This document is the spring 2010 issue of GO magazine published by Development Dimensions International (DDI) to commemorate their 40th anniversary. It contains articles about DDI's history, their work helping clients strengthen leadership and develop talent, and trends in the workplace. The issue includes an interview with DDI's Chairman and CEO Bill Byham about the importance of networking for new hires, and articles on DDI's new leadership training courses, the impact of leadership development, and best practices for mid-level management.