The firm opened a Paris office in 2005 and a Frankfurt office in 2006.
In 1991, he founded the firm's Frankfurt office.
The Frankfurt office was closed in 1901 as the city's role as a financial center temporarily waned.
The Frankfurt office was established in 2001, and the Munich office opened in 2004.
He headed the Frankfurt office before taking control of the London office, Speyer Brothers, in 1887.
Horowitz told the guard he wanted to call the Frankfurt office.
The New York office had 11 employees and the Frankfurt office 15.
Its Frankfurt office will remain open, though the staff there has been reduced.
The new Frankfurt office will deal primarily in corporate financing rather than consumer banking.
It said Mr. Barbouti closed his Frankfurt office in July.