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Justina highlights the importance of collaboration between FIUs, law enforcement, and the private sector. She explains: “Transparency is necessary between financial institutions and their FIUs and regulatory bodies, where they can share experiences without fear of any retribution. Then that should go to the international level, to learn from each other and what can be done.”

Him, former acting director of U.S. FIU FinCEN, points to the US AML Act of 2020, which was designed to “enhance the effectiveness of the AML/CFT framework.” He notes: “It does a good job of identifying key issues that need to be addressed, and it is important for FinCEN, supervisors, and law enforcement to implement key elements of the AML Act.”

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This honor highlights K2 Integrity’s dedication to providing clients with trusted expertise and actionable insights, even in the most demanding investigative contexts. K2 Integrity’s Investigations and Disputes practice provides clients, their counsel, and other advisors and stakeholders with the relevant and timely information required to make fully informed business and legal decisions necessary to prevail in a complex, international operating environment.

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Co-Founder Jules B. Kroll named Chairman of the Board; Co-Founder and Founding CEO Jeremy M. Kroll appointed Vice Chairman of the Board

Leadership transition at premier risk advisory and services firm reflects accelerating firm growth and shifts in technology, payments, security, and regulation

NEW YORK – 8 October 2025 – K2 Integrity, a global leader in risk management investigations and assurance services, today announced that Aaron Karczmer has been named Chief Executive Officer of the firm, effective immediately.

K2 Integrity’s founding CEO, Jeremy M. Kroll, has been named Vice Chairman of the firm’s Board of Directors and will continue in a full-time management role focusing on supporting K2 Integrity’s continued growth, client service, and strategic investments. He will also continue to serve as a member of the Executive Committee. Jules B. Kroll, Co-Founder, will transition from management to non-executive Chairman of the Board.

As a senior executive with deep expertise in the areas of enterprise transformation, global operations, and risk including financial crime, cyber, and regulatory, Aaron is uniquely positioned to lead K2 Integrity. He has more than 20 years of experience building, transforming, and leading teams with an ongoing focus on growth and the customer while leveraging multi-sector partnerships, data, and operational rigor.

Most recently, Aaron served as Executive Vice President and Chief Enterprise Services Officer at PayPal, reporting to the then CEO and President Dan Schulman. In this capacity, Aaron had global responsibility for risk and compliance policy and operations, customer service, and regulatory and government relations with over 10,000 employees. Aaron also oversaw relevant product teams, including identity, customer service, risk, and compliance.

Prior to joining PayPal in 2016, Aaron spent nearly a decade at American Express serving in a variety of leadership roles and led the design and implementation of corporate-wide policy and compliance and financial crime risk methodology frameworks, new technologies, and organizational structures. He honed his leadership and investigative skills early on at the New York County District Attorney’s office, where he held a number of roles including co-founding and leading a unit dedicated to combating identity theft and cyber-crime. He is a graduate of Stanford Law School.

His appointment reflects K2 Integrity’s accelerating growth and expansion of service offerings needed to address global client demands during a period of transition and increased complexity for commercial and governmental entities. He will be based in New York City at K2 Integrity’s global headquarters.

“Under Jeremy’s leadership, our firm has cemented itself as the premier resource for companies, public institutions, and governments seeking to anticipate, understand and address their most critical security challenges. We believe that Aaron is the perfect choice to lead our efforts to broaden and strengthen our capabilities to help our clients navigate rapid political, economic and technological changes,” said Jules B. Kroll, Co-Founder and Executive Chair of K2 Integrity.

“What makes K2 truly exceptional is its people. Since K2 Integrity’s founding, Jules and Jeremy have guided with vision and purpose, building a firm that has set the standard in risk, regulatory, and investigative services. I look forward to meeting everyone and championing and supporting our teams as they continue to serve our clients and fuel the future of the company. I could not be more honored and excited to join at this pivotal moment in K2’s journey,” said Aaron.

“Aaron is a people-focused and purpose-driven leader who has leveraged technology and data as well as cross-sector collaboration throughout his career. I know Aaron is most proud of enabling the members of every team he has led to grow and become the best version of themselves,” added Jeremy M. Kroll. “I also want to thank our clients for their ongoing partnership, and I look forward to working with our team to deepen these relationships on existing and future assignments.”

About K2 Integrity

Financial and commercial integrity forms a cornerstone of K2 Integrity’s efforts to work with its financial institution and government clients. We believe that a robust commitment to integrity advances important interests, including collective and national security objectives, sustainable growth, and full integration of our partners into the international financial system and the global economy.

At K2 Integrity, we are more than risk managers and compliance experts—we are architects of integrity. We understand that critical moments define an organization’s success. These moments offer an opportunity to achieve higher standards, build smarter systems, enhance financial and structural integrity, and meet public policy challenges with private sector solutions.
Governments, companies, and individuals turn to us when they need a reliable partner to address critical and high-stakes issues, drive efficiency, deliver growth, and enhance competitiveness.

Our team—industry experts, former regulators, and economic security officials—combines deep subject-matter expertise with advanced technology to solve today’s most pressing issues. From financial crime and investment security to construction risk management to white-collar investigations and cyber resilience, we deliver intelligence-driven solutions that foster trust, transparency, and economic security in an increasingly complex world.

We believe every engagement has the potential to create a better, more resilient future for our clients. To learn more about K2 Integrity, visit www.k2integrity.com or follow us on LinkedIn and X.

Media Contacts:

Shaina Lamb/Ryan Dicovitsky

Dukas Linden Public Relations

K2Integrity@DLPR.com

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Jason also emphasizes the importance of organizations instituting robust cyber resilience strategies, applying the same diligence to AI systems as they would to other critical infrastructure. This includes ensuring the ability to pause AI systems temporarily without disrupting business operations. “From a resilience standpoint, that includes readiness to take an AI system down temporarily without bringing the business to a halt,” he notes.

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