In 1983 he founded Lerner Research (a 3D simulation development company)^{[citation needed]} which was responsible for Chuck Yeager's Advanced Flight Trainer, Deep Space, Ultima Underworld, F-22 Interceptor, and also created the first 3D system licensed by Electronic Arts.^{[citation needed]}

He later^[when?] co-founded Blue Sky Productions (later Looking Glass Studios), filling the roles of Chairman of the Board, Chief Operating Officer, and VP Product Development. During this time, he led the development of more 3D simulation and entertainment software, such as Flight Unlimited, System Shock, Links Pro, John Madden Football '93, and Ultima Underworld II: Labyrinth of Worlds.

In 1997, he co-founded Multitude, an Internet gaming multiplayer startup that created FireTeam, the first real-time internet team game with full voice conferencing.^[1][2][3] The full voice functionality was spun off into a standalone product called FireTalk.

Ned later^[when?] went on to work at Venture FireFighters, and Electronic Arts (as Chief Technology Officer).

Ned previously^[when?] worked for Sony Computer Entertainment America, Director of Tools & Technology. In this role he was involved^[vague] in the development of games for the PlayStation 3, PlayStation 4, and PlayStation Portable.