Michael "Talien" Tresca is a game designer, author, communicator, and artist. He is currently managing editor of EN World's Columnist program. Prior to that role, he was the National RPG and Sci-Fi Movie Examiner for six years.

Michael has authored numerous supplements and adventures for publishers of Open Game License and D20-compatible games, including AEG, MonkeyGod Enterprises, Goodman Games, Otherworld Creations, Privateer Press, RPGObjects and Ronin Arts. His articles and reviews have appeared in Allgame.com, D20 Filtered, Dragon Magazine, Gamers.com, Pyramid, and RPG.net. He has participated in panels about electronic and tabletop role-playing games at Bakuretsucon, Dragon*Con, and I-Con.

When he's not writing, Michael can be found as his alter ego, Talien, on RetroMUD as an administrator. He lives in Connecticut with his wife and two children.