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About Flagstone
History of Formation
Strategy & Mission
Statement

Bios of Key Management
Board of Directors and Bios

 

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"Focused on property, property catastrophe, specialty and short-tail casualty coverage on a worldwide basis."

 
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Mark Byrne: Chairman
David Brown: CEO
Guy Swayne: CUO, International
Gary Prestia: CUO, North America
James O'Shaughnessy: CFO

Mark Byrne: Chairman

Mark Byrne is the Executive Chairman and a Founder of Flagstone Reinsurance Holdings Ltd. Flagstone operates in 9 countries including major operating subsidiaries in Bermuda and Switzerland. Flagstone is listed on NYSE under ticker “FSR”.

Prior to founding Flagstone, Mark Byrne founded and managed West End Capital Management (Bermuda) Limited, a Bermuda investment management firm engaged primarily in Fixed Income Arbitrage. Along with his professional staff he managed over $1bn of net assets.

Mark has been involved in the insurance and reinsurance business as an owner/investor and board member for many years. He has invested at early stages in several insurance companies and has served on the boards of a number of insurance companies, including three public companies prior to Flagstone: White Mountains Insurance Group, Terra Nova (Bermuda) Holdings and Markel Insurance. Mark is also Chairman of Island Heritage Insurance Holdings in the Cayman Islands.

David Brown: CEO

David Brown has served as Chief Executive Officer of Flagstone since its inception.  From September 2003 until our inception, Mr. Brown served as the Chief Executive Officer of Haverford and as the Chief Operating Officer of West End Capital Management (Bermuda) Limited. Mr. Brown joined Centre Solutions (Bermuda) Limited in 1993, and was its President and Chief Executive Officer at the time of his retirement in 1998. Prior to joining Centre, Mr. Brown was a Partner with Ernst & Young in Bermuda. Mr. Brown is the non-executive Chairman of the Bermuda Stock Exchange and a Director and Trustee for the Schroder Family Trusts. Mr. Brown led the team which analyzed, structured and negotiated the acquisition of Merastar Insurance Company in 2004. As Chairman of Merastar, he led the board's oversight of the successful turn-around strategy. Mr. Brown is also a director of Island Heritage Company.  At Centre, Mr. Brown was responsible for the global operations of a group with over $7 billion in assets and offices in several countries. During his ten years with Ernst & Young, he specialized in insurance and was involved in the liquidation of numerous insurance companies in Bermuda, the U.K. and the U.S. Mr. Brown is a Fellow of the Institute of Chartered Accountants in England & Wales and a Member of both the Institute of Chartered Accountants of Bermuda and the Canadian Institute of Chartered Accountants.

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Guy Swayne: CUO, International

Mr. Swayne has extensive experience in the industry worldwide and brings a depth of expertise in underwriting, business development, and leadership to Flagstone Re.  He has held a number of executive positions in the Bermuda, London and New York markets.  Prior to joining Flagstone Re, he was Chief Underwriting Officer, International with ACE Tempest Re Bermuda where he managed the International Catastrophe underwriting unit. 

Mr. Swayne joined Ace in January 2000 and has held senior positions including Executive Vice President, ACE Financial Solutions International (AFSI) – Bermuda where he managed AFSI offices in London, Dublin, and Melbourne. In London he became President of ACE Financial Solutions Europe (AFSE) whereby he established and developed the European office reporting directly to the President and CEO in Bermuda.  Mr. Swayne was instrumental in many key elements associated with a start up operation including business plan and budget development, hiring underwriting team, business production and program completion.

Prior to joining ACE, from October 1996 to September 1999 Mr. Swayne was Senior Vice President with Aon Re Bermuda where he was responsible for the production, design and placement of reinsurance and capital market solutions for Bermuda domiciled Insurance, Reinsurance and Captive Companies.
From November 1993 to October 1996, Mr. Swayne was Vice President of Willis Faber North America in New York with responsibility for the production, design and placement of treaty and proportional reinsurance contracts for both United States domiciled companies and International companies. He was also responsible for marketing business into and production out of the Bermuda market.

Mr. Swayne’s early underwriting experience in the Lloyds market with John Poland & Company from 1987 to 1992, where as deputy underwriter he underwrote a global non marine portfolio enabled him to develop a broad knowledge of the industry and establish excellent industry wide connections.

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Gary Prestia: CUO, North America

Gary has more than twenty one years experience in the insurance and reinsurance industry in senior underwriting and executive management positions successfully navigating across the underwriting cycles. From 1998 to 2003 Gary was Senior Vice President and Chief Underwriting Officer for Standard Property & Casualty lines at Converium before becoming President of Converium North America on January 1, 2004 when he assumed responsibility for all legal entities and staff in the United States and Canada.  As SVP and Chief Underwriting Officer, he was responsible for Property Cat, Property Non-Cat, Motor, Marine and Third Party Liability (excluding professional liability and workers compensation) and developed an excellent track record and improved profitability. In early 2005 Gary was brought in to Alea North America as CEO of the North American Reinsurance Division with the challenge to turnaround that business, restore profitability and expand short-tail underwriting and product offerings. 

Prior to 1998, Gary held senior underwriting positions at Transatlantic Re, where he was responsible for Property, Property Cat, Marine, Aviation and Property Facultative lines.  He also held underwriting positions with increasing responsibility at Skandia America Re, St. Paul Re and Republic Insurance Group. Gary received his CPCU and ARe designations from the American Institute for Chartered Property and Casualty Underwriters and undergraduate degree and graduate work at St. Johns University School of Risk Management and Insurance in New York.

James O'Shaughnessy - Chief Financial Officer

Mr. O'Shaughnessy joined Flagstone as Chief Financial Officer in May 2006. Previous to Flagstone he was the Chief Accountant and Senior Vice President at Scottish Reinsurance where he was responsible for group internal and external reporting as well as various finance functions and research into accounting issues. Prior to joining Scottish Re, Mr. O'Shaughnessy was Chief Financial Officer and Senior Vice President at XL Re Ltd., and before that he served for four years at Centre Solutions as Controller and Vice President. Before joining Centre, he spent 4 years at Tempest Reinsurance where his last position was Vice President of Finance. He began his career in Ireland at PricewaterhouseCoopers before moving to KPMG Peat Marwick in Bermuda. Mr. O'Shaughnessy holds a Bachelor of Commerce degree from University College, Cork, Ireland and is both a Fellow of the Institute of Chartered Accountants of Ireland and an Associate Member of the Chartered Insurance Institute of the UK. Top