The sharpest minds in fraud. On one stage.

Naftali Harris is co-founder and CEO of SentiLink, a provider of best-in-class identity verification and fraud mitigation solutions. SentiLink’s products verify customer identities and detect identity theft, synthetic fraud, and hard-to-detect forms of first party fraud. SentiLink serves over 400 institutions – including leading banks, fintechs, telcos, and many others – and verifies over 3 million identities each day.

Prior to SentiLink, Naftali was the first data scientist at the online lender Affirm and built and led their Risk Decisioning team. He holds a BA in Statistics from the University of Chicago, and subsequently earned an MA in Statistics from Stanford, where he was a Stanford Graduate Fellow. He lives with his family in Austin, TX.

Dr. David Maimon is the fraud world’s go-to investigator and storyteller. As Head of Fraud Insights at SentiLink and director of Georgia State University’s Evidence-Based Cybersecurity Group, he pairs dark-web intelligence with analytical techniques to expose how criminals build synthetic identities, hijack accounts, and monetize stolen credentials.

Banks, telcos, prop-tech platforms, energy providers, and government agencies rely on his research and plain-spoken guidance to spot emerging scams early, tighten identity verification, and slash fraud losses—often before the schemes even hit the headlines.

Jessica Teji is the Head of Partner Success at SentiLink, bringing 17 years of go-to-market (GTM) leadership experience across established enterprises and high-growth companies. In her role, she leads a team dedicated to helping financial institutions and fintechs verify millions of customer identities daily while preventing fraud at onboarding.

With a diverse background spanning relationship management, customer success, and strategic partnerships, Jessica has worked across industries, including financial services, payments, fintech, and retail/e-commerce, supporting businesses from SMBs to Fortune 500 enterprises.

Jessica's approach to solving complex fraud challenges is rooted in empathy, curiosity, and collaboration. She focuses on building a team that asks the right questions, fosters trust, and strengthens partnerships—enabling financial institutions to see SentiLink as an extension of their own fraud prevention efforts.

Under Jessica’s leadership, SentiLink partners with 10 of the top 15 U.S. financial institutions, as well as fintechs, credit unions, telcos, and more. The company takes a partner-centric approach, working closely with clients to balance fraud prevention with seamless onboarding, ensuring best practices tailored to each institution's needs.

Jason Kratovil is Head of Public Policy and External Affairs at SentiLink, the leader in identity verification technology. In this capacity, he leads all aspects of the company’s engagement with federal policymakers, advises on several aspects of the company's go-to-market strategy, and serves as program manager for solutions partnering with government agencies.

He is a recognized expert in identity fraud, payments, data securit,y and consumer privacy, having testified before the US Congress. Jason also serves as Chair of the Fairfax County (VA) Consumer Protection Commission and on the Board of Directors of the Identity Theft Resource Center.

Previously, Jason was a principal at the Washington, DC law firm of Sivon, Natter & Wechsler, P.C. While at the firm, he founded the Consumer First Coalition, where he led efforts on behalf of the financial industry to build a real-time Social Security number verification service with the US Social Security Administration. Prior to that, he established and led the payments, technology, and cybersecurity practice at the Financial Services Roundtable. He has also worked on payments, innovatio,n and retail banking policy at the American Bankers Association and the Independent Community Bankers of America.

Jason served for six years as Legislative Director for U.S. Rep. Steven C. LaTourette (OH-14), where he focused on consumer protection and data security issues with the US House Financial Services Committee. Kratovil began his professional career in marketing communications at Dell, where he helped manage the company’s relationships with key enterprise software partners. Jason received a Master of Public Policy degree from George Mason University and two B.A. degrees from Miami University (OH). He also holds a Certified Information Privacy Professional (CIPP/US) certification.

Karl Lubenow is a seasoned Fraud Intelligence Analyst with over a decade of experience in financial services, e-commerce, and identity fraud prevention. As the first fraud operations hire at SentiLink, Karl specializes in detecting fraudulent applications, with a strong focus on identity theft. He brings deep expertise in identity fraud, synthetic fraud, SMB fraud, first party fraud, fraud claims, chargebacks, and risk mitigation strategies.

Prior to joining SentiLink, Karl also served as the first Fraud Fighter at Affirm, where he played a key role in identifying suspicious trends, influencing risk model development, and resolving high-impact risk events. His earlier experience at Cleverbridge further honed his real-time fraud screening and global payment risk analysis skills, while his background in customer support laid the foundation for his commitment to service and operational excellence.

Karl holds a Bachelor's degree from the University of Illinois at Chicago and is based in Reno. Passionate about building systems that stop fraud before it starts, Karl is a collaborative and analytical force in the fight against financial crime.