Isometric extensions – talk at the Fields Institute, September 2021 https://www.youtube.com/watch?v=RH2DpuH4lgI
Video of a Zoom presentation A pure mathematician looks at COVID
Video of a lecture given at CIRM Luminy, November 2019
Norm-preserving extensions of bounded holomorphic functions – joint work with Lukasz Kosinski
An entropy based approach to interpreting ultrasound signals – powerpoint slides from presentation to St. Louis Machine Learning and Data Science Meetup, December 2015 PPT
Video of a lecture given at Banff International Research Station, August 2010 Matrix monotone functions of several variables – joint work with Jim Agler and Nicholas Young