Josh Witz, Societe Generale SA’s co-head of debt capital markets for the Americas, left the firm, according to two people with knowledge of the matter.

Michael Shapiro, who has helped manage the French bank’s U.S. bond syndicate operation in New York since 2012, will shift roles, assuming Witz’s client responsibilities, said one of the people, who asked not to be identified without authorization to speak publicly. Witz, who left the firm last week, declined to comment.

Shapiro will report to Andrew Menzies, who will now become the sole head of the company’s debt capital markets operation in the Americas, one of the people said. Menzies previously ran the bank’s debt capital markets group for the U.K. and Northern Europe. He became co-head of the Americas debt capital markets group last summer.

Societe Generale has increased the share of bond deals it has helped underwrite in the U.S. investment-grade bond market, moving to 18th during the first eight months of 2015, from 21st during the same period last year, according to data compiled by Bloomberg. The bank’s deals have included Philip Morris International Inc.’s $1.25 billion bond sale in August.

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