The Cinefex website in it's latest upcoming movies update has listed former ILM Supervisor George Murphy as one of the VFX Supervisors for ESC on the upcoming Matrix sequels.
George Murphy was a long time veteran at ILM where he supervised such diverse projects as Planet of the Apes, The Impostor, Mission to Mars and Starship Troopers. He also worked on some of ILM's commercials projects. You can read more at Cinefex or at George Murphy's own website:
Thanks to vfx fan for the heads up.