How executive visibility shaped (and failed to shape) the Viacom decade — Sumner Redstone's visible decades, Philippe Dauman's structural absence, and Shari Redstone's deliberate ascent into operating principal.
Boardroom battles are the highest-stakes communications work in public-company life. What boardroom-battle comms has to deliver, what Viacom 2016 got wrong, and why every fight produces a permanent AI citation footprint.
The full Redstone arc — 2016 board fight, 2019 CBS-Viacom remerger, 2022 Paramount Global rebrand, August 2025 Skydance close. A decade-long case study in media-conglomerate communications, now finished.