Nowell D. Bamberger’s practice focuses on cross-border complex dispute resolution, including litigation, complex investigations, and international arbitration.

His practice focuses on representation of multinational firms and individuals in criminal and regulatory investigations in the United States and the Asia/Pacific region, and related government and private civil litigation. His recent experience includes acting for major financial institutions, investment professionals, and issuers in internal investigations, criminal corruption and market manipulation investigations, and related class action litigation.

Nowell joined the firm in 2008 and became a partner in 2017. He has spent extended periods working from the firm’s offices in Hong Kong and London, and holds dual U.S. and Italian citizenship.

Notable Experience

  • HSBC in putative class actions alleging the manipulation of the market for U.S. Treasury securities and interest rate benchmarks in Singapore and Australia.

  • HSBC in parallel investigations conducted by authorities in the U.S., UK, and various Asian jurisdictions concerning both LIBOR and other benchmark rates, as well as the global foreign exchange markets.

  • Representation of a major financial institution in a complex confidential investigation in Malaysia.

  • The Bank of New York Mellon in class action civil litigation and enforcement actions brought by the New York Attorney General and U.S. Department of Labor related to investments with the Ponzi scheme operated by Bernard L. Madoff Investment Securities LLC.

  • A major issuer in a complex multijurisdictional internal investigation concerning potential accounting irregularities.

  • A foreign affiliate of a major Japanese bank in connection with a public corruption investigation in New York.

  • BHP Billiton and Vale in an investigation into of the collapse of the Fundão tailings dam in the Minas Gerais region of Brazil, reportedly the largest environmental disaster in the history of Brazil.

  • A foreign investment company subject to bankruptcy claims pursuant to the Securities Investor Protection Act related to its investment with Bernard L. Madoff Investment Securities LLC.

  • Foreign financial institutions in U.S. bankruptcy litigation related to the BVI liquidation of the Fairfield Sentry fund.

  • The Russian Federation in what is reported to be the largest-ever international arbitration by amount of damages sought in three parallel UNCITRAL arbitrations in The Hague involving expropriation claims under the Energy Charter Treaty brought by former majority shareholders of Yukos Oil Company.

  • Banc of America Securities in litigation relating to residential mortgage-backed securities.

  • Various investigation matters that, due to their nature, remain confidential.

See More

Selected Activities

Comments and Articles Editor, Pacific Rim Law & Policy Journal, University of Washington School of Law


California District Court Holds That FIRREA’s 10-Year Statute of Limitations Reaches Risks Caused to Financial Institutions by Their Own Employees,” co-author, Cleary Enforcement Watch blog post, July 27, 2018; republished by The CLS Blue Sky Blog, July 31, 2018.

Second Circuit Holds That U.S. Law Firm Need Not Produce Foreign Client’s Documents Pursuant to 28 U.S.C. § 1782,” co-author, Cleary Gottlieb Alert Memorandum, July 17, 2018.

CLOUD Act Establishes Framework To Access Overseas Stored Electronic Communications,” co-author, Cleary Gottlieb Alert Memorandum, April 4, 2018. 

Supreme Court Clarifies the Scope of Dodd-Frank’s Whistleblower Protections,” co-author, Cleary Gottlieb Alert Memorandum, February 23, 2018.

Cross-Border Investigations: A Look Back on 2017, and Ahead to 2018,” co-author, Cleary Gottlieb Alert Memorandum, February 15, 2018.

‘Oral Downloads’ of Counsel Interviews Waived Attorney Work Product Protection from Disclosure,” co-author, Cleary Gottlieb Alert Memorandum, December 22, 2017.

Hong Kong SFC and HKMA Issue New Guidelines for Reducing and Mitigating Hacking Risks Associated with Internet Trading,” co-author, Cleary Gottlieb Alert Memorandum, November 11, 2017.

CFTC Announces New Enforcement Strategy Focused on Self Reporting,” co-author, Cleary Gottlieb Alert Memorandum, September 26, 2017.

“CFTC’s Demanding New Cooperation Guidelines for Companies and Individuals,” Journal of Investment Compliance, August 2017.

Cleary Gottlieb Analyzes Second Circuit Reversal of Rabobank Libor Convictions,” The CLS Blue Sky Blog, July 28, 2017.

CFTC Approves Amendments to Whistleblower Rules Including Significant Enhancements of its Anti-Retaliation Protections,” co-author, Cleary Gottlieb Alert Memorandum, May 25, 2017.

“Seventh Circuit Creates Novel Rule That Parties May Waive Objection To Appointment Of Substitute Arbitrators Unless They Immediately Apply To A Court For Appointment,” MEALEY’S International Arbitration Report, February 23, 2010.

“Are Military Testamentary Instruments Unconstitutional?  Why Compliance With State Testamentary Formality Requirements Remains Essential,” 196 Mil. L. Rev. 91, 2008.


  • Innoxcell Asia Pacific Summit 2018, September 2018
  • In-House Congress Shenzhen, July 2018
  • Risk Management Issues for Chinese Enterprises Investing Abroad, Beijing, PRC, November 2017
  • Trump: Year One, The Administration’s Enforcement Priorities and Their Impact on Companies in Asia, Hong Kong, November 2017
  • Global Crisis Management: Legal Privilege in the Cross-Border Context, The Conference Board Governance Watch, New York, USA, July 2017
  • Navigating Cross Border Government Investigations and Prosecutions, ABA Global White Collar Crime Institute, São Paulo, Brazil, June 2017
  • Cross-Border Investigations: Navigating an Increasingly Challenging Landscape, Zurich, Switzerland, June 2017
  • The Basics of International Arbitration of Investment Disputes, Legal Capacity Building Program, sponsored by the Institute of Legal Practice and Development, Kigali, Rwanda, May 2013