I often give both blackboard and powerpoint talks. Below are some slides / recordings from some of these.​

String Pheno 2019 Talk on F-theory and Dark Energy

F-theory 2018 Talk on 4D Conformal  Matter

Strings 2015 Talk on Geometry of 6D SCFTs

Four Lectures on Geometric Engineering

Four Lectures on 6D SCFTs

Five Lectures on F-theory Model Building

String Math 2014 Talk on Classifying 6D SCFTs

Strings 2012 Talk on Covariant Non-Commutativity

Strings 2009 Talk on Flavor in F-theory