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aex is a consultancy that serves bankcard Acquiring Banks, Payment Institutions, Payment Processors, Payment Schemes, and Merchants.   Its purpose is to assist clients in achieving bankcard and payment processing excellence with current strategies and operations, and develop new strategies and expansion opportunities.  

aex brings 25 years of experience at creating, and implementing, bankcard and payment processing strategies.

John Shirey, a seasoned veteran of the bankcard and payment processing industries on an international basis, has formed aex.

His career summary and key accomplishments include:
  • Over 25 years experience in the bankcard Acquiring and e-payments industry working for Chase Paymentech
  • Primary focus was on expanding products and services for e-commerce merchants on an international basis.
  • Roles held include:  Chief Financial Officer, Credit & Risk Management, Direct Sales, Sales Management, New Product Development, Product Management, Strategy Development, Card Scheme Relations, Business Development
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Strategic Expansion
  • Business lead to establish the company's first retail processing capabilities in Europe.
  • Established EU Acquiring Licenses with Visa Europe and MasterCard International
  • Relocated from the USA to Ireland to expand International Acquiring opportunities for Chase Paymentech
  • Lead early initiatives and developed strategies to enter Asia Pacific markets
  • Developed and launched  pan European e-commerce processing services - the first US processor to do so.
  • Lead project team to enter the Canadian markets  -  the first US payment processor to offer both US and Canadian processing.


Product and Programme Development
  • Current Chairman of the Card Payments Working Group under the National Payments Plan of the Central Bank of Ireland
  • Past Chairman of the Visa Ireland Acquirers Forum
  • Project lead for EU company to become accredited under the Payment Services Directive
  • Developed multi-country direct debit processing service in Europe.
  • Served as business lead on multiple major portfolio processing conversions.
  • US Patent Holder for transaction fraud scoring system
  • Launched Internet Payment Gateway
  • Released the industry's first online merchant reporting system
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