Speakers

William Ackman is the CEO and Portfolio Manager of Pershing Square Capital Management, L.P., an SEC registered investment adviser founded in 2003. Pershing Square is a concentrated research-intensive fundamental value investor in long and occasionally short investments in the public markets.

Prior to forming Pershing Square, Mr. Ackman co-founded Gotham Partners Management Co., LLC, an investment adviser that managed public and private equity hedge fund portfolios. Prior to Gotham Partners, Mr. Ackman began his career in real estate investment banking at Ackman Brothers and Singer, Inc. Mr. Ackman received an MBA from the Harvard Business School and a Bachelor of Arts magna cum laude from Harvard College.

Mr. Ackman is the Executive Chairman of the Board of Howard Hughes Holdings. He is a Trustee of the Pershing Square Foundation, a member of the Board of Trustees at The Rockefeller University and the Board of Dean’s Advisors of the Harvard Business School.

David O’Reilly is the Chief Executive Officer of Howard Hughes Holdings, responsible for driving the sustainable growth of the company’s assets and unlocking meaningful long-term value across the company's portfolio. He previously served as the company’s President, and as its Chief Financial Officer—the role in which he joined the company in 2016.

As the architect and leader of the company’s 2019 Transformation Plan, Mr. O’Reilly realized meaningful reductions in overhead, executed on the sale of non-core assets, and refocused the company on its highly profitable MPCs. His leadership has successfully positioned the company for growth, further diversifying HHH’s funding sources and increasing its liquidity to enable to company to pursue value-creating opportunities.

Prior to joining the company, Mr. O’Reilly served as Executive Vice President, Chief Investment Officer of Parkway Properties, a New York Stock Exchange-traded real estate investment trust focused on office properties. He served in the position from November 2011 through October 2014 and was appointed Chief Financial Officer in August 2012. He also served as the company’s Interim Chief Financial Officer from May 2012 through August 2012.

Previously, Mr. O’Reilly served as Executive Vice President of Banyan Street Capital and as Director of Capital Markets for Eola Capital LLC. He served in the investment banking industry as Senior Vice President of Barclays Capital Inc. and in a similar capacity for Lehman Brothers. During his career, Mr. O’Reilly has been involved in a broad range of financial advisory and merger and acquisition activities, including leveraged buyouts, initial public offerings and single asset and pooled CMBS transactions.

Mr. O’Reilly graduated from Tufts University with a B.S. in Civil Engineering and received his M.B.A. from Columbia University.

Ryan Israel is the Chief Investment Officer of Howard Hughes Holdings. He has served as the Chief Investment Officer of Pershing Square Capital Management since August 2022 and as a member of the board of directors of Pershing Square since June 2024. He joined the PSCM investment team in 2009. Mr. Israel was previously an analyst at The Goldman Sachs Group, Inc. in the Technology, Media and Telecom group. He served as a director of Element Solutions Inc. from October 2013 through January 2019. Mr. Israel received his Bachelor of Science from the Wharton School at the University of Pennsylvania, where he graduated summa cum laude and beta gamma sigma in 2007.

Marc Grandisson served as Chief Executive Officer of Arch Capital Group Ltd. (NASDAQ: ACGL), a Bermuda-based global provider of specialty insurance, reinsurance, and mortgage insurance, from 2018 until his retirement in 2024. One of Arch Capital's original founders, he joined the company at its inception in 2001 and held a series of senior leadership roles before being appointed CEO. Under his leadership, Arch Capital grew into one of the most respected and profitable specialty insurance enterprises in the world, delivering consistent long-term value to shareholders across a range of market cycles. 

Prior to joining Arch Capital, Mr. Grandisson held senior roles at Berkshire Hathaway, F&G Re, and Towers Watson. He is a Fellow of the Casualty Actuarial Society and a member of the American Academy of Actuaries, and has served as Chairman of the Association of Bermuda Insurers and Reinsurers (ABIR). 

Mr. Grandisson earned a Bachelor of Science in Actuarial Science from Université Laval in 1990 and a Master of Business Administration from the Wharton School of the University of Pennsylvania in 2000. A lifelong hockey enthusiast born and raised in Quebec, he is a minority investor in the NHL's Carolina Hurricanes.