Tristan Bramble

He is known for his measured and strategic approach to timely case management, with a deep understanding of both regulators and commercial business from time spent with the US Department of Justice and global bank HSBC. Tristan helps a range of clients from FTSE 100 companies to start-ups move forward before and after an investigation, with recommendations on how to grow safely and to protect their reputation.

As a Tenet consultant, Tristan is based in London and further leads open forum sessions for foreign banks in the UK. He is a US-qualified lawyer with 15 years of experience in the US and the UK.

Tristan has extensive experience across financial crime advisory and investigations, and in coordination with Tenet’s boutique litigation practice, he engages clients and stakeholders in diverse sectors including financial services, technology, and aerospace. Tristan’s strong track record includes helping clients identify and investigate commercial fraud, financial crime, and reputational risks. He has the relevant experience to advise clients navigating the international enforcement landscape, particularly from a US and UK perspective.

In summary, Tristan specialises in internal investigations and related international enforcement and reputational risk across the banking, corporate, and public sectors.

For 3 years, from 2018 to 2020, Tristan supported the post-Deferred Prosecution agreement (DPA) and monitor transformation of HSBC’s internal compliance programme, 1st and 2nd lines of defence. He has led internal exposure reviews and investigations for clients, in relation to financial crime and non-financial misconduct, including amidst the 2021 Pandora Papers and the 2022 Russian invasion into Ukraine.

Tristan has nearly 8 years of US federal government experience and served as Attorney Advisor at the US Department of Justice from 2015 – 2018. His DOJ experience included senior risk advisory work during the Presidential transition of 2017-18, advising investigative attorneys of the Office of Special Counsel, Mueller Investigation team. Alongside colleagues, he was awarded a Special Commendation award in assisting an orderly transition in November 2017.

• Bachelor of Arts (Honours) – English & Political Science, Andrews University (2003-2006)
• Juris Doctor – Temple University Beasley School of Law (2007-2010); US-qualified lawyer / New Jersey & Washington, D.C. (2011-Present); Registered Foreign Lawyer (2021-present)
• Graduate Certificate – US Foreign Policy, George Washington University, Elliott School of International Affairs (2012 – 2013)
• Proficient in Spanish
• The Banker: Five key takeaways from the FCA’s AML crackdown in 2023
• FT Adviser: Financial Crime Expansions not enough without strong guidance
• Ashurst: Legal Development FCA Review of Sanctions Systems and Controls
• Ashurst Investigations Focus Series: Corporate Crime and Investigations: The greatest enforcement threats of 2023 and the emerging risks of 2024
• Ashurst Business Insight: US / UK Whistleblowing incentives ACFE Fraud Magazine: Failure to Prevent Fraud
• Twice moderator: American-Qualified Lawyers in London – A Fireside Chat with Vanessa Sisti / DOJ Secondee to the UK SFO & FCA (6 Feb 2024 / 24 April 2023)
• Speaker / Panellist: IBA Transnational Crime Conference, Madrid (November 2021)
• Special Commendation Award, US Department of Justice, Justice Management Division, November 2017
• At the Coalface: From Washington to Westminster: Lessons in financial crime investigations, compliance risk and controls: Episode 8
• Words with a Founder: Interview with Tenet founder Arun Chauhan
• UK Co-Chair, International Section, New York State Bar Association (2025)
• Steering Committee Officer / Member, American-Qualified Lawyers in London (2018 – Present)
• Officer, International Bar Association, Criminal Law Committee (2021 – 2024)
• Tenet Fraud Hub: Let’s talk Investigations – Foreign Lawyers speak to Foreign Banks in the UK
• UK Co-Chair, International Section, New York State Bar Association (2025-Present).