Naoki Matsuba, Co-Head of Nomura's Global Markets division and Chairman of Instinet Incorporated, said: "Instinet is an integral part of the strategic ambitions we have for our equities franchise, particularly given the ongoing shift of client assets into equities globally. We're very pleased to name Jonathan CEO of Instinet and leverage his leadership skills and market expertise in a global capacity."

He continued: "We'd also like to thank Kondo-san for his many contributions to Instinet over the past seven years. Under his leadership, Instinet has solidified its position as a world-class technology organization and as a result, significantly strengthened the Nomura Group's position in the equity market. Kondo-san has also been instrumental in the development and growth of the Chi-X market centers as Chairman of Chi-X Global."

Mr. Kellner commented: "Instinet has long been one of the world's preeminent providers of electronic brokerage services, and with the role we now play within the Nomura Group, our relevance to the buy side has never been greater. I'm extremely excited to be taking on this position at this point in the firm's history."

Prior to being named CEO, Mr. Kellner served as Head of Instinet's Americas businesses. He joined the Nomura Group in 2003 and moved to Instinet in 2007 following its acquisition of the company. Mr. Kellner previously held senior trading and technology positions at Charles Schwab, Investment Technology Group and Morgan Stanley.