From 2010 to 2014, Mr. Tierney served as Chief Executive Officer and President of Bloomberg Tradebook LLC. The agency broker partners with institutional traders, broker-dealers, hedge fund managers, plan sponsors, market makers and portfolio managers to provide high-quality liquidity, market insight, and customized solutions based on innovative technologies. Over much of that time, he grew revenues, market share, and clients across asset classes. In January of 2015, he assumed the role and responsibility as Global Head of the TRADING SOLUTIONS business of Bloomberg, which serves both the buyside and sellside OMS needs across Fixed Income and Equities, growing the business by 8% annually thru the end of 2016.

Prior to joining Bloomberg, Mr. Tierney was at Morgan Stanley for 17 years, starting in 1994 as an Executive Director and Senior Sales Trader in NA. He was elected a Managing Director in 1998 and named Head of North America Cash Sales Trading in 2004. In 2006, Mr. Tierney was named Global Head of Equity Trading for Morgan Stanley Investment Management, responsible for leading MSIM’s worldwide trading efforts. He started his Wall Street career as an Equity Trader at Paine Webber (1981–1986), served as a Vice President at First Boston (1986–1991), and was a Vice President and Sales Trader at UBS Warburg (1991–1994).

Mr. Tierney received a Bachelor of Arts degree from Villanova University. He currently serves on the boards of Ronald McDonald House, Villanova University’s President’s Leadership Council and is chair of the National Organization of Investment Professionals (NOIP), which is a non-profit association of investment professionals, who have a common objective of fostering a favourable regulatory environment for institutional participation in the securities market with fair and open markets for all participants.