Traders Magazine Liquidnet appointed John Emmert as Head of Trading Desk for the Americas. The agency-only Trading Desk operates within Liquidnet’s Execution and Quantitative Services group. In his new role, Emmert will focus on developing a new trading experience that brings together specialized institutional expertise and insight, unique liquidity search tools, and real-time analytics across the desk’s algorithmic program and single-stock trading capabilities. Based in New York, he reports directly to Liquidnet’s Head of Execution and Quantitative Services, Americas, Mike Capelli....