Central Office Staff

Office of the Superintendent    
Salvatore Petralia
Superintendent of Schools
spetralia@sau50.org    Salvatore Petralia - Superintendent of Schools  
Curriculum and Instruction    
Kelli Killen
Assistant Superintendent
kkillen@sau50.org  Kelli Killen - Assistant Superintendent
Special Education    
Lana Hoyt
Interim Special Education Director
Diane Peterson
Student Information & Support Secretary       
dpeterson@sau50.org  Diane Peterson - Student Information & Support Secretary
Business Office    
Susan Penny 
Business Administrator



Tammy Clark
Financial Assistant
tclark@sau50.org  Tammy Clark - Financial Assistant
Jennifer Nelson
Financial Assistant
jnelson@sau50.org  Jennifer Nelson - Financial Assistant
Jodi Wick
Human Resources and Support Secretary 
jwick@sau50.org  Jodi Wick - Human Resources and Support Secretary
Brian Grattan
Director of Technology 
  bgrattan@sau50.org    Brian Grattan - Director of Technology
Lindsay Greenberg
PowerSchool/Database Specialist 
  mgreenberg@sau50.org    Lindsay Greenberg - Powerschool/Database Specialist
Timothy Mac Duff
Facilities Manager 
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