Marilyn A. Lion

Partner
New York
Tel: +1 212 909 6108
Overview
Marilyn A. Lion, is a corporate partner, Co-Chair of the firm’s Financial Institutions Group, and a member of the firm’s Corporate Department. Ms. ... Read Full Biography

Publications

Upcoming Events

  • Rising Prevalence of the Use of Insurance Capital in Leveraged Financings
    21 May 2026
    Practising Law Institute
    PLI Leveraged Finance Conference
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements

Recent Events

  • Profile Raising - M&A, Markets, and the State of the Profession: A Conversation on Women & Dealmaking
    13 April 2026
    University of Pennsylvania Institute for Law & Economics
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Investing in 21st Century Lloyd’s of London
    2 July 2025
    Debevoise & Plimpton LLP
    London, UK
    Speaker: David Grosgold, Marilyn A. Lion, Dr. Clare Swirski
    Speaking Engagements
  • Private Equity Owned Insurers
    19-20 October 2023
    American College of Investment Counsel
    2023 Fall Annual Meeting and Education Conference
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • New York’s "Best Interest” Rule for Life Insurance and Annuities Found Constitutional: Overview and Implications
    28 October 2022
    Debevoise & Plimpton LLP
    Insurance Webcast Series
    Webcast
    Speaker: Eric Dinallo, Marilyn A. Lion
    Speaking Engagements
  • New York’s "Best Interest” Rule for Life Insurance and Annuities Found Constitutional: Overview and Implications
    26 October 2022
    Debevoise & Plimpton LLP
    Insurance Webcast Series
    Webcast
    Speaker: Eric Dinallo, Marilyn A. Lion
    Speaking Engagements
  • ERISA and General Accounts - Current Developments
    24 June 2022
    Debevoise & Plimpton LLP
    Insurance Series
    Webcast
    Speaker: Alexander R. Cochran, Jonathan F. Lewis, Marilyn A. Lion
    Speaking Engagements
  • Insurance Series: ERISA and General Accounts - Current Developments
    Friday, June 24, 2022
    11:00am – 11:30am EDT
    Webinar
    Speaker: Alexander R. Cochran, Jonathan F. Lewis, Marilyn A. Lion
    Speaking Engagements
  • Corporate Development: Executing an Effective M&A Strategy
    15 - 16 October 2019
    Merger & Acquisition Services
    S&P 10th Annual Insurance M&A Symposium
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • The Status of Federal and State Best Interest Initiatives
    24 September 2019
    Association of Life Insurance Council
    ALIC Regional Roundtable
    Atlanta, Georgia
    Speaker: Susan Reagan Gittes, Marilyn A. Lion
    Speaking Engagements
  • Legal Concurrent - Insurance Business Transfer and Corporate Division Transactions and Legislation
    15-17 July 2019
    American Council of Life Insurers
    ACLI Compliance & Legal Sections Annual Meeting 2019
    Fort Lauderdale, Florida
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Insurance Risks and Regulation
    3 June 2019
    Moodys.com
    Moody’s 21st Annual Insurance Summit
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Insurance Division and Transfer Laws: A Vision to be Checked and Sharpened?
    19-21 May 2019
    Association of Life Insurance Council
    ALIC 2019 Annual Meeting
    Palm Beach, Florida
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • The Holy Grail of Big Data
    11 April 2019
    FT Live
    FT Insurance Innovation Summit 2019
    New York, NY
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Insurance M&A Outlook: A View from Above
    17-18 October 2018
    S&P Global
    S&P Global 9th Annual Insurance M&A Symposium
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • The Changing Nature of Risk
    11 April 2018
    Financial Times
    FT Insurance Innovation Summit
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Building an InsurTech Ecosystem
    17 October 2017
    S&P Global Market Intelligence
    Insurance M&A Symposium
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Blockchain Technology
    10 October 2017
    American Council of Life Insurers
    ACLI 2017 Annual Conference
    Orlando, Florida
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Impact of the Implementation of Principle-Based Reserves on Insurers
    23 May 2017
    Debevoise & Plimpton LLP
    Are You Ready? An Actuarial Overview of Principle-Based Reserves for Lawyers
    Debevoise & Plimpton, New York
    Speaker: Alexander R. Cochran, Marilyn A. Lion
    Speaking Engagements
  • Investment and Corporate Part 2: M&A Refresher
    30 April 2017
    Association of Life Insurance Counsel
    2017 ALIC Annual Meeting
    Miami, Florida
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Key Developments from the NAIC 2017 Spring National Meeting
    13 April 2017
    Debevoise & Plimpton LLP
    Recap from the NAIC 2017 Spring National Meeting
    New York, New York
    Speaker: Alexander R. Cochran, Eric Dinallo, Thomas M. Kelly, Marilyn A. Lion
    Speaking Engagements
  • Insurance Public Company M&A
    4 April 2017
    Debevoise & Plimpton LLP
    Public Company M&A in the Insurance Industry – Issues & Trends
    Debevoise & Plimpton, New York
    Speaker: Marilyn A. Lion, Nicholas F. Potter
    Speaking Engagements
  • Insurance Regulatory Topics to Watch in 2016
    10 February 2016
    Debevoise & Plimpton LLP
    Debevoise Seminar
    Debevoise & Plimpton, New York, New York
    Speaker: Eric Dinallo, Thomas M. Kelly, Andrew M. Levine, Marilyn A. Lion
    Speaking Engagements
  • The Insurance M&A Market: A Year in Review
    14 December 2015
    New York State Bar Association Insurance Committee
    New York State Bar Association Insurance Committee
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Trends and Outlook of Global M&A
    15 October 2015
    SNL Financial and Debevoise & Plimpton
    6th Annual SNL Insurance M&A Symposium
    New York, New York
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Hot Topics in Reinsurance
    12 October 2015
    American Council of Life Insurers
    American Council of Life Insurers Annual Conference
    Chicago, IL
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Ethical Issues Facing In-House Counsel at Insurance Companies: Complying with Federal and State Rules
    24 September 2015
    Debevoise & Plimpton

    Legal Ethics Training and Seminar

    Debevoise & Plimpton, New York
    Speaker: Eric Dinallo, Thomas M. Kelly, Marilyn A. Lion, Maeve O'Connor, David A. O'Neil
    Speaking Engagements
  • The Future of Captive Reinsurer Based Financings: Structuring Considerations for Actuarial Guideline 48 Compliant AXXX/XXX Transactions
    25 June 2015
    Speaker: Seth L. Rosen, Marilyn A. Lion, Alexander R. Cochran, Thomas M. Kelly
    Debevoise Events
  • Capital Management Issues in Captive Insurance and Reinsurance
    28 May 2015
    Federal Bar Association
    Federal Bar Association Insurance Tax Seminar
    Washington, DC
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Understanding the NAIC’s Corporate Governance Model Law and Regulation in 2015
    21 May 2015
    The Knowledge Group

    Marilyn A. Lion will be participating in The Knowledge Group/The Knowledge Congress Live Webcast Series program. The event will take place on May 21, 2015 from 3-5pm ET.

    Ms. Lion, a corporate partner and member of the Global Insurance practice will speak at the event, and participate in the webcast entitled,“Understanding the NAIC’s Corporate Governance Model Law and Regulation in 2015.”

    Webcast
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Cross-Border Insurance M&A: What’s Different?
    18 May 2015
    Association of Life Insurance Counsel
    ALIC Annual Meeting
    Palm Beach, Florida
    Speaker: Marilyn A. Lion
    Speaking Engagements
  • Key Trends in Insurance Industry Investing: What to Watch for in 2015
    12 March 2015 12:00 AM Dateline Standard Time
    Speaker: Alexander R. Cochran, Eric Dinallo, Thomas M. Kelly, Marilyn A. Lion, Nicholas F. Potter, Peter F.G. Schuur, James C. Scoville, Jim Pastore
    Debevoise Events

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