Here are pdf files and/or references and/or notes for recently given talks
Disclaimer: computer presentations are only designed to make sense with overlays and my commentary.
Disclaimer: notes are just my notes, designed to make sense to me but they might also make sense to you.

Isolated hypersurface singularities, associated forms, and their invariants 24th November 2015 in Kagoshima
Japanese Australian workshop on Real and Complex Singularities JARCS6 at the University of Kagoshima
Parabolic geometry in five dimensions 2nd November 2015 in Sydney
Workshop on Analysis and Geometry in Non-Riemannian Spaces at the University of New South Wales
Conformal foliations and CR geometry 25th September 2015 in Adelaide
Workshop on Geometry and Analysis at Flinders University
Integrability conditions for the Grushin operators 1st September 2015 in Adelaide
Differential Geometry Seminar at the University of Adelaide
Seeing the Unseeable 24th August 2015 in Adelaide
Undergraduate Seminar at the University of Adelaide
Complexes of Differential Operators 18th June 2015 in Nordfjordeid
Last in a series of 7 talks at the Sophus Lie Centre on Invariant Differential Operators and BGG sequence in parabolic geometry
Talks 2 - 6 were blackboard talks
See also these questions
Symmetry and Differential Equations 15th June 2015 in Nordfjordeid
First in a series of 7 talks at the Sophus Lie Centre on Invariant Differential Operators and BGG sequence in parabolic geometry
See also this note
Symmetry and Differential Equations 25th November 2014 in Sydney
Colloquium-style talk at the University of Sydney
The Projective Rigidity of Projective Space 22nd September 2014 in Sydney
PDE seminar at the University of Sydney
Prolongation 101 5th September 2014 in Wollongong
Mini-workshop on Geometric Analysis at the University of Wollongong
Metrisability of Three-dimensional Path Geometries - Part II 19th August 2014 in Canberra
Differential Geometry Seminar at the Australian National University
Metrisability of Three-dimensional Path Geometries - Part I 13th August 2014 in Canberra
Differential Geometry Seminar at the Australian National University
Projective Space and Twistor Theory 19th July 2014 in Hayama
Hayama Symposium on Complex Analysis in Several Variables XVII
Differential Complexes for the Grushin Distributions 2nd June 2014 in Warsaw
Vector Distributions and Related Geometries, a conference at the Banach Center
The X-ray Transform - Part III 1st May 2014 in Canberra
A repeat at the ANU of my Srní talks given in January
The X-ray Transform - Part II 29th April 2014 in Canberra
A repeat at the ANU of my Srní talks given in January
The X-ray Transform - Part I 29th April 2014 in Canberra
A repeat at the ANU of my Srní talks given in January
Background on C-projective Geometry 31st March 2014 in Kioloa
Second Kioloa Workshop on C-projective Geometry
Conformal Geometry in Four Variables and a Deformation Complex in Five 19th March 2014 in Greifswald
Lorentzian and Conformal Geometry, a Conference in Honour of Helga Baum's 60th Birthday
The X-ray Transform - Part III 23rd January 2014 in Srní
The 34th Czech Winter School in Geometry and Physics
The X-ray Transform - Part II 21st January 2014 in Srní
The 34th Czech Winter School in Geometry and Physics
The X-ray Transform - Part I 19th January 2014 in Srní
The 34th Czech Winter School in Geometry and Physics
The Moduli Space of Genus 2 Riemann Surfaces 15th October 2013 in Canberra
Algebra and Toplogy Seminar at the Australian National University
The Projective Rigidity of Projective Space 18th September 2013 in Banff
Workshop on Geometry and Inverse Problems at the Banff International Research Station
Twistors, Tractors, and Conformally Invariant Operators 11th September 2013 in Oxford
The Mathematics of CCC: Mathematical Physics with Positive Lambda (a CMI workshop)
A Canonical Connection on Sub-Riemannian Contact Manifolds 22nd August 2013 in Brno
Differential Geometry and its Application DGA2013
Invariant Differential Operators and Exterior Differential Systems II 17th July 2013 in Estes Park, Colorado
New Directions in Exterior Differential Systems, a Conference in Honour of Robert Bryant's 60th Birthday
Conformal Geometry in Four Variables and a Deformation Complex in Five 16th July 2013 in Estes Park, Colorado
New Directions in Exterior Differential Systems, a Conference in Honour of Robert Bryant's 60th Birthday
Prolongation 101 7th May 2013 in Canberra
Differential Geometry Seminar at the Australian National University
H-projective Geometrry - Part 8 21st March 2013 in Canberra
Differential Geometry Seminar at the Australian National University
Twistor Theory and the Harmonic Hull 8th March 2013 in Adelaide
Colloquium at the University of Adelaide
Conformally Fedosov Manifolds 8th March 2013 in Adelaide
Seminar at the University of Adelaide
How to Draw a Cube 6th March 2013 in Adelaide
Talk for year 12 students at Saint Peter's College
Seeing the Unseeable 6th March 2013 in Adelaide
Talk for year 10 students at Saint Peter's College
H-projective Geometrry - Parts 5 and 6 20th and 22nd February 2013 in Canberra
Differential Geometry Seminars at the Australian National University
Projective Structures and Mobility 30th January 2013 in Canberra
Differential Geometry Seminar at the Australian National University
Berstein-Gelfand-Gelfand Complexes 11th January 2013 in San Diego
Special Session on Finite Element Exterior Calculus and Applications at the 2013 Joint Mathematics Meeting
Conformally Fedosov Manifolds 5th November 2012 in Canberra
Differential Geometry Seminar at the Australian National University
Conformally Fedosov Manifolds 25th October 2012 in Nantes
Workshop on Recent Developments in Conformal Geometry at Laboratoire de Mathématiques Jean Leray, Université de Nantes
What's the Penrose Transform? 17th October 2012 in Canberra
Differential Geometry Seminar at the Australian National University
What's a Twistor? 12th October 2012 in Canberra
Differential Geometry Seminar at the Australian National University
Conformal and CR Geometry from the Parabolic Viewpoint 31st July 2012 in Banff
Workshop on Conformal and CR Geometry at Banff International Research Station
Some Twistor Constructions Revisited 12th July 2012 in Taipei
International Workshop on Several Complex Variables and Complex Geometry at the Institute of Mathematics, Academia Sinica
Homogeneous Hypersurfaces 4th July 2012 in Canberra
Differential Geometry Seminar at the Australian National University
Theoretical Tomography Past and Present 22nd June 2012 in Canberra
Inverse Problems One Day Seminars 3 at the Australian National University
Some Elliptic and Subelliptic Complexes from Geometry 12th June 2012 in Xi'An
International Conference in Geometric and Nonlinear Partial Differential Equations on the Occasion of the 70th Birthday of Neil Trudinger
How to Draw a Cube 8th May 2012 in Canberra
A talk to Australian National University Mathematical Society
Seeing the Unseeable 17th February 2012 in Canberra
A talk to the Alumni and Friends of the Mathematical Sciences Institue at the Australian National University
Twistor Theory and the Harmonic Hull 14th January 2012 in Bochum
Lie Groups: Structure, Actions, and Representations at Ruhr-Universität, Bochum to mark the 75th Birthday of Joseph Wolf
The Penrose Transform for Complex Projective Space 9th January 2012 in Boston
Geometric Analysis on Euclidean and Homogeneous Spaces at Tufts University
The Penrose Transform for Complex Projective Space 24th November 2011 in Nice
Seminar at the University of Nice
The Range of the Double Fibration Transform 6th November 2011 in Berkeley
Lie Theory Workshop at the University of California, Berkeley
Complexes of Differential Operators 2nd November 2011 in Berkeley
Chern Centennial Conference at the Mathematical Sciences Research Institute, Berkeley
Complexes of Differential Operators 27th October 2011 in Canberra
Differential Geometry Seminar at the Australian National University
Some Remarks on Linear Elasticity 29th September 2011 in Wollongong
Talk in the Geometry and Topology Special Session at the 55th Annual Meeting of the Australian Mathematical Society at the University of Wollongong
Conformal Foliations and CR Geometry 21st July 2011 in Oxford
London Mathematical Society Meeting on Twistor Theory, Geometry, and Physics to mark the 80th Birthday of Sir Roger Penrose
Conformal Foliations and CR Geometry 11th July 2011 in Vienna
Workshop on Cartan Connections, Geometry of Homogeneous Spaces, and Dynamics at the International Erwin Schrödinger Institute (ESI)
The Range of the Double Fibration Transform 4th July 2011 in Leeds
Conference on Gauge Theory and Complex Geometry at the University of Leeds
The X-ray Transform on Projective Space 9th April 2011 in Fayetteville
Fifth talk in the Spring Lecture Series on Conformal Differential Geometry and its Interaction with Representation Theory at the University of Arkansas
Twistor Theory and the Harmonic Hull 8th April 2011 in Fayetteville
Fourth talk in the Spring Lecture Series on Conformal Differential Geometry and its Interaction with Representation Theory at the University of Arkansas
Higher Symmetries of the Laplacian 8th April 2011 in Fayetteville
Third talk in the Spring Lecture Series on Conformal Differential Geometry and its Interaction with Representation Theory at the University of Arkansas
Conformally Invariant Differential Operators 7th April 2011 in Fayetteville
Second talk in the Spring Lecture Series on Conformal Differential Geometry and its Interaction with Representation Theory at the University of Arkansas
Introduction to Conformal Differential Geometry 7th April 2011 in Fayetteville
First talk in the Spring Lecture Series on Conformal Differential Geometry and its Interaction with Representation Theory at the University of Arkansas
Conformal Foliations 5th April 2011 in Fayetteville
Colloquium at the University of Arkansas (rather different from the Nice talk with the same title)
Conformal Foliations 31st March 2011 in Nice
Seminar at the University of Nice
Twistor Theory and the Harmonic Hull 24th March 2011 in Canberra
Colloquium at the Australian National University
CR Geometry and Conformal Foliations 27th January 2011 in Kyoto
Workshop on Differential Systems and Hypersurface Theory at RIMS for the 60th Birthdays of Keizo Yamaguchi and Reiko Miyaoka
Invariant Differential Operators on the Sphere 9th December 2010 in Dunedin
Plenary talk at the NZMS Colloquium 2010 at the University of Otago
Invariant Differential Operators on the Sphere 8th November 2010 in Tokyo
Third talk in the Global Center of Excellence Program at the University of Tokyo
How to Recognise the Geodesics of a Metric Connection 5th November 2010 in Tokyo
Second talk in the Global Center of Excellence Program at the University of Tokyo
Twistor Theory and the Harmonic Hull 2nd November 2010 in Tokyo
First talk in the Global Center of Excellence Program at the University of Tokyo
Methods of Lie Theory and Geometry 22nd September 2010 in Krakow
Second pedagogical talk on Classification Problems in Conformal Geometry at the Conference Geometry and Physics in Cracow held at the Jagiellonian University
Introduction to Conformal Differential Geometry 21st September 2010 in Krakow
First pedagogical talk on Classification Problems in Conformal Geometry at the Conference Geometry and Physics in Cracow held at the Jagiellonian University
Representations from Contact Geometry 8th July 2010 in Banff
Workshop on the Exceptional Groups at Banff International Research Station
Twistor Theory and the Harmonic Hull 24th June 2010 in Bonn
Colloquium at the Max Planck Institute für Mathematik on the Occasion of the 60th Birthday of Alan Carey
Twistor Theory and the Harmonic Hull 24th May 2010 in Brisbane
Colloquium at the University of Queensland
Prolongation on Contact Manifolds I, II, and III 30th March, 1st April, and 2nd April 2010 in College Station
Talks in the Working Seminar in Geometry at Texas A&M University
Higher Symmetries of the Laplacian 25th March 2010 in College Station
Third in the Frontiers Lecture Series on Conformal Geometry and Twistor Theory at Texas A&M University
Twistor Theory and the Harmonic Hull 23rd March 2010 in College Station
Second in the Frontiers Lecture Series on Conformal Geometry and Twistor Theory at Texas A&M University
Introduction to Conformal Geometry 22nd March 2010 in College Station
First in the Frontiers Lecture Series on Conformal Geometry and Twistor Theory at Texas A&M University
Complex Methods 27th January 2010 in Berkeley
Fourth in a series on Representation Theory and the X-ray Transform at the University of California
The X-ray Transform on Projective Space 27th January 2010 in Berkeley
Third in a series on Representation Theory and the X-ray Transform at the University of California
Projective Differential Geometry 20th January 2010 in Berkeley
Second in a series on Representation Theory and the X-ray Transform at the University of California
Differential Geometry on Real and Complex Projective Space 20th January 2010 in Berkeley
First in a series on Representation Theory and the X-ray Transform at the University of California
Theorems Beginning with P 11th November 2009 in Armidale
Public Talk at University of New England
Complex Methods 10th November 2009 in Armidale
Fourth in a series on Representation Theory and the X-ray Transform during the Summer School on Integral Geometry and Imaging at the University of New England
The X-ray Transform on Projective Space 10th November 2009 in Armidale
Third in a series on Representation Theory and the X-ray Transform during the Summer School on Integral Geometry and Imaging at the University of New England
Projective Differential Geometry 9th November 2009 in Armidale
Second in a series on Representation Theory and the X-ray Transform during the Summer School on Integral Geometry and Imaging at the University of New England
Differential Geometry on Real and Complex Projective Space 9th November 2009 in Armidale
First in a series on Representation Theory and the X-ray Transform during the Summer School on Integral Geometry and Imaging at the University of New England
On Circles, Lines, and Spheres: Thinking Outside the Box 29th September 2009 in Adelaide
Talk at the Education Afternoon of the 53rd Annual Meeting of the Australian Mathematical Society at the University of South Australia
Re-inventing the Wheel: Differential Operators on the Sphere 28th September 2009 in Adelaide
Plenary Talk at the 53rd Annual Meeting of the Australian Mathematical Society at the University of South Australia
The Range of the Killing Operator on Projective Space 28th September 2009 in Adelaide
Talk in the Geometric Analysis Special Session at the 53rd Annual Meeting of the Australian Mathematical Society at the University of South Australia
Symmetries via Lie Algebra Cohomology 15th September 2009 in Sydney
Japanese-Australian Workshop on Real and Complex Singularities JARCS III at the University of Sydney
Untitled Talk 10th August 2009 in Tambara
Workshop on Integral Geometry and Group Representations at the Tambara Institute of Mathematical Sciences, University of Tokyo
The X-ray Transform on Complex Projective Space 7th August 2009 in Tambara
Workshop on Integral Geometry and Group Representations at the Tambara Institute of Mathematical Sciences, University of Tokyo
Integral Geometry on Complex Projective Space 6th July 2009 in Wuhan
International Conference on Several Complex Variables, Complex Geometry, and Partial Differential Equations at Wuhan University
Re-inventing the Wheel: Differential Operators on the Sphere 28th May 2009 in Canberra
Colloquium at the Australian National University
Theorems Beginning with P 13th May 2009 in Busan
Public Talk at Korea-Australia Analysis Forum 2009 (KAAF 2009)
Higher Symmetries of the Laplacian 11th May 2009 in Busan
Korea-Australia Analysis Forum 2009 (KAAF 2009)
How to Recognise the Geodesics of a Metric Connection 27th April 2009 in Seoul
Workshop on Geometric Structures and Equivalence Problems at the Korea Institute for Advanced Study
Re-inventing the Wheel: Differential Operators on the Sphere 24th April 2009 in Seoul
Colloquium at the Korea Institute for Advanced Study
Integral Geometry on Complex Projective Space 6th April 2009 in Göttingen
International Conference on Lie Groups, Representations and Conformal Geometry on the Occasion of the 60th Birthday of Bent Ørsted