Prof. Dr. Philip Hallinger is recognized internationally as an innovator in leadership development. A prolific author, trainer and consultant, he has lived in Asia for the past 25 years and works extensively with both private and public sector organizations. Philip Hallinger is an internationally recognized scholar in educational leadership and change. He is acknowledged as an innovation leader in the areas of instructional leadership, educational change, leadership development, and school improvement. He authored the Principal Instructional Leadership Rating Scale (PIMRS), the most widely used survey instrument in the world for measuring instructional leadership.