In August 2017 I gave a talk on some of the mathematics of Maryam Mirzakhani, the great Iranian mathematician, first female Fields Medallist. This was a Monash LunchMaths seminar.
I gave an outreach talk to secondary students at PLC about mathematics and mathematicians, talking about, among other things, topology, Maryam Mirzakhani, and billiards, in July 2017. Slides are available.
In December 2016 I gave a talk to secondary school students about mathematics and mathematical philosophy.
My story of Bertrand Russell, given at The Laborastory, a monthly science storytelling event in Melbourne.
I appear in a rather excellent and fun episode of the ABC Radio National program Radiotonic.
I gave a talk about the Defence Trade Cooperation Act, encryption, and number theory, as part of the Monash University LunchMaths seminar series, in August 2015. Slides are available.
In November 2014, I spoke at the Victorian prize ceremony for the Australian Mathematics Competition.
I gave an introductory talk on Topology, as part of the Monash University LunchMaths seminar series, in August 2014. Slides are available.
I gave an introductory talk on Hyperbolic Geometry, as part of the Monash University LunchMaths seminar series, in September 2013. Slides are available.