Ashley R. Altschuler - McDermott Will & Emery


Ashley R. Altschuler is the managing partner of the Firm’s Delaware office. With more than 20 years of experience in the Delaware Court of Chancery and the Delaware Supreme Court, as well as other trial and appellate courts in state and federal jurisdictions across the US, he focuses his practice on litigating corporate, securities and complex business matters. His practice includes defense of shareholder derivative actions, mergers and acquisitions litigation, federal and state securities class actions, commercial litigation, arbitrations and bankruptcy-related litigation. Ashley also represents clients in internal investigations and counsels boards of directors with respect to corporate governance, business judgment, executive compensation and regulatory issues. He has successfully litigated high-stakes cases relating to multibillion dollar buyouts, breach of fiduciary duty, investment stakes, tender offers and contests for corporate control, financial and accounting fraud, insider trading, contests for company books and records, stock option backdating, and many of the largest corporate bankruptcies in history.

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  • Represented an investment bank in defense of M&A fiduciary duty class action litigation brought in Delaware Court of Chancery by shareholder plaintiff against target company’s financial advisor*
  • Represented an investment bank in connection with multidistrict M&A fiduciary duty litigation in Delaware Court of Chancery and California federal and state courts*
  • Served as counsel for investment bank in connection with derivative litigation in Delaware Court of Chancery involving major US casino operator*

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  • The Legal Intelligencer, Professional Excellence Awards, Distinguished Leader, 2024
  • Chambers USA, 2022-2024
  • Council of Senior Centers and Services of New York City, Good Citizen Award, 2010
  • Lawyers Alliance for New York, Pro Bono Leadership Award, 2009; Cornerstone Award, 2004


  • Trinity College, Board of Fellows
  • University of Delaware Weinberg Center for Corporate Governance, Board of Advisors
  • Tower Hill School, president, alumni council


Georgetown University Law Center, JD, 1998
Trinity College, BA, with honors, 1994

New York

Courts / Agencies
US Court of Appeals for the Third Circuit
US District Court for the District of Delaware
US District Court for the Eastern District of Pennsylvania

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