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John Gessau

John Gessau

Product Management Lead - Merchant Payment Solutions


John Gessau

John has been in the payments industry for 18 years. He started with a technical focus, building and deploying payment systems across EMEA. He spent time leading a professional services team for S1 Corporation, and subsequently a solution design team. When S1 was acquired by ACI he lead the mobile banking team for a number of years, before transitioning to a focus on Merchant Payment solutions.

John is responsible for the strategy of ACI’s Merchant Payment Solution. This includes a full omni-channel offering, giving merchants the ability to offer a consistent and seamless payment experience across all their consumer touchpoints, while managing the system through a single centralized business portal. Besides the core focus on merchant solution strategy, John plays a leading role in driving innovation inside ACI – having launched a world-class mobile payments solution and integrated new and valuable capabilities for merchants into the ACI offering.

More articles by John Gessau

  • Protecting Payments During the COVID19 Crisis

    Merchant Considerations for Protecting Payments During the COVID-19 Crisis

    Wednesday, April 15, 2020

    As the spread of COVID-19 continues to impact businesses of all shapes and sizes in unprecedented ways, the power of payments has never been clearer. Drastic increases in online transaction volume and the need for essential in-store payment processing create new challenges for online and brick-and-mortar retailers alike. Here are a few ways that merchants can protect their business – from the perspective of payment processing and fraud mitigation – during this uncertain time.

  • How Google Pay could be different

    Another Day, Another ‘Pay’? Why Google Pay Could Be Different

    Tuesday, January 16, 2018

    The official announcement of Apple Pay back in late 2014, and Android Pay just a few months later, was the catalyst for seemingly endless prognostication on the dawn of a new era in mobile payments. Along with a clutch of ‘Pay’ cohorts, these digital wallets were widely expected to transform shopper behavior, nudging us closer to cashless world where the physical wallet could be left to collect dust at home.

  • Lifestyle use cases are driving mobile payments

    How Connected Consumer Lifestyles Will Drive Forward Mobile Payments

    Thursday, August 03, 2017

    Merchants are striving to respond to the ever-changing behaviors and expectations of consumers by creating seamless purchasing experiences that engage customers and keep them returning for more. In turn, payment service providers (PSPs) and technology vendors are endeavoring to meet the needs of those merchants by providing appropriate supporting technology and services.

  • mobile travel trends

    Mobile is Transforming the Travel Sector – So What’s a Merchant To Do?

    Thursday, February 23, 2017

    February in South Africa means long, hot days, and seemingly endless sunshine (interrupted only by the occasional thunderstorm). Temperatures often top 30 Celsius (that’s mid-eighties for my American friends) and nearly every day is deserving of a braai (that’s barbeque for the rest of the world). But I do spare a thought for my colleagues and friends in Boston, New York, Munich and London (amongst others) at this time of year, as they slog it out through the darkest and coldest months of winter. Who’s to blame them for seeking a bit of light escapism as they plan and book their spring and summer vacations?