Coliseum is a globally recognized brand that was founded in 2010 by Michael Rennschmied. Initially starting as a quarterly publication, Coliseum quickly evolved into a conference format and expanded its reach worldwide. It is now a membership-based organization called Coliseum - Global Sports Venue Alliance, offering a 24/7-365 community for sports and entertainment venue executives and professionals.

While Coliseum primarily focuses on stadiums and arenas, it brings together international experts from various fields within the alliance. The brand facilitates a dialogue between stadiums, arenas, clubs, leagues, and industry professionals, fostering learning, relationship-building, and the creation of better venues. Coliseum's digital 365Coliseum Business Center serves as an extensive resource pool for the stadium and arena industry worldwide.

One of its standout features is the 'Get in touch' service, connecting members with stadiums and arenas worldwide. With over 200 members and access to 61,000 industry contacts, in-house editorials, videos, and a construction database, Coliseum offers unrivaled support and insights for the sports and entertainment venue sector