Tanvir is an experienced lawyer and international advocate. He is also a full Counsel at the International Criminal Court in the Hague, Netherlands, and an Advocate of the Appellate Division of the Supreme Court of Bangladesh.

He is experienced in Criminal Law and litigations, International Criminal Law, International Humanitarian and Human Rights Law, International Commercial Arbitration, Immigration Law, Family Law, Employment Law, and Judicial Review.

Tanvir has represented a diverse clientele before various courts, tribunals, and arbitral bodies, including individuals, corporations, national and international organisations, and public bodies, both in Bangladesh and in international jurisdictions.

Education and Qualifications:
LLB (Hons): University of London
PGDip: City St George’s, University of London
LLM: Nottingham Trent University
Barrister (Lincoln’s Inn): 2009
Counsel, International Criminal Court: 2021
Advocate, Lower Courts of Bangladesh: 2010
Advocate, Supreme Court of Bangladesh (High Court Division): 2013
Advocate, Supreme Court of Bangladesh (Appellate Division): 2023
Full Member, International Criminal Court Bar Association: 2025
Full Member, Bangladesh Supreme Court Bar Association: 2014