Mathew Stewart

Mathew is a mobility researcher with deep expertise in fleet, fuel, EV charging, transportation, and the payment systems that power them. For over 15 years, he has delivered insight-led studies across more than 100 countries — supporting clients with market sizing, product evaluation, competitive benchmarking, segment profiling, and transaction analysis.

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In 2009, Mathew founded Explundish, a niche research firm focused on fleet payments, which now tracks mobility payment developments across more than 100 countries. His commitment to understanding emerging trends, user behaviour, and ecosystem shifts has made him a go-to advisor for fintechs, enterprise platforms, and payment networks looking to scale and evolve their market strategies.

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In 2014, he joined Knowledge Network International (KNI) as a Partner, where he leads the B2B Payments practice and supports clients with insight-driven product and go-to-market strategies. His recent work spans the US, Canada, Sub-Saharan Africa, the Gulf region, and South-East Asia — with clients including Coast, AtoB, Mudflap, Fillip, Car IQ, Payment24, PDI, Worldline, and Sodexo.

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At PHC Mobility, Mathew leads the research and insight function, turning fragmented data into strategic clarity. His work blends qualitative and quantitative methods, drawing on sources such as official statistics, proprietary datasets, mystery shopping, surveys, and expert interviews. He regularly facilitates client workshops, presenting findings with the precision, neutrality and real-world relevance required to guide high-stakes decisions.

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Mathew’s strength lies not just in what he knows, but in how he applies it: translating mobility complexity into actionable intelligence. With a background in consulting at EY and PwC, he combines analytical depth with commercial pragmatism, helping clients move forward with confidence in an industry that rarely stands still.

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