His name is Eckhart Tolle. Oprah Winfrey picked his new book, "A New Earth" 4 weeks ago and it has sold nearly 3.5 million copies. You can read more about it here.
This guy is dangerous. He doesn't claim any particular religion or philosophy. But a quick review of his writings show a huge influence in Hinduism and Buddhism. What is even more dangerous is his philosophy which is very "spiritual" without being "religious". Millions of people will be sucked in with this spiritual junk that hasn't worked in thousands of years and it isn't going to make it tomorrow either. What can you do? Step 1 - PRAY!