Leigh Hennen is chief human resources officer for Syniverse. Joining the company in August 2006, Ms. Hennen brought to Syniverse more than 30 years of experience in human resources, learning and development, organization development and alignment, change leadership, communications, strategic planning, and integration of mergers and acquisitions. Before joining Syniverse, she was vice president of human resources for Emdeon Business Services and, prior to that, senior vice president of human resources for Ceridian Human Resource Solutions. Her international experience includes assignments in the United Kingdom and Canada as well as human resource responsibilities for employees in France and Costa Rica. Ms. Hennen is the co-author of two books: Whole-Scale Change: Unleashing the Magic in Organizations and The Whole-Scale Change Toolkit.