Guilherme
Montassier
Manager
Guilherme Montassier has supported forensic accounting matters and investigations across the US, Brazil, and the Middle East. He has led complex analyses in fraud, tax evasion, and gain calculation matters involving the US DOJ, OFAC, the Brazilian CGU, and other global regulators. A Certified Accountant in Brazil, Gui also assists with discovery and vendor transaction testing to extract information for investigations and risk assessment due diligence.
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- Seatrium: Supported the USD 190m settlement between the Singapore-based offshore energy company and the Brazilian authorities (AGU, CGU & MPF), and the DPA and related penalty negotiations with Singapore’s Corrupt Practices Investigation Bureau (CPIB).
- Balfour Beatty: Supporting Founding Partner and DOJ appointed monitor Frances McLeod in an ongoing monitorship, which includes evaluating the implementation and enforcement of the company's corporate compliance program and adherence to anti-fraud laws.
- Energy Company: Assisted company counsel in a highly sensitive assessment of the client's compliance controls and processes regarding an ongoing investigation, which included analyzing accounting data and documentation to quantify the relevant activity and identify additional red flags.
- Healthcare Services Company: Assisted with a disgorgement calculation in relation to a settlement with Brazilian authorities.
- Multinational Engineering Company: Conducted a multi-faceted risk assessment of the acquired company’s projects, joint ventures, and countries of operation to target the areas posing the greatest bribery and corruption risk, the results of which, together with the due diligence plan, were presented to the US DOJ and World Bank.
- Oil Company: Supported an anti-bribery and corruption audit and compliance review of the company's entities in Equatorial Guinea, followed by related follow-up and remediation from internal investigations.
Biography
Guilherme Montassier has supported forensic accounting matters and investigations across the US, Brazil, and the Middle East. He has led complex analyses in fraud, tax evasion, and gain calculation matters involving the US DOJ, OFAC, the Brazilian CGU, and other global regulators. A Certified Accountant in Brazil, Gui also assists with discovery and vendor transaction testing to extract information for investigations and risk assessment due diligence.
Awards & Recognition
