马科尔集团 MKL

Thomas Gayner brings more than 35 years of executive leadership and investment expertise to Markel Group. As Chief Executive and Chief Investment Officer, he oversees the deployment of capital across insurance, industrial, financial, and consumer businesses, guiding Markel Group's strategic direction and growth. Mr. Gayner has profitably grown the equity portfolio at Markel Group since 1991, amassing an impressive investment track record over this time. Experience- Markel Group Inc.- Chief Executive Officer (2023 - Present); Co-Chief Executive Officer (2016 - 2022); President and Chief Investment Officer (2010 - 2015); Director and President, Markel Gayner Asset Management (1990 - Present). Vice President, Davenport & Company of Virginia (1984 - 1986). CPA, PricewaterhouseCoopers LLP (1983 - 1984). Current Public Company Directorships- The Coca-Cola Company (2024 - Present); Graham Holdings Company, (2007 - Present), Audit Committee (2007 - Present), Audit Committee Chairman (2009 - Present). Prior Public Company Directorships- Cable One Inc, Director (2015 - 2023); Colfax Corporation, Director (2008 - 2022). Other Directorships- Investment Advisory Committee of the Virginia Retirement System (2009 - Present); Davis Series Mutual Funds (2004 - 2025). Effective 08th September 2026, Thomas S. Gayner was appointed as Chairman of the Board.

Effective February 23, 2026, Mr. Andrew G. Crowley has been appointed Executive Vice President and Chief Executive Officer, Markel Insurance. Effective March 17, 2025, Simon Wilson, currently President, Markel International, has been appointed Chief Executive Officer over the Company's global specialty insurance and reinsurance underwriting operations, which will collectively be referred to as Markel Insurance. Mr. Wilson comes to the position with more than 20 years of experience scaling the operations of large specialty insurance organizations. He joined Markel in 2010 to spearhead international business development, and he was the primary architect of the expansion of Markel International beyond London, scaling operations in Europe, Canada, and Asia that collectively grew to $2.5 billion in annual gross written premium last year. In January 2020, Wilson was appointed Managing Executive of Global Strategy for Markel, where he directly supported all underwriting operations. Since he became President of Markel International in 2021, the division increased gross written premiums by nearly 40 percent and net underwriting profit by more than 250 percent. Prior to joining the company, Wilson led the Lloyd's Asia platform in Singapore. Effective 08th September 2026, Simon Wilson was appointed Co-President and Chief Executive Officer of Markel Insurance.

Richard R. Grinnan, Senior Vice President, Chief Legal Officer and Secretary of Markel Group since February 2020 and of c since October 2022. General Counsel and Secretary from June 2014 to February 2020. Assistant General Counsel from August 2012 to June 2014. Age 57.

Brian J. Costanzo, Chief Financial Officer of Markel Group and of Markel Insurance since December 2023. Senior Vice President, Finance, Chief Accounting Officer and Controller from October 2022 to December 2023. Principal financial officer (on an interim basis) from January 2023 to March 2023. Chief Accounting Officer and Controller from June 2021 to October 2022. Controller from December 2019 to June 2021. Segment Controller - U.S. Insurance from March 2014 to December 2019. Age 47.

Michael O'Reilly brings forty years of insurance industry experience from The Chubb Corporation, with deep expertise in investment management, reserve adequacy, capital management, financial disclosures, and corporate finance. He served as Vice Chairman and Chief Financial Officer at Chubb, and as Chairman of Alterra Capital Holdings Limited (Alterra), where he oversaw its sale to Markel Group. Mr. O'Reilly has led significant transactions, including the founding and merger of Harbor Point, and has extensive board experience in governance and mergers and acquisitions. As Lead Independent Director, he presides over meetings of independent directors and communicates board priorities to the Chairman of the Board and Chief Executive Officer. Experience- The Chubb Corporation- Chief Financial Officer (2003 - 2008) and Chief Investment Officer (1986 - 2002). Prior Public Company Directorships- Alterra Capital Holdings Limited, Chairman (2010 - 2013) and The Chubb Corporation, Vice Chairman (2002 - 2008). Other Directorships- Harbor Branch Oceanographic Institute Foundation, Inc. (2011 - Present); Chairman (2017 - Present); Pace University Board of Trustees, Trustee, Trustee Emeritus (25+ years); former Vice-Chairman; Lake George Land Conservancy, Trustee (2011 - 2023); President (2018 - 2023); Trustee Emeritus (2023 - Present) and Harbor Point Limited, a predecessor of Alterra, Chairman (March 2010 - May 2010); Deputy Chairman (2005 - 2010).

Diane Leopold brings to the Board over 35 years of expertise in operations, business development, financial planning, corporate strategy, mergers and acquisitions, market analysis and risk management from having served in senior executive roles with increasing management responsibility at publicly listed Dominion Energy. As COO and EVP of Dominion Energy, she managed operations in a highly regulated industry and worked closely with policymakers as chair of the American Gas Association and Interstate Natural Gas Association of America. Experience- Dominion Energy- Chief Operating Officer (2020 - 2025); Executive Vice President (2018 - 2025); Co-Chief Operating Officer (2019 - 2020); President and Chief Executive Officer, Gas Infrastructure Group (2017 - 2019); President, Dominion Energy, Inc. (2014 - 2016); Senior Vice President, Dominion Energy Gas Transmission (2012 - 2013). Current Public Company Directorships- CMS Energy Corp (NYSE) (2026) and Consumers Energy Co (NYSE) (2026), Compensation and Human Resources Committee and Finance Committee, for each (2026) and nVent (NYSE) (2025 - Present), Audit and Finance Committee (2025 - Present). Other Directorships- The Atlantic Council (2025 - Present); World Pediatrics (2023 - Present); Nuclear Electric Insurance Limited (2022 - 2025); The Jamestown-Yorktown Foundation (2020 - 2025); GROW Capital Jobs Foundation, Board of Trustees (2019 - 2025); American Gas Association (2014 - 2024); Chairwoman (2020); Hampton Roads Alliance (2021 - 2023); Northern Virginia Technology Council (2020 - 2022); Virginia Union University Board of Trustees, Trustee (2016 - 2023); Dominion Energy Midstream Partners MLP (2017 - 2019 (when it became a wholly-owned subsidiary of Dominion Energy)); Interstate Natural Gas Association of America (2014 - 2018); Chairwoman (2016 - 2017); Virginia Commonwealth University Foundation (2009 - 2015); Chairwoman (2014 - 2015).

Morgan Housel brings two decades of investment and financial research experience to Markel Group. As partner at Collaborative Fund, he leads investor communications, research, and due diligence, and serves on portfolio company boards. Mr. Housel is the author of best-selling books The Psychology of Money, Same as Ever, and The Art of Spending Money, recognized for their insights into investor psychology and long-term thinking. He is a two-time Best in Business Award winner and recipient of the New York Times Sidney Award. His books have sold over 11 million copies and have been translated into more than 60 languages. Experience- Partner, The Collaborative Fund (2016 - Present); Columnist and Senior Analyst, The Motley Fool (2007 - 2016); Columnist, The Wall Street Journal (2014 - 2015)Other Directorships- Long-Term Stock Exchange, Independent Director (2017 - 2018); Camino Financial, Independent Director (2017 - 2018).

Lynne Puckett brings extensive experience in global operations, corporate law, and complex transactions. As General Counsel at Celanese and Colfax, she led legal strategy for major acquisitions, including Celanese's $11 billion purchase of DuPont's Mobility & Materials division and Colfax's- $2.4 billion acquisition of Charter International. From her time as a Partner at Hogan Lovells US LLP, Ms. Puckett has deep expertise in corporate law, complex mergers and acquisitions, and strategic review processes. Her board service includes roles at the American Shakespeare Center and University of Maryland's Greenebaum Cancer Center. Experience- Senior Vice President and General Counsel, Celanese Corporation (2019 - 2024); Senior Vice President, General Counsel, Secretary, Colfax Corporation (2010 - 2019) and Partner, Hogan Lovells US LLP (1999 - 2010). Other Directorships- American Shakespeare Center, Trustee (three terms, most recently, 2022 - 2025); University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center (Former) and Center for Refugee and Disaster Response at the Johns Hopkins Bloomberg School of Public Health (Former).

Jon Michael is a proven leader in specialty insurance, with over 20 years as Chief Executive Officer of RLI Corp., a close peer to Markel Insurance. Mr. Michael brings extensive public company board experience from RLI and SS&C Technologies Holdings, where he has served as lead independent director and chaired key committees. He is also a past chairman of the Property Casualty Insurers Association of America, served as interim president of Bradley University from 2024 to 2025, and is a Certified Public Accountant. Experience- RLI Corp.- Chief Executive Officer (2001 - 2021); Chief Operating Officer (1994 - 2001); Executive Vice President (1992 - 1994) and Chief Financial Officer (1985 - 1992). CPA, Coopers & Lybrand (1977 - 1982). Bradley University, Interim President (2024 - 2025). Current Public Company Directorships- SS&C Technologies Holdings, Inc. (Nasdaq) (2010 - Present)- Lead Independent Director (2022 - Present); Compensation Committee, Chair (2024 - Present); Audit Committee (2010 - 2024); Chair (2017 - 2023); Nominating and Corporate Governance Committee (2013 - Present). Prior Public Company Directorships- RLI Corp. (NYSE) (1997 - 2024); Chairman (2011 - 2024) and Fieldstone Investment Corporation (Nasdaq) (2003 - 2007). Other Directorships- Bradley University Board of Trustees, Trustee (2016 - Present); Chairman (2024 - Present).

Lawrence A. Cunningham is a renowned authority on corporate governance, board practices, and value investing, with extensive experience gained as a researcher, author, lawyer and public company director. He is the Presiding Director of the John L. Weinberg Center for Corporate Governance at the University of Delaware and is a director and vice chairman of the board at Constellation Software Inc. Mr. Cunningham's work includes influential books such as The Essays of Warren Buffett, The AIG Story and Quality Investing. Experience- Presiding Director, John L. Weinberg Center for Corporate Governance, University of Delaware (2024 - Present); Special Counsel, Mayer Brown (2023 - 2024); Professor of Corporate Governance, George Washington University (2006 - 2022); Professor and Vice Dean, Boston College Law School (2001 - 2006); Professor, Cardozo School of Law, Samuel and Ronnie Heyman Center on Corporate Governance (1994 - 2001); Corporate Associate, Cravath, Swaine & Moore LLP (1988 - 1994). Current Public Company Directorships- Constellation Software Inc. (Toronto Stock Exchange) (2017 - Present); Vice Chairman (2019 - Present). Prior Public Company Directorships- Kelly Partners Group Holdings Limited (Australia Stock Exchange) (2022 - 2025)Other Directorships; Ivey Business School, Ben Graham Centre for Value Investing (2020 - Present); Museum of American Finance, Trustee (2017 - Present) and Editorial Board Member (2014 - Present).

Harold Morrison is a proven leader in the insurance industry, with over thirty years at The Chubb Corporation in operational leadership roles. He brings deep expertise in global insurance operations, specialty underwriting, and agent/broker partnerships. Mr. Morrison led the integration of 48 offices and 4,500 employees following the Chubb-ACE merger, ensuring operational efficiency, underwriting profit, expense control, customer retention and continuity across North America and Canada. As Chief Global Officer and Administrative Officer, he managed complex, international and U.S. operations spanning 120 offices in 28 countries. Experience- Senior Vice President, Chubb Group and Division President, Field Operations, North America Insurance of Chubb Insurance Company (2016 - 2017) and Executive Vice President and Chief Global Field Officer, The Chubb Corporation (2008 - 2016). Chief Administrative Officer responsibilities were added to his existing duties in 2011. Other Directorships- IMA Financial, Independent Director (2022 - Present), Compensation Committee, Chair (2024 - Present).

Greta Harris is a seasoned executive with deep experience in corporate strategy, talent management, government relations, and community engagement. As President and CEO of Better Housing Coalition, she has led efforts to strengthen infrastructure, build partnerships, and expand affordable housing for thousands of families. Her prior leadership at Virginia Local Initiatives Support Corporation supported economic development across the Southern and Midwestern regions, including over $250 million in real estate projects in Central Virginia. Ms. Harris's work in community development and board service for organizations such as Greater Washington Partnership and the Virginia Redistricting Commission provides valuable insight into social and economic matters relevant to Markel Group. Experience- President and CEO, Better Housing Coalition (2013 - Present); Senior Program Director and then Program Vice President at Local Initiatives Support Corporation (1997 - 2013); Senior Program Director, Local Initiatives Support Corporation (1997 - 2006); Executive Director, Richmond Neighborhood Housing Services (1992 - 1997); Project Developer, Greater Germantown Housing & Community Development Corporation (1989 - 1992); Project Architect, Johnson & Jones Architects (1985 - 1989). Other Directorships- National NeighborWorks Association (2025 - Present); The Richmonder (2024 - Present); Greater Washington Partnership (2022 - Present); Virginia Redistricting Commission, Co-Chairwoman (2021 - Present); Housing Partnership Network (2020 - Present); Richmond Jazz Society (2015 - Present); Virginia Tech Board of Visitors, Board Member (2016 - 2024); ChamberRVA, Board Member (2018 - 2023); City of Richmond's Economic Development Authority, Board Member (2010 - 2013).

Mark Besca brings over 40 years of financial and accounting expertise to Markel Group. As Managing Partner for EY's New York Office, he oversaw audits for Fortune 500 companies in a variety of industries, including media, internet, telecommunications, financial services, and consumer products-industries that have relevance to Markel Group's portfolio of businesses. He championed EY's Long-Term Value and Stakeholder Capitalism initiative, aligning with Markel's focus on sustainable capital allocation and resilient income streams. Experience- EY (formerly Ernst & Young)- Leader of the Long-Term Value and Stakeholder Capitalism initiative, EY (2018 - 2020); Managing Partner, New York City Office (2012 - 2018); Northeast Managing Partner, Assurance and Advisory Business (2009 - 2011); Audit Partner, Fortune 500 companies (2012 - 2020). Current Public Company Directorships- Las Vegas Sands (NYSE), Compliance Committee, Chair (2025 - Present); Clarus Corporation (NASDAQ), Audit Committee, Chair (2024 - Present). Other Directorships- Pace University Board of Trustees, Trustee (2001 - Present); Chairman Emeritus (2021 - Present); Chairman (2013 - 2021); Roundabout Theatre Production Company (2024 - Present); David Rockefeller New York City Partnership, Fellow (Class of 1999).

Steve Markel has been with Markel Group since 1975, bringing deep expertise in finance, investments, and company operations. He led Markel's IPO in 1986. Mr. Markel brings in-depth, intimate knowledge of the Company, its operations, its history and its challenges and opportunities. He is known for his analytical insight, attention to detail, and passion for the Company's success. Mr. Markel's extensive set of relevant skills and experiences have enabled him to adroitly lead and position the Company for long-term success in his role as Chairman of the Board. Experience- Markel Group Inc.- Chairman of the Board (2020 - Present); Vice Chairman of the Company (1992 - 2020); Executive Vice President (1986 - 1992) and Treasurer (1975 - 1986). Prior Public Company Directorships- Union First Market Bankshares Corporation (2010 - 2014); First Market Bank (1998 - 2010); S&K Famous Brands (1996 - 2009); Fairfax Financial Holdings Limited (Toronto Stock Exchange) (1985 - 1998); Avemco Corp (1994 - 1997). Effective 08th September 2026, Steven A. Markel retired as the Chairman of the Board of directors. Steven A. Markel will not stand for re-election at the 2027 Annual General Meeting.

Effective February 23, 2026, Mr. Andrew G. Crowley has been appointed Executive Vice President and President, Markel Ventures. Andrew G. Crowley, President, Markel Ventures since May 2022. President, Markel Ventures, Inc., a subsidiary, since May 2022. Executive Vice President, Markel Ventures, Inc., from May 2020 to May 2022. Managing Director, Markel Ventures, Inc., from January 2017 to May 2020. Effective 08th September 2026, Andrew G. Crowley was appointed as Co-President and Chief Executive Officer of Markel Ventures.

Meade P. Grandis, Managing Director, Accounting Policy and Reporting, has been appointed by the Board to serve as Chief Accounting Officer, effective December 18, 2023. Ms. Grandis, age 44, has been with the Company for 13 years and has more than 20 years of experience in financial reporting, accounting, and audit. She has served as the Company's Managing Director, Accounting Policy and Reporting since February 20, 2023, and served as Senior Director, Accounting Policy and Reporting from August 2019 to February 2023. Prior to that, she was Director, Accounting from April 2015 to August 2019 and Manager, Financial Reporting from June 2010 to April 2015.