Col Douglas Macgregor May 2024. Army colonel, former senior advisor to the secretary of defense, author and a senior fellow at the american. Douglas macgregor (ret.) is one of the most innovative thinkers of our time.

Douglas macgregor, a retired u.s. For the 2024 holiday season, eligible items purchased between november 1 and december 31, 2024 can be returned until january 31, 2025.