Contact Information and Office Hours Professor Marla Geha Gibbs Lab 253 Office Hours: Mondays 10am - 11:30am, Bass Library Cafe or by appointment. Teaching Assistants Joel Leja Office Hours: Wednesdays 11am-12pm Blue Dog Cafe Rachel MacDonald Office Hours: Fridays 11:30am-12:30pm, Gibbs 2nd Floor Lobby or rm 211 Kaylea Nelson Office Hours: Wednesdays 4-5pm, Gibbs Lab 207