• “Price Dynamics and Liquidity of Exchange Traded Funds,” with Aleksander Sobczyk, 2016. Journal of Investment Management, forthcoming.
• “Click or call? Auction versus Search in the Over-the- Counter Market,” with Terrence Hendershott, Journal of Finance, 2015, 70 (1), 419-445.
• “Portfolio Construction and Tail Risk,” with Christopher Downing, Ajit Singh, and Alexander Ulitsky, 2015. Journal of Portfolio Management, 42(1): 85-102.
• “Equity ETFs vs. Index Futures: A Comparison for the Fully-Funded Investor.” with Ursula Marchioni, Wei Li and Daphne Du, 2014. Journal of Index Investing 5(2), 66-75.

At Haas since 2016

2016 – present, Lecturer, Haas School of Business

2013 – present, BlackRock Inc. Managing Director, Global Head of iShares Research

2009 – 2013, BlackRock Inc., Managing Director, Global Head of Trading Research & Global Head of

Transition Management

2003 – 2009, Barclays Global Investors (acquired by BlackRock) Managing Director, Global Head of Trading Research

2000 – 2003, ITG Inc. Managing Director, Research

1994 – 2000, Marshall School of Business, University of Southern California, Charles B. Thorton Professor of Finance

1993 – 1994, New York Stock Exchange, Inc., Visiting Economist

1988 – 1994, Wharton School, University of Pennsylvania, W. P. Carey Term Assistant Professor of Finance

2013 – 2015, Board of Directors, NQuotient LLC

2011 – present, Advisory Board, UCLA Anderson School of Management MFE program

2011 – present, Advisory Board, NYU Courant Institute Mathematical Finance program

2006 – 2013, Advisory Board of Journal of Investment Management (JOIM)

1992 − present, Program Committee Member, Western Finance Association Meetings

● Member of several academic and industry boards including NASD Economic Advisory Board, AIMR Task Force on Best Execution, Advisory Committee to the Center for the Study of Securities Markets, American Finance Association Program Committee

● Graham and Dodd Award for Best Article (2012): CFA Institute

● Graham and Dodd Award of Excellence (1998, 2003)