Since May 2022, I have given 42 presentations (22 invited and 20 contributed) at international conferences, workshops, mission collaborations, and institutional seminars.


2026

⭐⭐ Invited

Cosmology and Fundamental Physics with NewAthena: From Black Hole Growth to the Cosmological Expansion of the Universe to the Dark Matter Paradigm.
E1.18 Session at the COSPAR 2026 Scientific Assembly – Florence, Italy – August 2026
Representing NewAthena Science Working Group 6.

Probing supermassive black hole spin demographics from X-rays.
Special HEAD Session on “Chirps and Flashes: Converging on Black Hole Spin from GWs to X-rays” at the 248th AAS meeting – Pasadena, CA, USA – June 2026
Delivered by Prof. Christopher S. Reynolds on my behalf.

Resolving distant active galactic nuclei at fine spatial scales with strong gravitational lensing.
MIT Monday Afternoon talks, MIT Kavli Institute – Cambridge, MA, USA – May 2026

The spin demographics of active supermassive black holes from X-rays.
Black Hole Explorer AGN Demographics Science Working Group – Virtual – March 2026

Resolving cosmologically distant AGN at parsec scales with strong gravitational lensing.
UMBRELA Dialogues, Center for Astrophysics | Harvard & Smithsonian – Cambridge, MA, USA – March 2026

⭐ Contributed

An X-ray pathway to connecting PTA‑Inferred SMBH Mergers with LISA sources: Lensed AGN Structure and Spin Evolution.
Symposium 4 on “Preparing for multi-messenger observations with LISA and PTAs” at the European Astronomical Society 2026 Annual Meeting – Lausanne, Switzerland – July 2026

Chandra spectroscopy confirms the tightest-separation dual AGN in a gravitationally lensed radio-loud system at z = 3.23.
AGN, TDEs & QPEs session at the X-ray Universe 2026 – Elche, Spain – June 2026

Probing sub-kiloparsec X-ray structure in high-redshift AGN with strong gravitational lensing.
AGN, TDEs & QPEs session at the X-ray Universe 2026 – Elche, Spain – June 2026

2025

⭐⭐ Invited

Probing a quadruply-lensed quasar at z = 3.1 with a multi-wavelength approach.
J. Lin Dark Matter Group Meeting, Chinese University of Hong Kong – Virtual – December 2025

Colloquium: Probing fundamental physics with X-ray astronomy.
Universidad Nacional Autónoma de México, México – Virtual – October 2025

NewAthena advancements to Cosmology and Fundamental Physics.
NewAthena Splinter Session at the HEAD 2025 Meeting – St. Louis, Missouri – October 2025
Representing NewAthena Science Working Group 6.

A survey of supermassive black hole spins with the AXIS Deep Survey.
AXIS AGN Science Working Group – Virtual – May 2025

Using high-resolution X-ray spectroscopy to probe fundamental physics.
High Energy Astrophysics Seminar at NASA Goddard Space Flight Center – Greenbelt, MD, USA – January 2025

⭐ Contributed

Leveraging X-ray observations of lensed quasars to probe morphology at high-z.
High-z Group Meeting, Kavli Institute for Cosmology, University of Cambridge – Cambridge, UK – July 2025

Leveraging X-ray observations of lensed quasars to probe morphology at high-z.
Astrophysics Department Seminar, Imperial College London – London, UK – July 2025

Leveraging X-ray observations of quadruply-lensed quasars at high-z.
Symposium on lensing at the European Astronomical Society 2025 Annual Meeting – Cork, Ireland – June 2025

Probing axions with X-ray observations of active galactic nuclei.
ITC Luncheon, Center for Astrophysics | Harvard & Smithsonian – Cambridge, MA, USA – May 2025

Leveraging X-ray observations of lensed quasars for milliarcsecond X-ray astrometry.
Strong Lensing Workshop at the Center for Astrophysics | Harvard & Smithsonian – Cambridge, MA, USA – March 2025

Unveiling fundamental physics with high-resolution X-ray spectroscopy of AGN.
Dissertation Talk at the 245th Meeting of the American Astronomical Society – National Harbor, MD, USA – January 2025


2024

⭐⭐ Invited

Probing axion-like particles with X-ray spectra of active galactic nuclei.
Axion Journal Club, Oskar Klein Centre, Stockholm University – Stockholm, Sweden – June 2024

Using high-resolution X-ray spectroscopy to probe fundamental physics.
High Energy Astrophysics Seminar, Max Planck Institute for Extraterrestrial Physics – Garching, Germany – April 2024

Using high-resolution X-ray spectroscopy to probe fundamental physics.
High Energy Astrophysics Division Seminar, Center for Astrophysics | Harvard & Smithsonian, Cambridge, MA, USA – Virtual – March 2024

⭐ Contributed

Unveiling dark matter with Chandra.
“25 Years of Chandra” Conference – Boston, MA, USA – December 2024

Probing axion parameter space with X-ray observations of active galactic nuclei.
Dark Matter in Astrophysical Laboratories Workshop, Kavli Institute for Cosmology, University of Cambridge – Cambridge, UK – June 2024
Contributing speaker and invited panelist.


2023

⭐⭐ Invited

Constraining Physics Beyond the Standard Model with Athena.
NewAthena UK Science Community Annual Meeting – Edinburgh, UK – September 2023

Probing axion-like particles with quasar X-ray spectra.
Tea Talks, Kavli Institute for Astroparticle Physics and Cosmology, Stanford University, CA, USA – Virtual – December 2023

Current and future bounds on axion-like particles: prospects for STROBE-X.
STROBE-X Science Community Seminar – Virtual – May 2023

Current and future constraints on light axion-like particles: prospects for AXIS.
AXIS Science Community Seminar – Virtual – March 2023

New bounds on axion-like particles with Chandra observations of H1821+643.
Paul Murdin Prize Recipient Talk, Institute of Astronomy, University of Cambridge – Cambridge, UK – January 2023

⭐ Contributed

A Bayesian model for the observed distribution of supermassive black hole spins.
New Results in X-ray Astronomy UK 2023 Annual Conference – Edinburgh, UK – September 2023

Probing Physics Beyond the Standard Model with current and future X-ray observatories.
“Current & future telescopes symposium”, The X-ray Universe 2023 – Athens, Greece – June 2023

A Bayesian model for the observed distribution of supermassive black hole spins.
AGN symposium, The X-ray Universe 2023 – Athens, Greece – June 2023

Probing supermassive black hole spins from X-ray reflection spectroscopy.
Royal Astronomical Society Specialist Meeting on Supermassive Black Hole Binaries – London, UK – April 2023


2022

⭐⭐ Invited

Current and future constraints on light axion-like particles: prospects for LEM.
LEM Galaxies Science Working Group Seminar – Virtual – December 2022

Setting tight bounds on light axions with Chandra/Grating spectra of quasars.
Chandra/HETG Group Meeting, MIT Kavli Institute – Cambridge, MA, USA – October 2022

Setting tight bounds on light axions with Chandra observations of quasars.
High Energy Astrophysics Division Special Seminar, Center for Astrophysics | Harvard & Smithsonian – Cambridge, MA, USA – October 2022

Setting tight bounds on light axions with Chandra observations of quasars.
Astrophysics Colloquium, University of Maryland College Park – College Park, MD, USA – October 2022

⭐ Contributed

Probing Physics Beyond the Standard Model with current and future X-ray observatories.
3rd Scientific Conference Dedicated to the Athena Observatory – Barcelona, Spain – November 2022

Colloquium: Setting tight bounds on axions with X-ray observations of AGN.
“Recent Progress in Axion Theory and Experiment” Workshop, Institute for Particle Physics Phenomenology, University of Durham – Durham, UK – September 2022

New tight bounds on axion-like particles with X-ray observations of H1821+643.
Athena Symposium at European Astronomical Society 2022 Annual Meeting – Valencia, Spain – July 2022

A moderate spin for the high-mass supermassive black hole in H1821+643.
XMM-Newton Annual Conference, ESAC – Madrid, Spain – June 2022

A moderate spin for the high-mass supermassive black hole in H1821+643.
New Results in X-ray Astronomy UK 2022 Annual Conference – Leicester, UK – May 2022