Teaching

Spring 2026

BUECB6200 Managerial Economics

Instructors: Nachum Sicherman, Viola Corradini.

TA: Ritsu Kitagawa (ritsu.kitagawa@columbia.edu). 

TA Review Sessions: Fridays 4:00 – 5:30pm, Geffen Hall 390.

TA Office hours: 2:30-3:30pm, Kravis Hall 590-3.

BUECB8315 Game Theory and Business

Instructor: Alessandro Citanna.

TA: Ritsu Kitagawa (ritsu.kitagawa@columbia.edu). 

TA Review Sessions: Fridays 1:00 – 2:30pm, Kravis Hall 780.

TA Office hours: By appointment.