Who is Julie O'Brien?
Julie O'Brien is the CMO of Feedzai, the fraud prevention company founded in Coimbra. Feedzai uses AI to stop payment fraud and financial crime. It was founded in Coimbra in 2011 and keeps large offices in Lisbon, Coimbra and Porto.
About Julie O'Brien
She became Feedzai's Chief Marketing Officer in March 2025 and works from Boston.
About Feedzai
Feedzai uses AI to stop payment fraud and financial crime. It was founded in Coimbra in 2011 and keeps large offices in Lisbon, Coimbra and Porto. It raised a $75M Series E in October 2025 at a valuation of more than $2B. In July 2026 CNBC named it to its World's Top Fintech Companies list, and in September it launched Farol, an AI agent for fraud investigation. Feedzai says it analyses more than $9 trillion in payments a year.
Why Julie is on the cover
Feedzai is one of the companies Portugal points to when it talks about building worldwide, and Julie markets it.
Questions about Julie and Feedzai
- What does Julie O'Brien do at Feedzai?
- Julie O'Brien is the CMO of Feedzai, the fraud prevention company founded in Coimbra.
- What does Feedzai do?
- Feedzai uses AI to stop payment fraud and financial crime. It was founded in Coimbra in 2011 and keeps large offices in Lisbon, Coimbra and Porto.
- How much has Feedzai raised?
- Feedzai raised a $75M Series E in October 2025, at a valuation of more than $2B.

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