How Challenger FMIs are Revolutionizing Cross-border Payments


Thursday, 23rd June 2022


| Kazım Rıfat Ozyılmaz, Arf

| Dave Sissens,


Cross-border payments have always been in the spotlight. They have been criticized for being slow and costly, unable to cope with the demands for efficient payments among individuals, firms and financial institutions from different jurisdictions. 

Challenger financial market infrastructures are trying to solve this long-lived claim for efficient cross-border payments. New technologies, along with access to flexible and affordable computing services have encouraged the development of solutions that aim to fulfil the demand for better retail and wholesale cross-border payments. 

In this session of the Payment Systems Broadcast, we are going to talk about how Arf and envision efficient solutions that could revolutionize retail and wholesale cross-border payments with Kazım Rıfat Ozyılmaz, Co-Founder of Arf, and Dave Sissens, Chief Executive Officer of

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Session #3 Guests


 Kazım Rıfat Özyılmaz

Co-Founder, Arf 

Kazım Rıfat Özyılmaz, Co-Founder at Arf, is an entrepreneur and engineer with more than 15+ years of experience in high-quality software development. He is working on blockchain technologies both at protocol and application (Smart Contracts) levels, focusing on building decentralized, scalable business solutions. He is pursuing a PhD in Computer Engineering with a focus on blockchain and IoT integration.

 Dave Sissens


Dave Sissens is CEO of Dave has decades of experience in building and growing financial market infrastructures. His leadership skills and strengths in strategy, delivery and technology were forged across many leadership roles during his >20-year tenure at CLS- the largest global settlement system, which processes transactions of multi-trillion dollar, a deep technology firm which specialises in the design, analytics and simulation of payment systems. In this role, Dave was responsible for all revenue and ensuring the strategic alignment of the advanced technology to the market’s requirements. 

Throughout his career, Dave has retained a deep focus on reducing risk in global markets, specifically settlement risk. Having worked closely with the world’s largest banks and Central Banks, Dave is acutely aware of the risks, challenges and opportunities they face when processing cross-border transactions.



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