DOJ announced two significant executive sentencings within a day of each other this week, and while the underlying conduct is different, a bank CEO’s fraud and sanctions evasion scheme versus an oil trader’s foreign bribery scheme, both cases carry the same underlying message for compliance officers: individual accountability for executive-level misconduct remains a live, active DOJ priority, and prison sentences in the range of four to nine-plus years are the real, current consequence for this kind of conduct.

Nodus Bank: A CEO Who Turned His Own Institution Into a Personal Piggy Bank

Tomás Niembro Concha, the 64-year-old former chief executive officer of Nodus International Bank, a Puerto Rico-based international bank, was sentenced to 112 months, more than nine years, in prison and three years of supervised release for leading a scheme that fraudulently obtained at least $24.9 million from his own bank while separately conspiring to evade U.S. sanctions on Venezuela. He was also ordered to forfeit more than $16.9 million.

The fraud scheme ran for years and followed a familiar structural pattern: concealment from the very oversight mechanisms that were supposed to catch it. From 2017 through 2023, Niembro and the bank’s board chairman, Juan Ramirez, caused Nodus Bank to invest $11 million in a Miami-based lender specifically so those funds could then be loaned back to Niembro and Ramirez for their own personal benefit, concealing the arrangement from other board members, bank executives, and Puerto Rico’s Office of the Commissioner of Financial Institutions, the bank’s actual regulator. Separately, between January 2018 and September 2021, the two men fraudulently induced Nodus Bank’s board and comptroller to purchase at least 47 promissory notes worth approximately $25.3 million from Nodus Finance, a Miami-based company Niembro and Ramirez jointly owned, again routing the proceeds back to themselves. When Puerto Rico’s regulator notified the bank in early March 2023 that it would be placed into liquidation, Niembro and Ramirez fraudulently caused Nodus Bank to accept a loan portfolio from Nodus Finance specifically to pay down the debt created by those 47 promissory notes, one more layer of self-dealing layered on top of a bank already headed toward failure. Nodus Bank ultimately collapsed in 2023.

The sanctions evasion piece of the case is, if anything, even more brazen. Between 2021 and 2023, Niembro conspired to conduct prohibited financial transactions with an individual OFAC had designated as a Specially Designated National for providing material support to Venezuela’s state oil company, PDVSA. The SDN’s company owed Nodus Bank roughly $2.5 million on an outstanding loan predating the sanctions designation. To resolve that debt, Niembro and the SDN engineered a scheme in which Nodus Bank foreclosed on the SDN’s home in Southampton, New York, for which they had legitimately obtained OFAC authorization, but then separately struck a private side agreement to sell the property back to the sanctioned individual for $4 million through a front company, a transaction that was flatly prohibited under U.S. sanctions and had no OFAC license covering it. In other words, Niembro used one properly licensed transaction as cover for a second, entirely unauthorized one designed to funnel value back to a sanctioned party.

Niembro pleaded guilty on March 19 to a two-count information charging conspiracy to commit wire fraud and conspiracy to violate the International Emergency Economic Powers Act. As Assistant Attorney General A. Tysen Duva put it, “when individuals who are supposed to serve as gatekeepers to our financial system choose to abuse that trust and instead use their access to facilitate crimes, the Criminal Division will hold them accountable.”

Vitol: A Former Trader’s Bribery Sentence Lands Well Below What Prosecutors Sought

Javier Aguilar, a 52-year-old Mexican national living in Houston and a former oil trader at Vitol Inc., the U.S. affiliate of one of the world’s largest energy trading companies, was sentenced in Brooklyn federal court to four years in prison, along with $7.13 million in forfeiture and a $100,000 fine, for his role in two separate foreign bribery schemes touching Ecuador and Mexico. Prosecutors had reportedly sought a twelve-year sentence, making the actual outcome a significant downward departure from what the government requested.

The trial evidence showed that between 2015 and 2020, Aguilar paid more than $1 million in bribes to officials at Ecuador’s state-owned oil company, Petroecuador, to secure and retain business for Vitol. The mechanics of the scheme were notably creative: because Petroecuador’s own rules barred direct contracts with private oil trading firms, Aguilar and his co-conspirators routed the arrangement through a Middle Eastern state-owned entity, Oman Trading International, as a front, using it to lock in a 30-month, $300 million fuel oil supply agreement that ultimately benefited Vitol. In exchange for the bribes, the Ecuadorian officials ensured the Middle Eastern entity, and by extension Vitol, secured the contract. To conceal the arrangement, Aguilar and his co-conspirators relied on fake contracts, sham invoices, and shell entities incorporated in Curaçao, Panama, and the Cayman Islands, along with alias email accounts to communicate with co-conspirators.

Aguilar ran a parallel scheme using the same shell-entity and sham-invoice infrastructure to bribe two officials at PEMEX Procurement International, a subsidiary of Mexico’s state oil company PEMEX, paying approximately $600,000 to secure contracts for Vitol to supply hundreds of millions of dollars of ethane gas to PEMEX. A jury convicted Aguilar of conspiracy to violate the FCPA and a substantive FCPA violation tied to the Ecuador scheme, along with conspiracy to commit money laundering covering both the Ecuador and Mexico conduct; he separately pleaded guilty to conspiracy to violate the FCPA and the Travel Act in connection with the Mexico scheme.

DOJ noted that Vitol obtained and retained more than $500 million worth of business with the Mexican and Ecuadorian state oil companies as a direct result of Aguilar’s bribes, and according to DOJ’s sentencing recommendation, the Ecuador scheme alone netted Vitol at least $19.6 million in benefit through the Petroecuador fuel oil contract. Seven of Aguilar’s co-conspirators, including three foreign government officials, have already pleaded guilty and collectively agreed to forfeit more than $63 million in scheme proceeds. This case also connects directly back to Vitol’s own corporate resolution: in December 2020, Vitol admitted to bribing officials in Ecuador, Mexico, and Brazil, entered into a deferred prosecution agreement with DOJ, and paid a combined $135 million in penalties across a coordinated resolution involving DOJ, the CFTC, and Brazilian authorities; DOJ noted in a court filing that Vitol had fulfilled the terms of that settlement as of June 2024. Aguilar’s individual prosecution and sentencing is the natural follow-on to that earlier corporate resolution, holding the individual trader accountable years after the company itself resolved its own liability.

DOJ had sought a twelve-year sentence for Aguilar, arguing the term was necessary to deter future corrupt schemes, and pointed out that by 2020, the year of his arrest, Aguilar’s own equity stake in Vitol had grown to more than $75 million, a figure prosecutors cited as evidence of just how lucrative the underlying bribery scheme had become for him personally. Aguilar’s defense team pushed back hard against any prison time at all, arguing in their sentencing memorandum that the payments were customary practice within the petroleum industry generally, and within Ecuador and Mexico specifically, and that the infrastructure Vitol used to facilitate these payments predated Aguilar’s own conduct. The court’s four-year sentence split the difference between DOJ’s twelve-year request and the defense’s no-prison request, though notably not close to either position. Aguilar’s lawyers also disclosed that he faces deportation as well as separate criminal proceedings in both Mexico and Ecuador, meaning his legal exposure from this conduct extends well beyond the U.S. sentence itself.

What These Two Cases Have in Common

Beyond the surface-level differences, fraud and sanctions evasion at a small international bank versus foreign bribery at a global commodities trading house, these cases share a common structural lesson worth internalizing. Both schemes relied heavily on the same toolkit: shell entities across multiple offshore jurisdictions, sham documentation designed to make illegitimate transactions look legitimate on paper, and a sustained, multi-year pattern of concealment from the very oversight functions, boards, regulators, internal controls, that existed specifically to catch this kind of conduct. Niembro concealed self-dealing from his own board and Puerto Rico’s banking regulator for six years. Aguilar concealed bribery through a five-year pattern of fake contracts and alias communications. In both cases, the schemes weren’t caught through routine internal controls functioning as designed; they came apart through external investigation, and only after the underlying institutions or business relationships had already absorbed substantial harm, in Nodus’s case, outright bank failure.

Compliance Lessons

These sentencings underscore a few points worth carrying into any compliance program handling executive-level oversight, third-party payment structures, or sanctioned-party dealings. Executive-level fraud and self-dealing schemes are rarely simple; they tend to compound over years through a series of individually plausible-looking transactions, investments, loans, promissory notes, each of which can pass a surface-level review while collectively representing a sustained pattern of concealment. Boards and regulators need transaction-level visibility that goes beyond periodic reporting, particularly for related-party and insider transactions involving senior executives, precisely because those are the transactions most likely to be structured specifically to survive routine review.

On the sanctions side, the Nodus case is a pointed reminder that a properly licensed transaction can be used as cover for a second, unlicensed one, and that OFAC authorization for one specific transaction does not extend by implication to a related side arrangement that was never actually presented to OFAC for review. Any transaction involving a sanctioned party that includes a private or off-the-books side agreement should be treated as an immediate compliance red flag, regardless of how legitimate the primary, licensed transaction appears.

And on the bribery side, the Vitol case reinforces a now well-documented pattern in FCPA enforcement: third-party intermediaries, especially state-owned or quasi-governmental entities used as fronts to route around a counterparty’s own contracting restrictions, remain one of the highest-risk structures in international commodities and energy trading. A counterparty’s own internal rule prohibiting direct contracts with private trading firms is not an obstacle to be creatively routed around; it’s frequently a compliance control that exists for exactly the reason bribery schemes like this one try to defeat it.

Finally, Aguilar’s sentencing defense is worth flagging on its own, because it’s an argument compliance officers hear informally more often than they’d like: that bribery payments were simply “customary” in a given industry or region, and that the payment infrastructure predated the individual defendant’s own involvement. Neither argument moved the court away from real prison time, and neither argument is a defense under the FCPA. An individual who inherits an existing corrupt infrastructure and continues operating it is not thereby insulated from personal liability, and “everyone in this market does it” has never been, and remains, no defense to a bribery charge. Compliance programs that hear this kind of rationalization internally, from sales teams, regional offices, or individual employees, should treat it as a red flag demanding immediate investigation, not as a benign explanation of local market conditions.