Goldman Sachs has no immediate plans to replace Simon Dingemans, one of the most respected and prolific mergers and acquisitions bankers in Europe, who is moving to pharmaceuticals giant GlaxoSmithKline.

Dingemans, head of European M&A and a 15-year Goldman Sachs veteran and is one of the best known M&A bankers in London. He will leave the investment bank to become chief financial officer at GlaxoSmithKline in January, according to a statement.