What are facts about Greg Mortenson?

Greg Mortenson is an American humanitarian and former mountaineer best known for his work in promoting education, particularly for girls, in Pakistan and Afghanistan. He co-authored the bestselling book "Three Cups of Tea," which recounts his experiences in establishing schools in rural areas of these countries. Mortenson co-founded the Central Asia Institute, which focuses on education and community development. However, his reputation faced significant scrutiny following allegations of inaccuracies in his accounts and financial mismanagement.