Story highlights Ken Langone, the billionaire backer of Chris Christie's presidential campaign, will now back John Kasich

Langone is the co-founder of The Home Depot and a long-time Republican donor

(CNN) Ken Langone, the billionaire backer of New Jersey Gov. Chris Christie's presidential campaign, has decided to support John Kasich, according to top Kasich adviser John Weaver.

Langone, the co-founder of The Home Depot, was one of the leading -- and most vocal -- voices pushing Christie to run for president in 2012 and continued to support him in his 2016 run, which ended Wednesday.

Weaver said Langone reached out to Kasich's campaign and offered to help on both the finance side and on making connections to the business community.

"You can use any advantage you can get in the both the business and finance world so we're really happy to have him," Weaver said on a conference call with reporters.

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