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.

## Maths week talk at PLC

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.

## Mathematics, mathematicians, philosophy

In December 2016 I gave a talk to secondary school students about mathematics and mathematical philosophy.

## The story of a paradox

My story of Bertrand Russell, given at The Laborastory, a monthly science storytelling event in Melbourne.

## Riddle. Mystery. Enigma.

I appear in a rather excellent and fun episode of the ABC Radio National program Radiotonic.

## Why your calculator is a weapon

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.

## To mathematics champions

In November 2014, I spoke at the Victorian prize ceremony for the Australian Mathematics Competition.

## LunchMaths topology, Aug 2014

I gave an introductory talk on Topology, as part of the Monash University LunchMaths seminar series, in August 2014. Slides are available.

## LunchMaths hyperbolic geometry, Sep 2013

I gave an introductory talk on Hyperbolic Geometry, as part of the Monash University LunchMaths seminar series, in September 2013. Slides are available.