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John Wallis has extensive work experience in the fields of business solution architecture, information technology, and consultancy. John currently works at Ohpen as a Consultant - Business Solution Architect, specializing in retail banking, mortgage sales and originations, system integration, and end-to-end design. Prior to their current role, they worked at Lyhn Ltd as an Information Technology and Services Professional. John also served as a Consultant - Business Solutions Architect at SABIS, GFT Group, and Barclays, where they held various positions such as Lead Designer and Lead Developer. John has also worked at Fujitsu Consulting, Lloyds TSB Bank plc, Mars Confectionery, BP Chemicals, and Royal Ordnance in roles related to control systems analysis, programming, and consultancy.

John Wallis obtained a Bachelor of Engineering (BEng Hons) degree from the University of Liverpool. No further information is available regarding their education history.