Longtime “Squawk Box” co-host Joe Kernen addressed his absence from the CNBC morning show on Wednesday, about a month after he was last seen on the air.

Kernen, who has been leading the show since 1995, took to X on Wednesday to explain after some fans grew concerned for the 69-year-old news anchor. Others said they didn’t miss him.

“Thanks for all your concern!” Kernen wrote in the post. “Had gall bladder removed last Wednesday. Going as fast as I can! Back soon.” In the replies to his initial post, Kernen said his doctor “yanked” out the tube on Monday.

“Squawk Box” co-hosts Becky Quick and Andrew Ross Sorkin have anchored the show in the interim. Other CNBC anchors and reporters have occasionally been called to fill in. “Squawk Box” airs Monday through Friday from 6 a.m. to 9 a.m. ET on CNBC.

What is CNBC’s ‘Squawk Box’?

“Squawk Box” is a CNBC morning show that first premiered in 1995. According to an online description, it is the “ultimate pre-market morning news and talk program, where the biggest names in business and politics tell their most important stories.”

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The show “Wall Street to Main Street” is anchored by Kernen, Quick and Sorkin. “It’s a ‘must see’ for everyone from the professional trader to the casual investor,” the description reads.