Cravath in July elected Faiza Saeed as the firm’s new presiding partner. Saeed, a mergers and acquisitions partner, is the first woman to lead Cravath.

“Over the last 25 years, Allen has been one of the most respected banking lawyers in the United States, a highly valued and admired partner in our firm, and a mentor to countless young people,” Saeed said in a statement. “We are so pleased that Allen will now be joining our client of many years, Wells Fargo, and we look forward to continuing our relationship with him in this new capacity.”