Ralston Roberts Named CEO at Instinet

Instinet,  the equities broker owned by Nomura Holdings, has appointed Ralston Roberts as its CEO, replacing long-time veteran Jonathan Kellner who recently left the firm to join cryptocurrency exchange Coinbase. At Goldman Sachs, Roberts was a Managing Director and Co-Head of Execution Services for EMEA. Before working at the multinational investment bank, in June 2013, he was named as the chief operating officer for real-time market data and network services at SunGard.