John leads the business intelligence service practice of A Tax Advisor Pte Ltd, providing a variety of solutions (eg technology and data strategy, data transformation and integration, process improvement and automation, data analytics services) and business process outsourcing services to corporate finance and tax departments.

He utilises over 15 years of experience in corporate financial reporting and analysis, corporate tax compliance and provision, executive financial dashboard management, technology and performance improvement, data modelling and warehousing, and ERP integration to assist corporate finance and tax functions with improving performance and managing business risk using business intelligence.

Before joining A Tax Advisor Pte Ltd, John was part of EY's Tax Technology and Transformation group (formerly known as Tax Performance Advisory) in Washington, DC, New York City and Singapore.

Prior to joining EY, John was a financial analyst in charge of development of Business Objects tools, data modelling and warehousing, and executive financial dashboard management for a global manufacturing company in the US.