

Board of Supervisors |
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| First District Supervisor |
Chairman Second District Supervisor |
Third District Supervisor |
Vice Chairman Fourth District Supervisor |
Fifth District Supervisor |
| 909.387.4830 Website |
909.387.4833 Website |
909.387.4855 Website |
909.387.4866 Website |
909.387.4565 Website |
County Counsel |
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| Ruth E. Stringer |
| 909.387.5451 |
Chief Compliance and Ethics Officer |
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| Gary Morris |
| 909.387.4500 Website |
Public Information Officer |
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| David Wert |
| 909.387.5412 Website |
County Administrative Officer |
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| Mark Uffer |
| 909.387.5418 Website |
Assistant County Administrative Officer |
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| Dean Arabatzis |
| 909.387.5412 Website |
Director Behavioral Health |
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| Allan Rawland |
| 909.382.3106 Website |
Director Public Health |
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| Jim Lindley - Interim |
| 909.387.9146 Website |
Director Human Resources |
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| Andrew Lamberto |
| 909.387.8304 Website |
Director Risk Management |
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| Laurie Milhiser |
| Website |
Assistant County Administrator - Public and Support Services Group
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| Norm Kanold |
| 909.387.4532 |
Associate Administrative Officer
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| Gerry Newcombe |
| 909.387.9046 |
Associate Administrative Officer
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| Keith Lee |
| 909.387.5425 |
Director Agriculture, Weights and Measures |
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| John Gardner |
| 909.387.2105 Website |
Director Facilities Management |
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| Dave Gibson |
| 909.387.2227 |
Director Fleet Management |
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| Roger Weaver |
| 909.387.7870 Website |
Director Land Use Services |
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| Julie Rynerson Rock |
| 909.387.8311 Website |
Associate Administrative Officer |
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| Art Gomez |
| 909.388.0252 |
Director Transitional Assistance |
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| Nancy Swanson |
| 909.388.0245 |
DirectorAging and Adult Services |
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| Colleen Krygier |
| 909.891.3900 Website |
Director Preschool Services |
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| Ron Griffin |
| 909.387.2363 Website |
Director Child Support Services |
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| Connie Brunn |
| 909.799.1790 Website |
Director Children's Services |
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| Deanna Avey-Motikeit |
| 909.383.9800 Website |
Economic Development Agency Administrator |
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| Mark Dowling |
| 909.387.9801 Website |
Director Community Development and Housing |
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| Pat Cole, Interim |
| 909.388.0800 Website |
Director Economic Development |
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| Kevin Palmer |
| 909.387.9812 Website |
Probation |
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| Jerry Harper |
| 909.387.8310 Website |
Public Defender |
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| Doreen Boxer |
| 909.382.7650 Website |