All Professionals

Nattavoot Supamatheesiri

Associate Director

Nattavoot Supamatheesiri is an associate director based in Bangkok and a member of BRG’s Disputes and Investigations practice. He is a Certified Fraud Examiner.

Mr. Supamatheesiri has over ten years of experience in forensic services, including forensic investigations, forensic accounting, fraud risk management, anti-corruption, data and analytics, dispute advisory, anti-money laundering and compliance-related matters. His experience also covers corporate risk management, internal audit and process-controls improvement services. Mr. Supamatheesiri regularly delivers and facilitates lectures and workshops on forensic topics including fraud risk awareness, forensic data analytics, anti-corruption programs and risk assessment.

Before joining BRG, Mr. Supamatheesiri provided forensic investigations and risk consulting services for several professional services firms. He also worked in-house with a leading Thai conglomerate in its corporate risk office, focusing on forensic practice and risk management. His clientele covers sectors including industrial, commerce, information and communication technology, financial institutions, construction and healthcare services.

Employment History

Berkeley Research Group
Associate Director, Feb 2024 – present

Senior Manager, Oct 2022 – Jan 2024

Charoen Pokphand Group
General Manager, Jun 2020 – Sep 2022

Manager, Nov 2011 – May 2020


Certified Fraud Examiner (CFE), 2017

Areas of Expertise


Karlstad University
MSc, Business and Economics, 2016

Assumption University
Bachelor of Business Economics, 2010