Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Teachers Without Borders (TWB) is an international non-profit organization that provides resources, tools and training to enhance the knowledge, skills, and connectivity of teachers around the world. The organization was founded in 2000 by Dr. Fred Mednick, who believed that in addition to transmitting knowledge in their classrooms, teachers can effect positive change and development in their communities.