Julien covers financial institutions across Europe, with a particular focus on the United Kingdom, France and Belgium. He joined Goldman Sachs in 1999 as an analyst in the Financial Institutions Group within the Investment Banking Division in London. Since 1999, Julien has worked on a number of landmark transactions for European financial institutions, including large mergers and acquisitions transactions and equity financings. Julien was also business unit manager from 2003 to 2004. He was named managing director in 2009.

Julien earned an MSc from Ecole Polytechnique, France, in 1999.