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Head of Fraud Strategy
As Head of Fraud Strategy at Sardine, Chen Zamir brings over 16 years of hands-on experience in fraud, risk, and fintech; translating deep practitioner insight into clear, differentiated narratives for fraud leaders across fintech and eCommerce. A former founder and long-time operator, he has spent his career building and scaling AI-powered risk systems, guiding organizations through complex product, data, and engineering challenges, and aligning cross-functional teams around strategies that actually work in the real world. At Sardine, he helps shape the fraud prevention story, guides product direction to ensure it reflects true market needs, and represents the company’s expertise through thought leadership, industry events, and strategic partnerships.
Before joining Sardine, Chen founded Native[risk], where he advised leading fintechs and fraud prevention companies on strategy, AI-driven risk systems, and organizational scaling. He also writes The Saturday Fraud Strategist, a widely read weekly newsletter that distills complex fraud, fintech, and risk topics into clear, actionable insights for practitioners. Previously, as Co-Founder and CTO of Fraugster, Chen led engineering, data, and product teams while steering the company through major product launches, fundraising, and commercial growth.
Articles by Chen Zamir
Why your fraud AI works better when it lives inside your fraud platform
Five things we learned building fraud AI that will save your team months
The future of Agentic Fraud Ops: How to monitor fraud AI agents before they drift
Agentic AI’s ROI and what it actually does for your fraud team
The future of Agentic Fraud Ops: Most fraud teams are about to cut the wrong function
The future of Agentic Fraud Ops: Handing over your operations to AI agents
Systemic promo abuse: A strategic shift to intelligent infrastructure
The future of Agentic Fraud Ops: Your fraud team is running at the wrong speed
The front-door philosophy: Shifting e-commerce fraud prevention to pre-authorization
Why card testing is now a board-level problem
Anthropic released a KYC agent: Here’s what it actually is, and who should use it
The Future Fraud Stack: Why AI Won't Replace Rules or ML
Agentic AI fraud investigation: A step-by-step guide
Reducing false positives at the system-level
What the MRC’s 2026 report is actually saying about Agentic AI
Fixing fraud controls: How to reduce false positives inside your system
Fraud rules vs. workflows: Why rules alone have a ceiling
The anatomy of false positives: Turning data into intelligence
Write a high-performing fraud rule with me: A real-world example
How to measure false positives in fraud systems that hide them
How to build a fraud incident response fire drill playbook that actually works
5 AI use cases your fraud team should be using right now
How to release fraud rules safely
The Saturday Fraud Strategist episodes
False Positives Masterclass, part 4: Building a safety net over your fraud stack
How to Pick the Right Fraud Vendor For You, with Holly Sandberg
False Positives Masterclass Part 3: How to reduce FPs inside your system
What AdTech Taught Me About Financial Fraud, with Gilit Saporta
False Positives Masterclass, part 2: How to identify where FPs originate from
Why PSPs Are Getting Fraud Services Wrong
Should Fraud and Cybersecurity Teams Converge?
False Positives Masterclass, part 1: How to measure FPs in systems that hide them
I Used to Stalk People on Facebook
Dark web services bypass KYC checks for $150
Real-Time Fraud Prevention: Zero to Hero with Matt Vega
Why Leaders Choose Worse Fraud Tools
Why I Joined Sardine
My Stolen Identity is Cheating on My Wife
