Robert Sidorsky has practiced for over thirty years in the area of complex financial litigation and has extensive experience in representing international clients in cross-border litigation and bankruptcy matters. His practice is concentrated in the areas of financial services litigation, accountants’ liability, securities litigation, director and officer liability, and bankruptcy-related claims.

Robert has represented investors, bankruptcy trustees, governmental agencies, and accounting firms in a number of high profile cases arising out of fraudulent financial reporting. He has also acted as litigation and conflicts counsel in significant bankruptcy matters. He has represented both domestic and international clients in a wide variety of commercial litigation, including claims of officer and director liability, securities fraud, fraudulent conveyance claims, lender liability, corporate governance and board election issues, breach of contract and interpretation of financial instruments, misappropriation of trade secrets, automotive supplier disputes, and construction litigation.  He also is frequently involved in litigation matters with respect to sovereign immunity issues and the cross-border enforcement of judgments and international arbitral awards.

Prior to becoming a member of Russo PLLC, Robert was a shareholder in the New York office of Butzel Long and a partner in Thacher Proffitt & Wood LLP.  Robert graduated from Columbia Law School, where he was Managing Editor of the Columbia Journal of Transnational Law, and he received his undergraduate degree (magna cum laude) from Harvard College, where he majored in Russian history.

Robert is a member of the New York State Bar and is admitted to practice before the United States District Courts for the Southern, Eastern, and Western Districts of New York, the Eastern District of Michigan, and the Second Circuit Court of Appeals.  He has been a member of the Board of Advisors of the Securities Reform Act Litigation Reporter and is a member of the American Bankruptcy Institute, the Association of the Bar of the City of New York, the New York State Bar Association and the International Bar Association.  Robert has been recognized as a New York Super Lawyer in the field of Securities Litigation (2013-2022).

Robert is a member of the Board of Directors of the Center for Italian Modern Art located in New York City.



  • J.D., Columbia Law School, 1982
  • B.A., Harvard College, 1979 magna cum laude

Bar and Court Admissions

  • New York
  • U.S. District Court, Southern District of New York
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Western District of New York
  • Eastern District of Michigan
  • Second Circuit Court of Appeals
  • Litigating Complex Environmental Cases: Strategic Considerations in Bankruptcy, The Bankruptcy Strategist, May 2013
  • Edge Act Enables National Banks to Invoke Federal Jurisdiction Over Suits Involving International Banking or Financial Operations, The Banking Law Journal, November/December 2007 (co-author)
  • Assessing the Risks of Accounting Fraud, Commercial Lending Review, November-December 2006
  • Standing to Sue Under Rule 10b-5: A Fresh Look at the New Investment Doctrine, Securities Law Regulation Journal, Summer 2001 (co-author)
  • The Independent Auditor’s Consideration of Fraud Following the Reform Act, New York Law Journal, (reprinted in Securities Reform Act Litigation Reporter), January 24, 1997
  • The Auditor’s Duty to Blow the Whistle Under the Litigation Reform Act, New York Law Journal (reprinted in Securities Reform Act Litigation Reporter), February 9, 1996.
  • Current Developments in U.S. Accountants’ Liability: The Madoff Ponzi Scheme and Feeder Fund Litigation Against the Auditors, Bird & Bird Accountants’ Liability Seminar, Stockholm, June 2015
  • Chair, Legal Risks for Accountants: Managing Exposure in a Challenging Market, Incisive Media Conference held in December 2008, at which he presented “Litigation Risks: Update on Legal Developments”
  • Let He Whose Executives Were Without Sin Cast the First Stone: Using Management Wrongdoing to Bar Suits by Corporate Plaintiffs and Debtors, panelist, New York State Bar Association 2009 Annual Meeting (Commercial and Federal Litigation Section), January 2009
  • Accounting Fraud Case Studies, AICPA/BAI Bank Financial Executives Conference, May 2006

Russo PLLC brings extensive experience, a tenacious approach, and strategic thinking to advance your goals.