Former Speaker Newt Gingrich (R-Ga.) on Sunday said he'd be open to serving in presumptive GOP presidential nominee Donald TrumpDonald John TrumpSenate gears up for battle over witnesses in impeachment trial Vulnerable Democrats tout legislative wins, not impeachment Trump appears to set personal record for tweets in a day MORE's administration.

"I would certainly serve with the president, preferably in a position that he and I would work out," Gingrich said on CBS's "Face the Nation" when asked if he'd be interested in serving in Trump's Cabinet.

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Gingrich, who was a top contender to serve as Trump's running mate, said he wasn't disappointed that the presumptive GOP nominee chose Indiana Gov. Mike PenceMichael (Mike) Richard PenceMark Levin calls Trump 'first Jewish president' Pence: It's not a 'foregone conclusion' that lawmakers impeach Trump Pence's office questions Schiff's request to declassify more material from official's testimony: report MORE.

Trump announced on Friday that Pence would join his ticket.

"I think Pence is a great choice. I feel very close to Donald and his family," Gingrich said on Sunday.

"I'm confident that I'll have plenty of opportunities to try to help plan things and try to help move things forward."

Trump said previously during a rally that Gingrich would be "involved with our government" in some way.