Nadia El-Sayed
CEO & Co-FounderNadia spent several years as a fraud operations manager at a mid-size Atlanta payment facilitator before co-founding Fraudhalo. Her work rebuilding the company's rules engine after a 2023 card-testing wave — and watching each new rule increase false-positive declines on legitimate merchants — became the founding insight. Emory MBA. Based in Atlanta.
Kofi Mensah
CTO & Co-FounderKofi was a fraud infrastructure engineer at Checkout.com before co-founding Fraudhalo. He built the real-time scoring engine that processes transaction events within the card authorization window. His prior work on payment infrastructure — specifically the latency constraints of gateway integration — shaped how Fraudhalo approaches sub-40ms scoring. Atlanta-based.
Renata Kovacs
Head of Risk OperationsRenata brings seven years of SMB acquiring fraud experience from her time as a merchant risk analyst at Fiserv. She oversees the risk operations workflows and customer-facing documentation frameworks at Fraudhalo, including the chargeback documentation pack design. Her background working directly with independent payment facilitators shaped the bust-out fraud modeling scope.
Omar Saleh
ML EngineerOmar holds an MS in statistics from Georgia Tech and worked on card-network velocity models at a fintech data startup in Atlanta before joining Fraudhalo. He leads model development, including the behavioral velocity analysis and BIN risk clustering at the core of the real-time scoring engine. He also maintains the merchant baseline calibration methodology and the false-positive reduction evaluation framework.
Looking for people who understand SMB payment operations
We're a small team with a specific focus. If you've worked in acquiring fraud, payment risk, or fraud infrastructure engineering, we'd like to hear from you.
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