Here is a list of former Tom Landry assistants who became NFL head coaches:
There are currently 30 head coaches
Brad Childress is the head coach for the Vikings
The Steelers have had a total of 14 head coaches between Forrest Douds (1933) and Mike Tomlin (present).
Gregg Williams was head coach.
Tom Coughlin
There are 32 head coaches (one for every team) and a lot of assistants.
15
Jay Triano is the head trainer im sure there is more assistants
As of right now the Buffalo Bills have had 15 different head coaches.
5
Since 1933, the Steelers have had 16 different head coaches.
Through the 2007 season, the Saints have had 14 head coaches. Click on the 'New Orleans Saints Head Coaches' link on this page to see who has coached the Saints and what their all time record was.
7
1 head coach (hence the name "head") but can have up to as many 'other' coaches. (abviousley not anything above 10)
In the 2010-11 season, the Lakers head coach was Phil Jackson. Assistants were Frank Hamblen, Brian Shaw, Craig Hodges, Kareem Abdul Jabbar, Jim Cleamons, and Chuck Person
There are currently 30 head coaches
One