Nomura is making a “very significant” push to hire junior and senior dealmakers, as the Japanese lender embarks on an ambitious expansion to challenge Wall Street rivals, according to the new joint global head of its investment bank.

Jeff McDermott, who will become Nomura’s co-head of global investment banking from 1 October, will spearhead the Japanese bank’s latest efforts to break into Wall Street’s club of top dealmakers in the US — by far the world’s largest fee pool.