Mr. Tjon Sack Kie is an expert in the Cards & Payments domain for many years and specialized in complex changes in the Card payments business.
As an international Card payments consultant, mr. Tjon Sack Kie has been engaged with financial institutions and corporates to optimize or change their payments business in order to achieve their business objectives or ambitions.  Roles fulfilled were divers, ranging from Engagement Manager to Sr. Payments Business Analyst.