Sibongile Ngako

Chief Compliance Officer Brex

Sibongile Ngako is a senior compliance and risk executive with more than 20 years of experience helping fintech and financial-services companies scale responsibly in highly regulated environments. 

She currently serves as SVP & Chief Compliance Officer at Brex, where she leads global compliance strategy, financial-crimes programs, regulatory engagement, and governance across a complex, multi-bank ecosystem. Her work sits at the intersection of compliance, product, engineering, and AI—translating regulatory expectations into practical, business-enabling systems. 

In addition to her executive role, Sibongile advises founders, executive teams, and boards on regulatory and bank-partner readiness, enterprise risk management, AI governance, and scaling compliance in high-growth environments. She is frequently called upon to support crisis response, remediation efforts, and regulator engagement. 

Previously, she held senior leadership roles at Affirm and American Express and began her career in financial supervision and risk at the Federal Reserve and Fannie Mae. 

Grounded in a pragmatic, systems-oriented approach, Sibongile is known for helping leadership teams navigate complex, high-stakes decisions with clarity, partnership, and trust. Outside of fintech, she is a classically trained soprano and arts advocate, bringing a culture- and stakeholder-centric lens to governance and risk leadership.