Veronica Callahan chairs the firm's Securities Enforcement & Litigation practice. She concentrates on complex financial and securities litigation, SEC and PCAOB enforcement actions, state attorneys general, state societies of CPAs, white collar matters, and complex internal investigations. Her clients include banking institutions, hedge and private equity funds, accounting firms, non-traditional lenders, public issuers, life sciences and technology companies and start-ups. Ms. Callahan has successfully defended securities class actions; fiduciary duty, suitability and common-law fraud claims; and accountant liability and minority shareholder disputes. She has also efficiently led major internal investigations and defended investigatory and enforcement actions involving financial reporting, disclosure, disclosure controls, quality controls, whistleblower, cybersecurity, insider trading, public corruption, and complex accounting and valuation 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 the Director of Enforcement at the SEC, Gurbir Grewal, Paul Munter, Chief Accountant of the SEC, Natasha Guinan, Chief Counsel, Office of the Chief Accountant, SEC, and Board Member George Botic, PCAOB, have been recent keynote speakers.