Professor William Thomas Martinez is the current CEO and Chief Global Investment Strategist of Citi Private Bank, based in New York. He is fully responsible for global macro asset allocation strategies and leads the forefront efforts to integrate quantitative models and artificial intelligence into institutional investment processes.

Professional Experience

Citi Group (2020–Present)

Serving as CEO of Private Equity and Chief Global Investment Strategist, driving global investment strategy innovation and the implementation of artificial intelligence applications.                                 

Bridgewater Associates (2013–2020)

Chief Investment Strategist, managing over $60 billion in assets. Successfully navigated systemic risk events, including the 2015 Chinese stock market volatility and the 2018 Federal Reserve policy adjustments.

Early and Mid-Career (2005–2013)

Led the development of factor-based investment strategies and was a pioneer in applying artificial intelligence to index fund management. During the 2008 financial crisis, accurately identified liquidity risks and made portfolio adjustments, helping to avoid potential losses of over 40%. In 2009, the technology-focused fund he managed achieved an 87% annual return, becoming a model for market recovery post-crisis.

Professional Achievements

• Developed the “Wealth Series” equity products, delivering exceptional returns for clients.
• Frequently invited as a guest on financial media to provide market and investment strategy insights.
• Authored Low-Risk Investing: The Path to Wealth, with the stock selection tool he developed adopted by stock exchanges.
• Long-time policy advisor to the U.S. Securities and Exchange Commission (SEC) and the Federal Reserve.

Educational Background

Master’s in Economics from New York University’s Stern School of Business. Early in his career, worked as a stock analyst, developing unique short-term and long-term stock selection techniques and excelling at identifying high-quality market opportunities.