Dan Clark is a professional motivational speaker, author, and CEO of Clark Success Systems. Clark is the author of twenty-one books, and is a primary contributor to the Chicken Soup for the Soul series. He speaks to corporations, charities, universities, conventions, U.S. military academies and to troops and their families. Clark has also appeared on television and radio shows, including The Oprah Winfrey Show, The Glenn Beck Program and The Adam Carolla Show. Clark is also on the International Board of Governors of Operation Smile and on the National Advisory Board for Operation Kids.