MSG Paul R. Howe, ret.

Via Sarge, who found this info through wikipedia. He opened his own combat shooting school, Combat Shooting & Tactics.

Some of his articles (pdf):
The Weapon Safety
Tactical Shooting: Some Thoughts
CQB: Direct Threat or Points of Domination
Training for the Real Fight

This sounds interesting:

His book, Leadership and Training for the Fight, ISBN# 1420889508, is guide for military and law enforcement on effective training and leadership principles, including examples of training from a Seasoned Combat Veteran passing on his wisdom.