John Spencer

John Spencer is an American award-winning scholar, professor, author, combat veteran, and internationally recognized expert and advisor on urban warfare and other military related topics. Considered the world’s leading expert on urban warfare, he served as an advisor to the top four-star general and other senior leaders in the U.S. Army as part of strategic research groups from the Pentagon to the United States Military Academy. **Source**: [Author's website](https://www.johnspenceronline.com/bio)