Discrete stratified Morse theory (video), GEOTOP-A Seminar, 11 March 2022

Approximate triangulations of Grassmannians, Brown Data Science Seminar, 28 October 2020

Approximate triangulations of Grassmannians, JMM Denver, 17 January 2020

Discrete stratified Morse theory, UF Topology/Geometry Seminar, 19 February 2019

Twenty years of discrete Morse theory, UF-FSU Topology Conference Plenary Talk, 8 February 2019

A topologist plays 20 questions, Colloquium, Georgia Southern University, 9 November 2018

The Mathematics of Gerrymandering, CLEC Lecture, Georgia Southern University, 8 November 2018

About that example..., Multiparameter Persistent Homology, CMO-BIRS, Oaxaca, Mexico, 7 August 2018 (video)

Discrete analogues of results in smooth Morse theory, International Conference on Algebra and Related Topics, Rabat, Morocco, 4 July 2018