Operations
The chief financial/operating officer is responsible for managing the district's operations.
Areas of responsibility and department contacts are presented below.
Areas of Responsibility and Supervision
- Budget and Finances
- Business Office - payroll, employee and retiree benefits, accounts payable, grant accounting, Core Data
- Community and Staff Engagement - K-8 athletics and activities, staff wellness, Right at School liason, facility rentals
- Facilities - custodial, maintenance, construction (bond projects, etc.), utilities, security systems
- Food Services - menu planning, nutrition evaluation, parent payments, food deliveries
- Printing Services - graphic design and layout, printing, binding, mailing, district courier
- Purchasing - approval of all purchases, bids, purchasing cards
- Safety and Security
- Technology - computer hardware and software, printers, media equipment, hardware technicians, PowerSchool

Department Contacts
Mary Jo Gruber, CPA, CGMA, SFO
Chief Financial/Operating Officer
mjgruber@psdr3.org
(314) 213-8005
(314) 213-8601 (fax)
Susan Barnes
Administrative Assistant to the Chief Financial/Operating Officer
sbarnes@psdr3.org
(314) 213-8037
Justin Bartlett
Director of Facilities
jbartlett@psdr3.org
(314) 213-8040
JoAnn Greenwell
Director of Community & Staff Engagement
jgreenwell@psdr3.org
(314) 213-8095
Nancy Henley
Director of Accounting
nhenley@psdr3.org
(314) 213-8030
Michael Russell
Director of Finance
mrussell@psdr3.org
(314) 213-8030
Greg Southard
Director of Technology
gsouthard@psdr3.org
(314) 213-8050
Audrey Westrich
Director of Food Service
awestrich@psdr3.org
(314) 213-8084
Brian Whitfield
Director of Safety, Security and Emergency Management
whitfieb02@psdr3.org
(314) 213-8392