Citigroup Inc. and Apollo Global Management Inc.’s “impossible to replicate relationship” is what brought the landmark private credit partnership to fruition, said Richard Zogheb, the bank’s global head of debt capital markets.

Citigroup and Apollo Global Management are teaming up in the fast-growing private credit market, agreeing to work together on $25 billion worth of deals over the next five years. The two Wall Street heavyweights have struck an exclusive partnership to arrange financings for corporate and private equity clients,

US lender looks to win back business from asset managers that have targeted traditional banks’ most lucrative clients