Greg Mortenson, American humanitarian and author

Greg Mortenson is an American professional speaker, writer, veteran, and former mountaineer. He is a co-founder and former executive director of the non-profit Central Asia Institute and the founder of the educational charity Pennies for Peace.Mortenson is the co-author of The New York Times Bestseller Three Cups of Tea and Stones into Schools: Promoting Peace with Books, Not Bombs, in Afghanistan and Pakistan.Mortenson was accused of financial irregularities in handling donations to the CAI and falsehoods in his books. In 2012, Mortenson repaid $1 million to the CAI after an inquiry by the Montana Attorney General.