district residence state_senate predecessor successor children party office state_house birth_date term_start spouse article_title term_end name occupation
28th 14th chicago , illinois illinois michael f. sheahan constituency established jeremiah joyce robert rita 5 democrat sheriff of cook county illinois 25 may 1962 2007 january 3 , 1993 january 3 , 1991 patricia tom dart
 january 3 , 2003 january 3 , 1993 tom dart lawyer , politician , law enforcement official
tom dart

thomas j. `` tom '' dart -lrb- born may 25 , 1962 -rrb- is the sheriff of cook county , illinois , and serves as the chief executive of the second largest such department in the united states after los angeles .
