Dr. Andrew Siefker
Professor
Department of Mathematics

- andrew.siefker@angelo.edu
- Phone
- 325-486-5440
- Office
- Mathematics-Computer Science Building 219B
Office Hours
Monday
9 - 10 a.m., 2 - 4 p.m.
Tuesday
9 - 10 a.m., 2 - 4 p.m.
Wednesday
9 - 10 a.m.
Thursday
2 - 4 p.m.
Friday
9 - 10 a.m.