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Thomas W. CorbettChairman and Chief Executive OfficerAlliant Insurance Services
Thomas Corbett serves as Chairman and Chief Executive Officer of Alliant Insurance Services, Inc. In addition, he sits on the board of directors of Alliant Insurance Services. Mr. Corbett joined Alliant in 1977 as a producer and launched the company's Newport Beach-based public entity group.
Prior to joining Alliant, Mr. Corbett was with Allendale Insurance in Los Angeles and spent three years as a loss prevention engineer at Factory Mutual Engineering Association.
Mr. Corbett is a graduate of California State University, Long Beach.
Gregory ZimmerPresidentAlliant Insurance Services
Greg Zimmer serves as President of Alliant Insurance Services, Inc. and is a member of the company’s board of directors. In conjunction with other members of senior management, Mr. Zimmer is responsible for implementing the strategic direction of the firm. He also is responsible for corporate operations and all mergers and acquisitions activity.
Prior to joining Alliant, Mr. Zimmer and his partners built a significant financial services firm that ultimately was sold to GMAC, where he served as Senior Vice President. His career also includes corporate finance and venture capital experience while serving as Vice President at Security Pacific, which ultimately merged with Bank of America.
Mr. Zimmer holds a bachelor’s degree in economics/systems science from the University of California, Los Angeles (UCLA) and a master’s degree from the Anderson Graduate School of Management at UCLA.
Ralph HurstPresident, National Brokerage GroupAlliant Insurance Services
Ralph Hurst serves as President of the National Brokerage Group for Alliant Insurance Services, Inc., and is a member of the company’s executive committee. He has played a central role in the establishment and management of several of the firm’s major programs, including the Public Entity Property Insurance Program (PEPIP), the Hospital All Risk Property Program (HARPP), and the Tribal Property Insurance Program (TPIP). Mr. Hurst joined Alliant in 1987 as a producer after a 10-year tenure with the Factory Mutual Group.
He earned a bachelor’s degree in industrial technology-fire science from California State University, Los Angeles.
James CrystalVice Chairman
James Crystal is Vice Chairman of Alliant Insurance Services, Inc. and has served as a trusted advisor to many of the nation's foremost entrepreneurs, executives, and investors over a career spanning more than 50 years. Most recently, Crystal was Chairman and Chief Executive Officer of Crystal & Company prior to its 2018 acquisition by Alliant. After joining his father, Frank Crystal, in 1961, Crystal was named President in 1963. Under his leadership, Crystal & Company grew far beyond its original roots on Wall Street to serve a global clientele. Crystal serves as a Vice Chairman, Trustee, and Board Member of the Executive and Finance Committees and Co-Chairman of the Audit Committee of Mount Sinai Medical Center, as well as serving on the Boards of Directors of K2 Global Consulting and Ennia Caribe Holding, NV. Crystal has also served on the boards of Global Indemnity, Blockbuster, Stewart & Stevenson, and Donkenny.
James D. CareySenior PrincipalStone Point Capital
James D. Carey is a Senior Principal of Stone Point and a member of the Investment Committees of the Trident Funds. He joined Stone Point in 1997 from Merrill Lynch & Co.
Prior to joining Merrill Lynch & Co., Mr. Carey was a corporate attorney with Kelley Drye & Warren LLP. Mr. Carey is a director of a number of portfolio companies of the Trident Funds, including Alliant Insurance Services, Inc., Citco III Limited, Enstar Group Limited, the holding company of Amherst Pierpont Securities, Oasis Outsourcing Corporation, Privilege Underwriters, Inc., and Sedgwick Claims Management Services, Inc.
He holds a B.S. from Boston College, a J.D. from Boston College Law School, and an M.B.A. from the Duke University Fuqua School of Business.
Nicolas D. ZerbibSenior PrincipalStone Point Capital
Nicolas D. Zerbib is a Senior Principal of Stone Point and a member of the Investment Committees of the Trident Funds. He joined Stone Point in 1998.
Previously, he was an Analyst at Goldman, Sachs & Co. from 1993 to 1996. Mr. Zerbib is a director of a number of portfolio companies of the Trident Funds, including Alliant Insurance Services, Inc., The ARC Group, LLC, Freepoint Commodities LLC, Helios’ holding company, Hodges-Mace Holdings, LLC, NXT Capital, Inc., Preferred Concepts LLC, Privilege Underwriters, Inc., StoneRiver Group, L.P., and Yadkin Financial Corporation.
He holds a B.A. from Amherst College and an M.B.A. from the Harvard Graduate School of Business Administration.
James R. MatthewsPrincipalStone Point Capital
James R. Matthews is a Principal of Stone Point. He joined Stone Point in 2011 from Evercore Partners, where he was a Senior Managing Director and Co-Head of Private Equity.
Previously, Mr. Matthews was with Welsh, Carson, Anderson & Stowe, where he was a General Partner and focused on investments in the information services and business services sectors, and a General Partner of J.H. Whitney & Co. He started his career as an Analyst in the mergers and acquisitions group of Salomon Brothers Inc. Mr. Matthews is a director of Black Mountain Systems, LLC, Eagle Point Credit Company Inc., Eagle Point Credit Management LLC, Enhanced Capital Holdings, Inc., NEBCO Insurance Services, LLC, and Tree Line Capital Partners. In addition, he is a board member of Frenkel & Company and he is a former director of Bollinger, Inc., Fidelity Sedgwick Holdings, Inc., Ruesch International Inc. and Headstrong Inc.
He holds a B.S. from Boston College and an M.B.A. from the Harvard Graduate School of Business Administration.
Martin LongchampsManaging Director, Private EquityPSP Investments
Martin Longchamps is Managing Director, Private Equity, at the Public Sector Pension Investment Board (PSP Investments). He joined PSP Investments’ Private Equity group in 2018 and is responsible for the direct investing program in North America.
Prior to joining PSP Investments, Mr. Longchamps was Vice President, Corporate Development at Transcontinental, where he oversaw and executed the company’s transformation into a North American flexible packaging leader. He also served as a Partner at Edgestone Capital Partners, a mid-market private equity firm in Canada.
Mr. Longchamps has an M.B.A. from Harvard Business School and a Bachelor of Commerce from McGill University where he graduated on the Dean’s honor list.