Paul Bertone
From Halopedia, the Halo wiki
Paul Bertone, Jr. is a senior employee at Bungie Studios and a video game designer. Born in Bellingham, Massachusetts, he served on the design team for Halo: Combat Evolved, and was promoted to design lead for Halo 2. He currently still works at Bungie, where he was the lead mission designer for Halo 3. On that project, he also scripted and designed the first mission of the game. He has not yet filled out a profile on Bungie.net.