As far as public speaking goes, business speaking had Steve Jobs;
motivational speaking has Tony Robbins, and sports speaking has Dick
Vitale to name a few.
Law enforcement has one too. His name is Lieutenant Colonel Dave
Lt. Col. Grossman was an Airborne Ranger and a paratrooper. He had
a very impressive career in the military and retired in 1998.
Colonel Grossman has written several books, but has become more known
for his public speaking work.
Below is sample of his work on being a warrior: