Société Générale has hired Josh Penner as equity derivatives sales director at its New York headquarters. Penner will head the equity derivatives sales team in the US market, reporting to Jason Hedberg, head of equity derivative flow sales. Penner replaces Joseph White, who joined Société Générale in August 2010 from derivatives consulting firm JW Advisors. Penner was most recently the head of equity index and ETF derivatives trading at UBS and before that worked at Wachovia and Citigroup, w