Hannah M. Thibideau concentrates her practice on regulatory investigations, white collar criminal defense and complex commercial and securities litigation. Her clients include privately and publicly held companies, their directors and officers and financial service industry institutions. She has extensive experience representing clients in matters before the SEC, DOJ, FINRA and prosecutors’ offices. Her expertise also includes all aspects of federal and state civil litigation.


“SPAC Litigation Alert: Kwame Amo v. MultiPlan,” SRZ Alert, March 29, 2021

“US Sanctions on Chinese Company Securities: Further Developments,” SRZ Alert, Jan. 19, 2021

“OFAC Provides Guidance on Trading Ban in Chinese Companies,” SRZ Alert, Dec. 31, 2020

“White House Bans Trading in 31 Chinese Companies,” SRZ Alert, Nov. 13, 2020

FinCEN and Banking Agencies Provide Clarification on PEP Screening Best Practices,” SRZ Alert, Oct. 5, 2020

“AML Update: FinCEN Issues First-Ever Enforcement Guidelines and Federal Banking Agencies Update Enforcement Guidance,” SRZ Alert, September 2, 2020; republished in The Banking Law Journal, February 2021

Sanctions Update: OFAC Regulations, Advisories and Enforcement Actions: November 2019 through July 2020,” SRZ AlertAugust 7, 2020; republished in The Hedge Fund Journal, September 2020

“Sanctions Update: US Sanctions Compliance During COVID-19,” SRZ Alert, April 24, 2020

“Economic Sanctions,” Successful Partnering Between Inside and Outside Counsel, April 2020 

“Mitigating OFAC Risks in Mergers and Acquisitions,” SRZ Alert, Feb. 3, 2020; republished in Thomson Reuters Westlaw Journal Bankruptcy, March 24, 2020

Sanctions Update: DOJ Revises Voluntary Self-Disclosure Policy for Export Control and Sanctions Violations,” SRZ Alert, Jan. 2, 2020

OFAC Expands Reporting Obligations and Highlights Importance of Cooperation,” SRZ Alert, Nov. 21, 2019; republished in The Hedge Fund Journal, February 2020 

“Sanctions Update: Iran, Venezuela, Ukraine, Nicaragua and Cuba,” SRZ Alert, Oct. 11, 2019 (co-author)

OFAC Update: A Framework for Compliance and Recent Settlements,” SRZ Alert, July 12, 2019 (co-author); republished in The Hedge Fund Journal, August 2019

Discovery Trends in Litigation Finance Arrangements,” Bloomberg Law, April 2018 (co-author); republished in Harvard Law School Forum on Corporate Governance and Financial Regulation, May 15, 2018

“Federal Appeals Court Rules CFPB Structure Unconstitutional,” SRZ Client Alert, Oct. 12, 2016 (co-author)