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The J5 and Cryptocurrency: A Partnership with Real Results


The Joint Chiefs of Global Tax Enforcement (known as the J5) are committed to combatting transnational tax crime through enforcement collaboration. They work together to gather information, share intelligence, conduct operations, and build the capacity of tax crime enforcement officials. Just two years after the formation of the group, the J5 is already seeing operational successes.

In this session, James Lee, Chief of IRS-CI in the U.S., and Bert Langerak, FIOD’s managing director in the Netherlands, sit down with Chainalysis Global Head of Policy Jesse Spiro to discuss the benefits of the J5 collaboration and their operational successes to date. They’ll dive into how the partnership really works, including information sharing, the development of new tools, case studies, and what’s next for the J5. Following a conversation with the Chiefs, James and Bert will lead a panel discussion with some of the investigators and leaders in the crypto area for both countries.

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Hear from the Experts

  • Jesse Spiro

    Global Head of Policy, 
    Chainalysis

  • Bert Langerak

    Director,
    FIOD

  • James Lee

    Chief,
    IRS Criminal Investigation

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    Designation

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About the Speakers

  • Jonathan Levin

    Jonathan Levin is Co-founder and Chief Strategy Officer of Chainalysis, the blockchain analysis company. In his role as CSO, he is responsible for designing long-term strategic initiatives that help government agencies, cryptocurrency businesses, and financial institutions investigate illicit activity, comply with regulations, and mitigate risk through anti-money laundering technology and education. Jonathan is regularly called upon to testify for the U.S. Congress and other government hearings on the emerging risks and opportunities in cryptocurrencies. He is also a mentor for the Techstars Alchemist Blockchain accelerator.

    Prior to Chainalysis, he was the CEO of Coinometrics, which provided the first dashboard of blockchain intelligence. He was also a postgraduate economist at the University of Oxford, where he researched cryptocurrencies.

    Jonathan holds a BSC in Economics from Bristol University and Master of Philosophy in Economics from the University of Oxford. He lives in New York.

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About the Speakers

Jesse Spiro
Jesse Spiro is the Global Head of Policy for Chainalysis. Previously, he was the Head of Threat Finance and Emerging Risks for Thomson Reuters/Refinitiv, where he oversaw global engagement and research on threat finance, including terrorism, proliferation, cyber crime, organized crime, smuggling, trafficking. He is a 2018 National Security Fellow at the Foundation for Defense of Democracies, a member of the Intelligence and National Security Alliance (INSA) Financial Threats Council, and on the U.S. Chamber of Commerce Human Trafficking Task Force. He is a graduate of the University of Maryland, College Park.


Bert Langerak
Bert H.J. Langerak MBA RA is director of the FIOD since 2011. From 2011 till August 2020 he was Chief criminal investigation of the FIOD, the Dutch criminal investigation service of the Ministry of Finance. The FIOD is the criminal investigation service in the field off tax and financial-economic crime, corruption and anti-money laundering. From August 2020 till now, Langerak is managing director. Bert Langerak: “The keywords in the FIOD approach to fighting financial crime are effect and cooperation. Together with our (inter-)national partners, we can fight crime effectively. A more integrated approach with public and private partners. Better cooperation with supervision, investigation, prosecution, and also citizens & businesses. To improve the impact of our criminal investigations on society”.



James Lee
James (Jim) Lee serves as the Chief, Criminal Investigation. In this position, he oversees a worldwide staff of approximately 3,000 employees, including 2,000 special agents in 21 Field Offices and 11 foreign countries. He leads and oversees some of the most significant investigations of financial crimes involving tax, money laundering, public corruption, cyber, ID theft, narcotics and terrorist-financing. Prior to this assignment, Jim’s executive positions included serving as the Director of Field Operations-North, Director of Field Operations-South, Director of Strategy and Executive Special Agent in Charge of the Chicago Field Office. Jim has a Bachelor degree from Tiffin University.

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  • About Jonathan Levin

    Jonathan Levin is Co-founder and Chief Strategy Officer of Chainalysis, the blockchain analysis company. In his role as CSO, he is responsible for designing long-term strategic initiatives that help government agencies, cryptocurrency businesses, and financial institutions investigate illicit activity, comply with regulations, and mitigate risk through anti-money laundering technology and education. Jonathan is regularly called upon to testify for the U.S. Congress and other government hearings on the emerging risks and opportunities in cryptocurrencies. He is also a mentor for the Techstars Alchemist Blockchain accelerator.

    Prior to Chainalysis, he was the CEO of Coinometrics, which provided the first dashboard of blockchain intelligence. He was also a postgraduate economist at the University of Oxford, where he researched cryptocurrencies.

    Jonathan holds a BSC in Economics from Bristol University and Master of Philosophy in Economics from the University of Oxford. He lives in New York.

  • About Hannah Burke

    Hannah joined ShapeShift, a non-custodial cryptocurrency trading platform, in November 2019 as Director of Compliance. She is responsible for overseeing day-to-day AML and sanctions compliance functions. Before joining ShapeShift, Hannah held related roles at Goldman Sachs, IBM, and MG Stover & Co., a crypto-focused fund administration firm. Hannah received her BS in Finance and Risk Management from the University of Wisconsin-Madison and is a Certified Anti-Money Laundering Specialist as well as a Certified Fraud Examiner.

  • About Noah Perlman

    Noah Perlman joined Gemini as its Chief Compliance Officer in October 2019. Prior to joining Gemini, he was a Managing Director at Morgan Stanley where he ran its Global Financial Crimes program. Mr. Perlman joined Morgan Stanley in 2006 after two years serving as the Division Counsel for the United States Drug Enforcement Administration’s New York Division. Prior to Mr. Perlman’s affiliation with DEA he served for five years as an Assistant United States Attorney for the Eastern District of New York where he held several supervisory posts including Special Coordinator for Crimes against Children and Deputy Chief of the Narcotics Section. Mr. Perlman clerked for the Honorable I. Leo Glasser of the U.S. District Court for the Eastern District of New York, received his undergraduate degree from Harvard University and his law degree from Columbia University Law School.