| Office: | ECS 225c |
| Office Hours: | Tuesday & Thursday, 1pm - 2pm, or by appointment |
| Telephone: | (410) 455-3093 |
| E-mail: | chang@gl.umbc.edu |
| Office: | ECS 233d |
| Office Hours: | Monday & Wednesday, 4:00pm - 5:00pm |
| Office: | ECS 233d |
| Office Hours: | Monday & Wednesday, 2:00pm - 3:00pm |