October 8, 2019
12:00PM EST

February 2, 2021
12:00PM EST

March 2, 2021
12:00PM EST

April 27, 2021
12:00PM EST

November 8, 2022
12:00PM EST

- Rose Morris-Wright (Middlebury College)
November 22, 2022
12:00PM EST

- Francis Su (Harvey Mudd College)
February 7, 2023
12:00PM EST

- Diana Skrzydlo (University of Waterloo)