Veronica Callahan co-chairs the firm's Securities Enforcement and Litigation Practice Group. She concentrates her practice on complex financial and securities litigation, SEC and PCAOB enforcement actions and white collar matters. Her clients include hedge and private equity funds, accounting firms, banking institutions, non-traditional lenders, public and start-up companies. Ms. Callahan has successfully defended securities class actions; fiduciary duty, suitability and common-law fraud claims; accountant liability and minority shareholder disputes. She has also efficiently led major internal investigations and defended enforcement actions involving complex valuation, financial reporting, disclosure, whistleblower, and insider trading issues. Ms. Callahan also has successfully arbitrated and mediated matters and negotiated highly complex settlements. She regularly writes and lectures on pertinent issues and  co-chairs the annual ALI Accountant’s Liability conference at which, for instance, she moderated a panel with Jay Clayton, the Chairman of the SEC and the Chief Accountant of the SEC.


Chambers USA
Litigation: Securities, Regulation & Enforcement (New York) (2015-2020)
The Legal 500 US
Securities Litigation: Defense (2014-2019)


  • JD, University of California, Hastings College of the Law, 1995
  • BA, State University of New York at Albany, 1992
  • New York
  • Member, New York City Bar

  • Member, American Bar Association, Section of Business Law

  • Member, American Bar Association, ABA Women Rainmakers

  • Member, SIFMA Compliance & Legal Society


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