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Business Services

Welcome to Business Services!


The Business Services Department is the financial and operational center of Mt Diablo Unified School District. It is the responsibility of Business Services to provide budget information necessary to make crucial decisions about programs, services, and the classroom. Business Services functions as a vital branch of the District's administration, and provides a variety of critical services to support staff, students and community. This supports includes:

  • Managing the District's fiscal resources, budgets, and accounting records
  • Providing payroll services for all District employees
  • Providing information to the Board upon which policy decisions are made
  • Short-term and long-term financial planning
  • Providing technology services for School Sites and District office
  • Providing purchasing, warehouse and graphics services for the District
  • Maintaining the safety, cleanliness and general repair of all District facilities
  • Providing student transportation services as needed
  • Making school lunches and breakfasts available to all students

Dr. Lisa Gonzales

Chief Business Officer

(925) 682-8000 Ext. 4007



Niccole Helton

Administrative Assistant Confidential

(925) 682-8000, ext. 4540

business services

Mika Arbelbide, Interim Director, Fiscal

(925) 682-8000 Ext. 4072


Director, Budget - Vacant

(925) 682-8000


Budget & Fiscal Services

Dominic Machi, Director

(925) 682-8000 Ext. 4124

Food & Nutrition Services

Richard Jackson, Director

(925) 682-8000 Ext. 3827


Melanie Koslow, Assistant Director

925-682-8000 Ext. 3815


Maintenance Operations

Elizabeth Mc Clanahan, Director

(925) 682-8000 Ext. 3740

Purchasing & Warehouse

Josh Wittman, Director, Technology Support

(925) 682-8000 Ext. 4094

Technology & Information Services

Bert Balba, Director

(925) 682-8000 Ext.  3705