NATIONAL BESTSELLER Communicate with confidence and improve your presentation skills with this essential guide–because delivery matters. Michael Chad Hoeppner has coached presidential candidates, prominent CEOs, and Ivy League deans on their communication skills. Now, he shares his wide‑ranging knowledge in Don't Say Um .    Hoeppner has created an entirely new approach to communication training, providing physical exercises to quickly improve speaking.  With simple-to-master exercises, Don’t Say Um is an essential tool for improving your speech.    Don't Say Um  challenges our preconceived notions of good speaking techniques and offers powerful tools to become master communicators.