From NS community wiki

Core Contributors

• Charlie "Flayra" Cleveland - Game Director
• Jon "Merkaba" Chapman - Level Designer (ns_hera, ns_machina), Level Tech R&D, 2D Art
• Max McGuire - Programmer
• Joel "grepdashv" Rubicam - QA Lead
• David "MaDMaXX" Monks - Sound Effects
• Harry "Puzl" Walsh - Programmer
• Jim "JazzX" Olson - QA Lead, 2D Art
• Jason "J!" Lange - 2D/3D Artist
• Felipe "Zoc" G. Silveira - Web/Database Programmer

Retired Core Contributors

• Cory "Squeal_Like_A_Pig" Strader - Lead Artist: Level Textures, Alien Concepts, Alien Skins, Marine Skins
• Josh "Beaner" McHugh - Artist: Shotgun, Turrets (concept + models), Alien Models
• Mike "BathroomMonkey" Wislocki - Artist: LMG, HMG, Pistol, GL, Knife, old flash website
• Jeff "jparis" Paris - Writer, World-Builder
• Alex "Mojo" Boylan - Animator: Building Animations, Alien Animations
• Phil "Def_One" Mayfield - Animator - Marine and Alien View Models
• Joe "joev" Vaughan - Development Manager, Code Monkey, Server Monkey
• Florian "NemesisZero" Schwarzer - Project Manager
• Karl "Cagey" Patrick - Programmer
• Kevin "Relic25" Roberts - Level Designer (ns_bast), 2D Art
• Ned "MonsieurEvil" Pyle - Public Relations, Network Engineer
• Guy "smedic" Rabiller - Player Animations
• Spencer "Voogru" MacDonald - Programmer
• Tom "ElvenThief" Grim - Programmer
• Petter "tankefugl" Rønningen - Programmer
• Ozgur "gazOzz" Yigit - 2D Art

Periodic Contributors

• Jeremy Soule - Orchestral Music
• Hugo "DrHugo" Silverio - Player Animations
• Max Mcgill - Voice Acting: Marine and Commander (all male voices)
• Lani Minella - Voice Acting: Alien, Hive and Command Console
• Oliver "Hypergrip" Richter - Ambient Music, Level Designer (co_daimos)
• Mark "Zunni" Windle - Public Relations Manager
• Emmanuel "BrigadierWolf" F. Korahais - 2D/3D Art
• Matt "Cloud_King" Vasquez - Gorge Bilebomb Model
• Joseph "Alpha|UK" Stone - 3D Art
• Christian "CoolCookieCooks" Cook - Model and Sprite Contributions