Brian Posner
Founder, President and Director
Brian Posner brings more than 35 years of corporate and board leadership, investment expertise, and strategic counsel to Point Rider Group as its Founder and President. His experience spans senior executive roles, corporate directorships, and investment management across public and private markets.
​
Brian currently serves as a director of Arch Capital Group (ACGL), where he chairs the Finance, Investment, and Risk Committee. Previously, he served as Chair of Bioverativ (BIVV) and the AQR Funds, and as a director for Biogen (BIIB), Sotheby’s (BID), and The Mutual Fund Store (a private company), among others.
​
His leadership experience includes serving as President and CEO of ClearBridge Advisors, a $100+ billion asset management firm. Prior to that, he was Managing Member of Hygrove Partners LLC, a value-based equity hedge fund group; Partner and Managing Director at Warburg Pincus LLC; and Vice President and Portfolio Manager at Fidelity Investments, where he was sole manager of a nationally recognized, top-performing equity mutual fund.
​
Brian serves as a Charter Trustee at Northwestern University and is an emeritus member and former co-Chair of the Board of Visitors at Northwestern's Weinberg College of Arts and Sciences. He is also an advisor to Northwestern's Center for the Study of Diversity and Democracy. He regularly guest lectures on corporate strategy and governance at Northwestern's Kellogg School of Management and Columbia University's Graduate School of Journalism.