ORG Tivoli Systems, Inc. Title BIO Mark Simpson is the Program Manager for Tivoli's World-wide Security Architecture and Solutions Design Group. Mark manages Tivoli's Senior Security Architects providing architectures and solutions that span the Tivoli Enterprise Management product portfolio. His team's area of expertise is providing secure and manageable e-commerce solutions to enterprises and their edge systems which includes architecting solutions for customers, working on new product developments, and standards work. Mark has been working for IBM and Tivoli for over 17 years in various technical, leadership and management roles. He has been focused on Internet and Network Security products and solutions for the last 5 years.