Horizons
AI + Digital Innovation
A one-day summit in Shoreditch for leaders at the edge of innovation.
- –
- BrainStation London
Featuring speakers from:
Visa Interbrand Mastercard Checkout.com Fin AI
We hosted a forward-looking conversation in London with senior product and innovation leaders.
BrainStation London
Event Recap
Tuesday, June 3, 2025




Relive the highlights of Leaders in Product: 2025 Trends & Landscape with Warren Macdonald, Guy Walker, Liz Lohn, and Aristidis Catsambas in the photo gallery. Download and share your favorites, and don't miss the next event!
Product leaders from Mastercard, Kraken, Financial Times, and JPMorgan Chase shared how technology and AI are transforming product development, from strategic leadership and human-centered innovation to creating seamless, cross-platform experiences.

Warren Macdonald
Head of Digital Labs
Warren is a digital innovation leader focused on driving technology transformation. As Head of Digital Labs at Mastercard, he leads the development of cutting-edge solutions that enhance payments and customer experiences. With expertise in fintech, product strategy, and emerging technologies, Warren helps shape the future of digital commerce.

Guy Walker
VP, Product
Guy is a product leader specializing in fintech and digital assets. As VP of Product at Kraken, he drives innovation, scalability, and user-centric solutions in the crypto space. With deep expertise in product strategy and technology, he focuses on building seamless, secure, and impactful financial products that enhance the digital asset ecosystem.

Liz Lohn
Director of Product
Eighteen years leading product teams and building businesses crystallised Liz's passion for driving change through technology. She has applied AI across financial, property, health, and education products. Currently, Liz leads the editorial tech team – CMS, analytics – and a new team focused on accelerating AI product development at the FT.

Aristidis Catsambas
VP, Product
Aristidis Catsambas is a Vice President of Product Management at JPMorgan Chase, bringing over a decade of experience in product development, business operations, and strategy. He is known for his thought leadership on topics such as AI integration, feedback culture, and organizational dynamics, and is passionate about building impactful products and fostering effective teams.
Horizons
A one-day summit in Shoreditch for leaders at the edge of innovation.
Featuring speakers from: