In 2013 Seifert won Denmark's annual IT Prize (IT-Prisen) for lifetime achievement in the field of information technology.

PublicSq. (Public Square) is an American online marketplace which bills itself as "anti-woke" and supportive of the anti-abortion movement and conservatism. It was founded by Michael Seifert and is headquartered in West Palm Beach, Florida. As of July 2023, the platform hosts over 55,000 small businesses.