Mischief Management, LLC is a company that organizes annual fandom-based conferences, including BroadwayCon, GeekyCon, Con of Thrones, LeakyCon, and Obsessed Fest.

BroadwayCon is a fan convention for the theater community, co-created by Mischief Management and Anthony Rapp,[1] which originally took place in January in New York City.

Since 2022, as a result of the Omicron variant rising in New York around January, it has taken place during July and continued to do so for the 2023 event.

GeekyCon targets the online fandoms of Doctor Who, Supernatural, Glee, Marvel Cinematic Universe, and Disney.

[3] LeakyCon is a conference originally hosted by the Harry Potter fan site, The Leaky Cauldron.