**
****2019***Moduli spaces, representation theory and quantization*

Research Institute for Mathematical Sciences, Kyoto, Japan, 24-28 June 2019 [conference webpage]

co-organised with: Pedram Hekmati, Takuro Mochizuki, Motohiko Mulase, Masa-Hiko Saito, Francesco Sala**2018***Character varieties and topological quantum field theories*

The University of Auckland, 17-20 December 2018 [conference webpage]

co-organised with: Pedram Hekmati, Vaughan Jones, Richard Wentworth

Co-organiser for AustMS 2018, 62nd Annual Meeting of the Australian Mathematical Society

The University of Adelaide, 4-7 December 2018 [conference webpage]

Special sessions organiser**2017**

IGA/AMSI workshop, *String Geometries and Dualities*

The University of Adelaide, 11-15 September 2017 [conference webpage]

co-organised with: Peter Bouwknegt, Guo Chuan Thiang, Mathai Varghese**2016**

IGA/AMSI workshop, *Topological Matter, Strings, K-theory and related areas*

The University of Adelaide, 26-30 September 2016 [conference webpage]

co-organised with: Peter Bouwknegt, Guo Chuan Thiang, Mathai Varghese

Simons Center for Geometry and Physics workshop, Stony Brook, New York*New perspectives on Higgs bundles, branes and quantization* [conference webpage]

June 13-17, 2016 co-organised with: Lara Anderson, Laura Schaposnik and Vivek Shende.**2016-ongoing**

Organiser of weekly graduate student seminar, the Basic Notions Seminar [seminar webpage]**2015**

American Institute of Mathematics Workshop, San Jose, California*New perspectives on spectral data for Higgs bundles* [conference webpage]

September 28 to October 2, 2015

co-organised with: Joergen Ellegaard Andersen, Philip Boalch, and Laura Schaposnik

IGA/AMSI workshop *Australia-Japan Geometry, Analysis and their Applications*

The University of Adelaide, 19-23 October 2015 [conference webpage]

co-organised with: Tsuyoshi Kato, Melissa Tacy, Guo Chuan Thiang, Mathai Varghese**2014-2015**

Organiser of weekly research seminar, the Strings Journal Club [webpage]

2014 geometric analysis and the Seiberg-Witten invariants

2015 semester 1: geometric quantisation

2015 semester 2: topics in K-theory and topological insulators**2013***Aspects of Finsler Geometry*, for the Institute for Geometry and Its Applications (IGA) [webpage]

Lectures by Professor Robert Bryant

Organiser of School of Mathematical Sciences colloquium at the University of Adelaide

**2021**

Gauge Theory Virtual, online seminar [webpage]

16 February*Tautological classes of definite 4-manifolds*Topology Seminar, University of California San Diego

5 May

Australian Geometric Topology Webinar [webpage]

7 July

Non-trivial smooth families of K3 surfaces

Topology Seminar, University of Melbourne

23 August

Tautological classes of definite 4-manifolds

Algebraic Geometry in Auckland [conference webpage]

16-20 December, 2019, The University of Auckland

AustMS 2018, 62nd Annual Meeting of the Australian Mathematical Society

The University of Adelaide, 4-7 December 2018 [conference webpage]

Geometry and Physics of Quantum Curves, Banff International Research Station,

September 9 - 14 [conference webpage]

Tau Functions of Integrable Systems and Their Applications, Banff International Research Station,

September 2 - 7 [conference webpage]

Index Theory and Applications to Positive Scalar Curvature and Related Areas

June 4 - 8 [conference webpage]

Conformal and Symplectic Geometry, The University of Auckland

February 5 - 9 [conference webpage]

Invited speaker at conference Gauge Theory and Higher Geometry,

The University of Adelaide, November 28 - December 1 [conference webpage]

Invited lecture series

September 26 - September 29 (4 lectures) [webpage]

Invited speaker at 2nd Australia-Japan conference on Geometry, Analysis and their Applications,

Kyoto University, January 30 - February 3 [conference webpage]

Invited speaker at conference Higgs bundles and related topics,

Laboratoire J.A DieudonnÃ©, Nice, 29 May - 2 June [conference webpage]

Invited speaker at conference Hitchin 70: Celebrating 30 years of Higgs bundles and 15 years of generalized geometry, ICMAT (Madrid), September 12-16 [conference webpage]

Invited speaker at conference Geometry, Topology and Dynamics of Moduli Spaces,

Institute for Mathematical Sciences, Singapore [conference webpage]

Invited speaker at conference Higgs bundles and Hitchin systems,

Bernoulli Center, Lausanne [conference webpage]

Geometry Seminar, University of Oxford

Invited speaker at IGA/AMSI workshop Symmetries and Spinors [conference webpage]

Invited speaker at conference on G2 manifolds, Simons Center, Stony Brook University, New York

Plenary speaker at Poisson 2014, University of Illinois at Urbana-Champaign [conference webpage]

Invited speaker at Geometry and Physics of Moduli Spaces,

ICMAT â€“ Institute of Mathematical Sciences, Madrid [conference webpage]

Senior speaker at GEAR (Geometric Structures and Representation Varieties) Junior Retreat,

University of Michigan [conference webpage]

Invited speaker, Integrable Systems and Geometric PDEs

National Taiwan University, Taiwan [conference webpage]

Principal speaker, Geometry and Physics 2012

University of Waterloo and Perimeter Institute for Theoretical Physics [conference webpage]

Lecture series, Geometry Retreat 2012 University of Toronto [conference webpage]

Lecture series by invitation from Professor Shing-Tung Yau, Tsinghua University, Beijing

Invited lecture, IGA/AMSI Workshop, Group-valued moment maps with applications to mathematics and physics, University of Adelaide [conference webpage]

Contributed talk, String-Math 2011, University of Pennsylvania [conference webpage]

Invited seminar, Tohoku University, Sendai

Algebra seminar, University of Sydney

Invited lecture, IGA Lecture Series, Introduction to Mirror Symmetry and the Fukaya Category,

University of Adelaide [conference webpage]

Collaborative workshop series on Integrability and Quantum Field Theory between the University of Melbourne and ANU (Jan-Jun 2010)

Invited lecture, New Currents in Geometry in Australia, University of Adelaide [conference website]

**2020**Differential geometry seminar, The University of Adelaide

Geometry and Topology seminar, University of Sydney

Differential geometry seminar, University of Adelaide

Differential geometry seminar, University of Adelaide

Differential geometry seminar, University of Adelaide

Differential geometry seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Differential geometry seminar, University of Adelaide

Strings seminar, University of Adelaide

Differential geometry seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Strings seminar, University of Adelaide

Differential geometry seminar, Australian National University

Differential geometry seminar, Australian National University

Collaborative workshop series on Integrability and Quantum Field Theory between the University of Melbourne and the Australian National University (Jan-Jun 2010)

Geometry and Analysis seminar, Oxford University

Geometry seminar, University of Queensland

Junior Geometry seminar, Oxford University

Junior Geometry seminar, Oxford University