This document discusses policy centralization patterns. It introduces Suresh Atanayake and Umesha Gunasinghe who will present. WSO2 is described as an open source platform provider. The importance of policies for organizations and services is discussed. The policy centralization pattern advocates defining and maintaining policies in a centralized location to promote reuse and consistency. Examples are provided of using WS-Policy and XACML policies with WSO2 middleware.