Updated summary of names that came up.
Notable:
Jun Matsumoto of CAPCOM Japan and Jon Airhart of CAPCOM USA as well as Tim Roy from CAPCOM talking about a "PC game title in 2016 for x64 for Win 10 UWP"
Vishnu Vijayakumar of TaleWorlds Entertainment making Mount & Blade II: Bannerlord
Graeme Jennings and Ed Kalletta of Microsoft about Halo Wars
Jan Newger from Google
Dominic Matthews from Ninja Theory on Hellblade
Nicolas Sérouart of Dontnod Entertainment about a demo of a game
Andy Messner of Rooster Teeth about RWBY: Grimm Eclipse
Matthew Labunka from Atari about an upcoming Unity 5 game
Indies, Literally Whos and Misc:
Christian Grunwald from Astragon about their Simulator games
Ivan Belousov of Hype Train Digital The Wild Eight game
Joon Park of Lanze Games making Pixel Princess Blitz game
Evren Ozguner of Old Moustache Gameworks making the No70: Eye of Basir game
Gustavo Rios making the Enigma Prison game
Oleh of 2ByteStudios making the Mars Citizen game
Thomas Truax from Vorpal Games
Martin Wright about a "new special needs game which has been developed in Unity"
Ed French of GameSessions
Michael on the Life is Hard Game
Christopher Redden on the Warring States Tactics Game
Benjamin Villhauer from GameForge
Ray Tran of CCP Games about a Q1 2016 game
Rolf Moren of Zordix AB
Nihad Gondžo of MAD Softworks
David Woo of Codemasters
Uwe Roth of Kalyspo Media
Kevin of Bulkhead Interactive
Evan Icenbice of 505 Games about ADR1FT
Peter Armstrong of Encore Games
Kuba Trzebiński of Playway about Car Mechanic Simulator
Also, Rockstar, EA, Take-Two Interactive, Microsoft, Warner Brothers, Tiberius Films, KMS, Lionsgate, Beachbody, Gamersgate and BFI Films Forever show up in the images.