In college, Weaver helped redesign the campus radio and television studios, and modified Link Trainers to better simulate situational spatial awareness. This experience resulted in his creating AeroTechnology Enterprises specializing in analog training simulators for aviation. Weaver moved to New York for post-graduate work at Columbia University and got a night job as an Assistant Director of News at NBC. He was then hired by the American Broadcasting Company, where he established the first office of Technology Forecasting for the network. He then became the Vice-President for Science and Technology at the National Cable Television Association, followed by an appointment as Chief Engineer to the CongressionalSubcommittee on Communications and Technology. Weaver later started Videomagic Laboratories, a company working in vehicular simulators for military and entertainment purposes. He temporarily moved to Los Angeles to work on the Universal Studios lot in Burbank, working on new camera technology with Panavision for interactive media. During this time, Weaver contributed to early work in graphical interfaces, optical storage, and computer-assisted editing, including encoding spatial information for tracking camera shots. In the 1980s, Weaver was introduced to video games when he was asked by one of his engineers to look at a football game idea he was developing – Weaver felt it "was boring". His fix was a physics engine, bounded by football rules. They decided to produce the game, resulting in the formation of Bethesda Softworks. The game was released as Gridiron! for the Atari ST and Commodore 64/128, in 1986. Bethesda later found widespread success as a game developer with its Elder Scrolls series of games. In 1999, Weaver cofounded ZeniMax Media with Robert A. Altman, as a new parent company for Bethesda. Weaver contributing his stake in Bethesda to ZeniMax, and served as CTO until 2002, then was pushed out. He filed a lawsuit against ZeniMax, claiming he was ousted by his new business partners and was owed severance when ZeniMax didn't renew his employment contract. They filed counterclaims saying he had gone through emails of other employees to make his case. In the end, the case was resolved out of court. Although still the largest shareholder as of 2007, Weaver no longer had any day-to-day responsibilities with ZeniMax.
Weaver has been published in a number of science and technology journals and periodicals, including: the MIT Microphotonics Center, IEEE Spectrum, Techline, Edge Magazine, SCTE Journal, NCTA Bulletin, ITU Standards, Video Magazine, and Next Generation Magazine on subjects ranging from microprocessors to copyright law. He is also a co-writer/creator of the multi-volume science-fiction series The Tenth Planet published by Ballantine Books and was the technical editor and contributor for Fundamentals of Game Design.
Personal life
Weaver is a volunteer air ambulance pilot for AngelFlight and holds numerous FAA licenses and type certificates. He is married to Nanci Weaver.