Roy Peter Clark is vice president and senior scholar at The Poynter Institute, where he has taught writing since 1979. He is the author of Writing Tools: 50 Essential Strategies for Every Writer, the book and the blog. His latest book is The Glamour of Grammar: A Guide to the Magic and Mystery of Practical English.

Clark has taught writing at every level -- from school children to Pulitzer Prize-winning authors -- for more than 30 years, and has spoken about the writer's craft on The Oprah Winfrey Show, NPR and Today; at conferences from Singapore to Brazil; and at news organizations from The New York Times to the Sowetan in South Africa.

His other books include: "Free to Write: A Journalist Teaches Young Writers," "Coaching Writers: Editors and Reporters Working Together," "America's Best Newspaper Writing," "The Craft and Values of American Journalism" and "The Changing South of Gene Patterson: The Journalism of Civil Rights, 1960-1968."

He is a Distinguished Service Member of the American Society of News Editors.

Read his complete Poynter profile here.