The elevation comes three months before the launch of FXX.
Berson had been serving as exec veep of CBS Sports and prexy of CBS Sports Network since 2011.
Newhart will be honored at the June 10 kudofest.
Fox was the only English-language broadcaster to break a 1.0 rating Sunday in the 18-49 demo.
The actress has done Emmy-worthy work, but will voters notice?
Greer will be the female lead opposite Nat Faxon in the untitled FX comedy pilot from Andrew Gurland.
As had been speculated, Neil Patrick Harris will host CBS' broadcast of the Emmys on Sept. 22.
Though "The Voice" hit a season low for a Monday, NBC easily won the primetime ratings race on Memorial Day.
The Tonys will remain with the network that has broadcast them for the past 35 years.
Overall, HBO led the CCTAs with 21 nominations, followed by FX with 19
Domestic Film DAILY
2Daily: $3.4M Cumulative: $36.4M Sony / Columbia -44.83%close
This Is The End
Seth Rogen and Jonah Hill star in this apocalypse themed comedy.