Office of Special Counsel / Mueller Investigation
Senior DOJ Attorney Advisor managing privileged financial disclosure and compliance strategy during the 2017–18 Presidential transition; awarded Special Commendation.
Biography & Credentials
Tristan V. Bramble, Esq.
Legal Director · Based in London
US-qualified and UK Registered Foreign Lawyer with 15+ years of experience across the US federal government, global banking, Big 4 consulting and international law firms. Recognised for high-stakes investigations work at the US Department of Justice — including senior advisory roles during the Mueller Investigation — and for leading financial crime compliance transformations at HSBC during a post-Deferred Prosecution Agreement monitorship.
Most recently appointed as Legal Counsel, Investigations & Compliance at Rolls-Royce Plc (via Pinsent Masons Vario), and serving clients through Bramble & Associates and Tenet Law. A track record of operating at board and senior management level across regulated industries in the UK, US and internationally.
Expertise includes portfolio consulting, fractional GC services and legal network referrals; financial crime and fraud risk; corporate compliance; and sensitive inquiries under attorney-client privilege. B&A is also available to contribute to publications, podcasts and events.
01 / Career highlights
High-stakes matters, at the centre.
Post-DPA monitorship at HSBC
Drove transformation of the Group compliance programme (first and second lines of defence) across 66 countries following a landmark Deferred Prosecution Agreement.
Investigations leader
Led exposure investigations into financial crime and non-financial misconduct across the 2021 Pandora Papers and the 2022 Russian invasion of Ukraine.
International profile
Panellist at the Cambridge Economic Crime Symposium, Hamburg (NYSBA), Berlin (IDLF), Madrid (IBA) and Vienna (IDLF); published in the FT, The Banker and ACFE Fraud Magazine.
02 / Qualifications
Education & admissions.
- 2003 – 2006
Bachelor of Arts (Honours), English & Political Science — Andrews University
- 2007 – 2010
Juris Doctor — Temple University Beasley School of Law
- 2012 – 2013
Graduate Certificate, US Foreign Policy — George Washington University, Elliott School of International Affairs
- Admissions
US-qualified lawyer: New Jersey (2011); Washington, D.C. (2016); New York (pending / reciprocity)
- 2021
Registered Foreign Lawyer — UK Solicitors Regulation Authority (SRA)
03 / Publications & media
Selected writing and commentary.
- Tenet Law: Foreign Lawyers speak to Foreign Banks in the UK17 December 2025
- Tenet Law: At the Coalface — from Washington to Westminster22 May 2025
- ACFE Fraud Magazine: Failure to prevent fraud1 May 2024
- Ashurst Business Insight: US / UK whistleblowing incentives10 April 2024 · republished by Thomson Reuters Practical Law UK
- Ashurst Investigations Focus: Corporate crime and investigations — enforcement threats and emerging risks22 February 2024
- Ashurst: FCA review of sanctions systems and controls15 September 2023
- FT Adviser: Financial crime expansions not enough without strong guidance24 February 2023
- The Banker: Five key takeaways from the FCA's AML crackdown in 202327 January 2023
04 / Teaching & coaching
Podcast · Words with a Founder
Three seasons of conversations with founders, on Spotify. Have a listen and leave a rating.
Listen on Spotify05 / Leadership appointments
Co-Chair, UK Chapter, New York State Bar Association, International Section (NYSBA UK)
Steering Committee Officer, American-Qualified Lawyers in London (ALIL)
Past Officer, Criminal Law Committee, International Bar Association (IBA)
06 / Future Lawyers take 🎬
A 30-second take for the next generation.
Quick perspective on building a legal career across jurisdictions, practice areas and professional identities.
Prefer to speak directly?
Send a query and Tristan will read it personally. No obligation, and nothing is on the record.