John Dennis has been made senior metals salesperson at Calyon, the corporate and investment banking arm of the Credit Agricole Group. He will market and structure non-ferrous metals (aluminium, copper, lead, nickel, tin and zinc), along with precious metals (gold, silver, palladium and platinum).

Based in London, Dennis will report to Martin Fraenkel, global head of commodities. He joins from Investec, where he was in charge of a global base metals hedging business.