For general questions or help with the campus directory, please contact us either via email at: info@deltacollege.edu or call the San Joaquin Delta College main phone number at: (209) 954-5151 and follow the prompts.
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![Photo of Julie Hummel](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/julie_hummel_web.jpg?itok=yfdxV4Rb)
![](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/default-directory_93.jpg?itok=EbyVEjUB)
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Community Education Supervisor
Career Technical Education & Workforce Development, Workforce Training Institute
(209) 954-5151, ext: 5045
![Photo of Robin Imhof](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/robin-imhof.jpg?itok=8qAqSZBl)
![Leo Jon "LJ" Imutan](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/leo-john-imutan.png?itok=ulLoPUa9)
![Leticia Infante](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/1180714705179277.kgpv4j3upap4snmyk7vs_height640.png?itok=HWfnEnrV)
POST Academy Coordinator
Social Science, Education and Public Service, POST Academy, Administration of Justice
![](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/default_images/default-campus-directory-2024.png?itok=AMqSY6E-)
![Marvin Jackson](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/marvin-jackson-2016.png?itok=w8ADxeiH)
![](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/default_images/default-campus-directory-2024.png?itok=AMqSY6E-)
![Photo of Christian Japzon](https://deltacollege.edu/sites/default/files/styles/directory_grid_item/public/christian-japzon.jpg?itok=CBu9KHQ2)