On Gauge Theories and the TeV Scale

Plenary talk given at the 14th International Conference on Interconnections between Particle Physics and Cosmology, PPC2021, May 2021.


New Forces, Dark Matter and the LHC

Talk given at Korea Institute of Advanced Study, March, 2021


Theories for Baryon and Lepton Number Violation

Talk given at 2020 International Workshop on Lepton and Baryon Number Violation (BLV circa 2020), July, 2020


Doorways to New Physics

Talk at the Standard Model at 50 Years: A Celebratory Symposium

June, 2018


New Physics and Unification of Forces

Severo Ochoa Colloquium at IFIC-Valencia, November 2017.

New Paradigm for Physics beyond the Standard Model

Colloquium in the Physics Department at the University of Pennsylvania, USA, November, 2014.