Unbiased Fraud Knowledge from a Global Perspective.


Managing Director, Co-Founder

Ronald Praetsch

Munich, Germany

Ronald leverages his extensive experience in payments & fraud to inform the structure and content of the site. Outside of About-Fraud, Ronald consults regularly with merchants, payment service providers and fraud solution vendors. Before About-Fraud, he spent close to a decade in various payments and fraud prevention roles at Sift Science, Fareportal, Booking.com and Pay.On in both Europe and North America.

Strategy & Growth, Co-Founder

PJ Rohall

Atlanta, Georgia, U.S.

PJ guides the strategic roadmap. He leverages a strong understanding of the fraud ecosystem, both provider and end-user, and informs feature development. Outside of About-Fraud, PJ is the Head of Fraud Strategy & Education at SEON. He speaks, engages and educates folks on relevant fraud trends and strategies, while continuously learning from the industry and empowering fraud fighters across the globe.


Business Development & Marketing

Gabriella Maciel

Hurghada, Egypt

A Brazil native, Gabriella joined About-Fraud with 4+ years of experience helping develop businesses and brands.  Gabriella manages go-to-market operations and supports our global clients across a variety of service offerings.

Creative Direction

Thomas A. Hahn

Munich, Germany

Creative mind with quite a history in the fintech industry and focused on the digital space and exploring all it has to offer. With extensive experience in marketing and creative manners, Thomas is here to help create About Fraud 2.0


Industry Advisor

Frank McKenna

San Diego, California, U.S.

Frank is a well-respected industry expert who has worked with over 200 banks, lenders and finance companies to help them solve critical fraud challenges. He has his pulse on the fraud fighting industry, therefore we're delighted to take his advice and guidance as we scale our community.