The son of comedian Freddy Roman worked on the upcoming CBS sitcom "Friend Me," as well as "Yes, Dear," "My Name Is Earl," "Raising Hope," "Dear John," "Baby Talk" and "Coach."
"We are stunned and devastated to hear the news ... of Alan's passing," CBS said in a statement issued to EW.com.
"We have lost a longtime colleague, a valued friend and truly one of the most well-liked individuals in our midst. We will remember a gifted and successful comedy writer-producer who shared generously of his time beyond his show duties to help the network and studio in a variety of ways; a kind and gentle man; and a warm and witty conversationalist who could always be seen chatting up many on our lot ranging from assistants to senior executives.
"Everyone at CBS truly loved Alan and he will be deeply missed. Our hearts grieve for his wife Vicki, daughter Molly, sister Judi, mother Ethel and his father, comedian Freddie Roman, and all of Alan's family and friends."
Writer-producer Steve Levitan said: "I'm so sad to hear about the passing of Alan Kirschenbaum. He was hilarious, a joy to be around and the definitive mensch. I will miss him."
Actor-producer Michael Chiklis said on Twitter: "Deeply saddened by the loss of my dear friend Alan Kirschenbaum. He was someone I truly thought the world of. Sad day."