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    Home /  Lawyers /  William D. Torchiana

    William D. Torchiana

    Partner

    Paris +33-1-73-04-58-90
    New York +1-212-558-4056
    torchianaw@sullcrom.com
    William D. Torchiana Headshot Photo

    Paris

    +33-1-73-04-58-90

    New York

    +1-212-558-4056

    |

    torchianaw@sullcrom.com

    Email vCard

    William Torchiana joined Sullivan & Cromwell in 1986 and has been a partner in the Firm’s Financial Services Group since 1995. He has broad-based experience in transactional and regulatory matters involving international and domestic insurance and reinsurance companies and other financial institutions. In addition to domestic and cross-border corporate finance transactions, Mr. Torchiana has advised a number of foreign financial institutions on their acquisitions of U.S. and non-U.S. insurers and reinsurers. Mr. Torchiana was the managing partner of the Firm’s Paris office from 2004⁠–2018.

    Professional Activities and Community Involvement

    • Member, Insurance Policy Advisory Committee (IPAC) (2022 - 2025 term), United States Federal Reserve
    • Chair, International Bar Association (IBA) Insurance Law Committee (2020-2021 term)
    • Past Insurance Committee Member, ABCNY
    • Past Chairman, Board of Trustees, The American Library in Paris
    • President, American Library in Paris USA Foundation
    • Member, Board of Governors, American Hospital of Paris
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    Spotlight

    William Torchiana, Marion Leydier and Nicholas Menillo Serve as Contributing Editors to Lexology’s Getting The Deal Through: Insurance & Reinsurance

    Read More
    • Experience
    • Rankings and Recognitions
    • News
    • Publications, Videos and Podcasts
    • Credentials
    • Related Practices
    Experience

    Experience

    M&A, Private Equity and Insurance Regulatory Assignments

    • AXA in the exclusive negotiation to sell AXA Investment Managers to BNP Paribas for a total estimated transaction value of €5.4 billion
    • The transfer of certain Allianz’s investment assets totaling $120 billion and related portfolio management teams to Voya
    • The acquisition of Sound Harbor Partners by Allianz Global Investors
    • The acquisition of Chubb Ltd. by ACE
    • The sale of Paris Re to PartnerRe Ltd.
    • The acquisitions by ING Group of Equitable, ReliaStar and Aetna
    • The sale by ING Group of its Latin American insurance, pensions and wealth management businesses
    • The acquisition by AXA of Winterthur Group from Credit Suisse
    • The acquisitions by Anthem of Trigon Healthcare and WellPoint
    • The pre-demutualization investment in MONY by Goldman Sachs-affiliated funds
    • The investment by Allianz SE in Hartford Financial Services
    • The sale by Ford of Ford Life Insurance Company
    • The sale by AXA of its reinsurance business to a private equity consortium
    • The sale by BBVA of its pension businesses in Peru, Mexico, Chile and Colombia and of BBVA USA Bancshares, Inc., including its U.S. banking subsidiary, BBVA USA

    Financing

    • The largest insurance company public offering in the United States (Allstate)
    • U.S. listings or global offerings by ING Group (Netherlands), Allianz (Germany) and SCOR (France)
    • The first mutual holding company IPO and subsequent demutualization (AmerUs Group)
    • Numerous other public offerings, Rule 144A offerings, demutualizations, conversions and other transactions involving U.S. and non-U.S. insurance and reinsurance companies
    • The privatizations of UAP (France) and INA (Italy)
    • Financings for insurers and reinsurers in Bermuda, Latin America, Europe and other non-U.S. jurisdictions
    • Offshore insurance/reinsurance securitization and derivative transactions involving the transfer of catastrophe, mortality and life/health risks to the capital markets by Aura Re, Atlas Re, Blue Fin Ltd., Mosaic Re, Osiris Capital plc, Pacific Re, Trinity Re and others
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    Rankings and Recognitions

    Rankings and Recognitions

    • Chambers Global: France, Corporate/M&A (2014, 2015, 2016, 2017, 2018)
    • Named a 2013 “Dealmaker of the Year” by The American Lawyer for his role advising ING Group in a series of worldwide divestitures
    • IFLR1000: Financial and Corporate (2010, 2014, 2015, 2016, 2017, 2018)
    • The Legal 500 EMEA: Insurance: Regulatory and Corporate (2012, 2013, 2014, 2015, 2016, 2017)

    • The Legal 500 United States: Insurance: non-contentious (2016, 2017, 2018)
    • European Legal Experts: Corporate/M&A (2008, 2010)
    • European Legal Experts: Banking & Finance (2002, 2005, 2006, 2007, 2008)
    • European Legal Experts: Corporate and Commercial (2004, 2005, 2006, 2007)
    • PLC Which Lawyer? Yearbook: M&A and Corporate Finance (2001-2002, 2002-2003, 2003-2004)
    • PLC Global Counsel Mergers & Acquisitions Handbook (2001, 2002, 2003-2004, 2004-2005)
    • New York Super Lawyers (2010)
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    News

    News

    • S&C Obtains Ninth Circuit Victory for Allianz in Securities Litigation

      July 1, 2025
    • S&C Advises ING Groep on $3.5 Billion SEC-Registered Notes Offering

      April 8, 2025
    • S&C Advises AXA in Exclusive Negotiation to Sell AXA Investment Managers to BNP Paribas for €5.4 Billion

      August 1, 2024
    • S&C Obtains Dismissal of Securities Claims Against Allianz SE and U.S. Affiliate

      March 19, 2024
    • S&C’s Paris Office Profiled in LJA – Le Magazine

      March 30, 2023
    • Werner Ahlers, Inosi Nyatta, William D. Torchiana and Michael Orchowski Speak at International Bar Association Annual Conference

      October 30–November 4, 2022
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    Publications, Videos and Podcasts

    Publications, Videos and Podcasts

    • William Torchiana, Marion Leydier, Nicholas Menillo and Roderick Gilman Author Lexology’s Panoramic: Insurance & Reinsurance 2025 Introduction and USA Chapter

      Books May 29, 2025
    • William Torchiana, Marion Leydier and Nicholas Menillo Co-Author the Introduction and USA Chapter to Lexology’s Panoramic: Insurance & Reinsurance 2024

      Articles May 28, 2024
    • William Torchiana, Marion Leydier and Nicholas Menillo Serve as Contributing Editors to Lexology’s Getting The Deal Through: Insurance & Reinsurance

      Articles May 2023
    • S&C Financial Services Coronavirus Developments

      S&C Alerts March 25, 2020
    Read More
    Credentials

    Credentials

    Education

    • University of Pennsylvania Law School, J.D., 1986
    • Stanford University, A.B., 1981

    Bar Admissions

    • New York
    • Paris (inactive)

    Languages

    • English
    • French
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    Related Practices

    Related Practices

    • General Practice
    • Capital Markets
    • Criminal Defense & Investigations
    • Europe
    • Financial Services
    • Foreign Investments and Trade Regulations
    • Insurance
    • Latin America
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