Quotient names Bertolotti, Yost to senior posts

Andre Bertolotti was named CIO and director of investment strategies and research at quantitative equity manager Quotient Investors, and William Yost was named director of portfolio management and trading, said Julia Peter-Kerr, director of client service and sales. Messrs. Bertolotti and Yost came from Diam USA, where Mr. Bertolotti was director of investment strategy and research and Mr. Yost was director of portfolio management and trading. At Diam, Masami Sunahara, senior vice president, and Takashi Saito, portfolio manager, will assume the duties of Messrs. Bertolotti and Yost, said Kenji Shimoyama, executive vice president.