Diego Parrilla has hired Belgacem Zerguine, formerly at CastleBay Capital Management, for his commodity hedge fund that will start in the fourth quarter, according to Bloomberg. The appointment of Zerguine and Daniel Pedraza as a trading analyst has boosted staff to five. Zerguine was a commodity portfolio manager at Singapore-based CastleBay and Pedraza was an aerodynamicist for two Formula 1 teams, Parrilla said.