He was 84 years old.
His death was announced by a Sony Pictures rep. See some reactions from clients and friends below.
One of Gablers first assignments in the Variety Show department was coveringThe Ed Sullivan Show.
Lee Gabler in 2006Getty Images
In 1996 he was appointed co-chairman and managing partner of CAA.
The move changed the late-night landscape forever and kickstarted late-night programming at CBS.
A true gentleman in a world marked by shortage of same, Letterman said in a statement Thursday.
Read remembrances by some others Hollywood heavyweights below.
Under Gablers leadership, CAA reached a record number of 52 television shows on air in one year.
He was preceded in death by daughter Melissa Robin Roemer.
Funeral services will be private followed by a Celebration of Life later this summer.
In lieu of flowers, the family suggests supporting UCLA Neurosugery.
Here are some tributes for Gabler:
Billy CrystalI am beyond sad that my cousin Lee has passed away.
I will miss him terribly.
But more than that, he was a mensch.
His word was his bond and his integrity unquestioned.
We shant see his like again soon.
Peter Rice, former Disney and Fox executiveLee Gabler was a deeply loyal friend and an exceptional talent agent.
Rest in peace, Lee, and may your legacy continue to inspire us all.
He will be missed by all that he touched.
David Geffen, producer and executiveIn Lee we had a brilliant mind, an innovator and a fierce advocate.
He changed the landscape of television.
We have lost a titan and a dear friend.
Eric Roth, Oscar-winning producerHe was a most elegant man.
He made you feel you were the most important person in his realm.
Of course his most important people were his beloved Elizabeth and their wonder child Annalise.
I am sure, they will meet again.
Thats all any of us can ask for.
