Our Authors
The experts and enthusiasts who write for Go FlowPay.
Nadia Okafor
MBA (Wharton), Former Product Lead at Braintree
Nadia Okafor is a fintech analyst who has been covering the payment processing industry since 2016. She previously led product analytics at a payment gateway startup and now applies that insider knowledge to evaluating merchant services, payment APIs, and checkout solutions. Nadia focuses on the metrics businesses actually care about: interchange markup, chargeback handling, integration complexity, and settlement speed.
Raj Patel
Former Stripe Lead, PCI-DSS Certified
Raj Patel is a fintech engineer who spent four years at Stripe building payment integrations for enterprise clients before moving into independent consulting. He has audited payment stacks for over 60 merchants, diagnosing hidden interchange costs, settlement delays, and security gaps. Raj writes from a technical perspective that bridges what merchants experience on the surface and what actually happens at the API layer.