Simon Costley

Simon Costley is a seasoned finance professional currently serving as a Senior Sales Relationship Manager at MarketAxess since September 2025. Prior experience includes a lengthy tenure at Citigroup, where Simon held various leadership roles including Vice President and Director of Global Depositary Note (GDN) Intermediary & Investor Distribution, where responsibilities encompassed relationship management, revenue generation, and product education. Additional roles in the finance sector include FX & Local Market Sovereign trader at Citigroup, equity sales and trading support at Morgan Stanley and Deutsche Bank, as well as client servicing and settlements at Schroder Salomon Smith Barney and Salomon Brothers. Simon's expertise spans broker-dealer relationships, trading in multiple markets, and sales assistance in equity and foreign exchange products.