How can I find out the salaries of state of NJ department of
Correction Commistioner and his cabinet members ?

To speed up the research to a dead end.  The Commissioner is Mr.Devon
Brown and the Chief of Staff is Mr.Charles Ellis.  I don't think the
salary information is public knowledge (or if it is, it's tucked away
in a very dark corner of the web!)

Good luck 
THX1138

This may interest you:

STATE OF NEW JERSEY: AGE, SALARY AND LENGTH OF SERVICE BY STATE AGENCY
JANUARY 1, 2002
http://www.state.nj.us/personnel/policy2002/7.pdf

--Bobbie7

The New Jersey Commissioner of Corrections annual salary is set and
fixed at an amount to be determined by the Governor not to exceed
$144,000 a year (as of January 2000). I don't know about the others.

regards;
tutuzdad-ga