Curriculum Vitae

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Basic Information

Nationality
Nationality Irish
Phone +33 01 69 08 83 77
Address Département d’Astrophysique, CEA Paris-Saclay, Orme des Merisiers, Building 709, F-91191 Gif-sur-Yvette, France
Aa
Languages English (Native), Spanish (Fluent), French (B2/C1), Italian (Basic)

Work Experience

Jan 2026 – Present

Commissariat à l’Énergie Atomique (CEA) Paris-Saclay, France

Research Director

Projects: Euclid, AstroDeep, TITAN, TOSCA, UNIONS · Management: Euclid OU-LE3 co-lead, 3x2pt Pipeline Group co-lead

Dec 2017 – Dec 2025

Commissariat à l’Énergie Atomique (CEA) Paris-Saclay, France

Staff Researcher

Projects: Euclid, ARGOS, AstroDeep, COSMIC, DEDALE, TITAN, TOSCA, UNIONS · Management: Euclid OU-LE3 WL co-lead, COMB-CL lead, 3x2pt Pipeline Group co-lead; ARGOS WP7 lead; COSMIC/UNIONS software maintainer

Oct 2015 – Nov 2017

Commissariat à l’Énergie Atomique (CEA) Paris-Saclay, France

Postdoctoral Researcher

Funding: DEDALE FET H2020 · Projects: DEDALE, Euclid · Lead developer: PySAP, ModOpt

Nov 2013 – Sep 2015

Osservatorio Astronomico di Trieste (INAF-OATS), Italy

Postdoctoral Researcher

Funding: ASI – Euclid · Projects: Euclid

Dec 2010 – Oct 2013

Institut de Ciències de L’Espai (ICE-IEEC), Spain

Postdoctoral Researcher

Funding: CosmoComp FP7 ITN Fellowship (Marie Curie Actions) · Projects: DES, Euclid, PAU

Education

Dec 2024

Université Paris-Saclay (UPS), France

Habilitation à Diriger des Recherches (HDR)

Thesis: “Advanced tools and software development for cosmology”

Oct 2007 – Nov 2010

University College London (UCL), UK

PhD in Astrophysics

Thesis: “Optical Detection of Galaxy Clusters”

Sep 2003 – Jun 2007

University College London (UCL), UK

MSci in Astrophysics — First Class

Thesis: “Finding Clusters with (10^6) Luminous Red Galaxies”

Sep 2002 – Jun 2003

Birkbeck College, University of London, UK

Foundation Degree in Mathematics and Physics — Distinction

Jan 1999 – Dec 2001

Liceo de Atenas, Costa Rica

International Baccalaureate Diploma — Distinction

Select Presentations

Dec 2025
Invited

University of Turin Seminar, Turin, Italy

Title: “Probing the Dark Universe with Euclid”

Sep 2025
Invited

ASTRODAT, Durham, UK

Title “Scientific Software Development”

May 2025
Invited

BDL3, Paris, France

Title: “Using Al to Probe the Invisible Universe”

Apr 2023
Invited

ADA X, Hersonissos, Greece

Title: “Scientific Software Development”

Apr 2023
Invited

ICDSS, Hefei, China

Title: “ShapePipe: Open source weak lensing for modern surveys”

Jul 2022
Talk

EuroPython, Dublin, Ireland

Title: “ShapePipe: A modular weak-lensing pipeline”

Sep 2021
Invited

Artificial Intelligence 2021 (remote)

Title: “Python Sparse data Analysis Package”

May 2021
Invited

Where the Earth Meets the Sky (remote)

Title: “Hands-On Image Processing with PySAP”

Nov 2020
Invited

ADASS XXX, Granada, Spain (remote)

Title: “PySAP: From Galaxies to Brains and Beyond

Sep 2019
Keynote

EuroScipy, Bilbao, Spain

Title: “From Galaxies to Brains! – Image processing with Python”

May 2017
Invited

Université Clermont Auvergne Seminar, Clermont-Ferrand, France

Title: “Regularisation techniques for solving inverse problems

Supervision

PhD Students
Jan 2026 - Present

Sammy Sharief

Co-supervised with François Lanusse and Tobias Liaudat

Oct 2023 – Present

Ezequiel Centofanti

Projects: ARGOS, Euclid · Thesis: “Machine learning methods for radio and optical imaging in astronomy” · Co-supervised with Jean-Luc Starck

Postdoctoral Researchers
Oct 2024 - Present

Emma Ayçoberry

Projects: ARGOS, Euclid

Oct 2024 - Present

Cail Daley

Projects: Eudlid, SPT, TOSCA, UNIONS · Co-supervised with Martin Kilbinger

Oct 2024 - Present

Calum Murray

Projects: Eudlid, UNIONS · Co-supervised with Martin Kilbinger

Feb 2022 – May 2024

Lucie Baumont

Projects: Euclid, Rubin LSST, UNIONS · Co-supervised with François Lanusse and Martin Kilbinger

Nov 2020 – Aug 2022

André Zamorano Vitorelli

Projects: Euclid, UNIONS · Co-supervised with François Lanusse and Martin Kilbinger

Research Engineers
Mar 2025 - Present

Chaitanya Chawak

Project: Euclid · Topic: Euclid OU-LE3 data model management and data-driven PSF model

Nov 2023 – Present

Nada Moukaddem

Project: Euclid · Topic: Euclid data-driven PSF model and cluster mass estimation

Nov 2022 – Present

Jennifer Pollack

Project: Euclid · Topic: PSF model integration into Euclid Science Ground Segment

Apr 2021 – Apr 2024

Sergio Miranda La Hera

Project: Euclid · Topic: Euclid OU-LE3 data model management and software

Master's Students
Apr 2026 - Sep 2026

Maxime Ronceray

Project: “Automatically Differentiable Image Simulations for Euclid” · Co-supervised with François Lanusse

Apr 2026 - Sep 2026

Vincent Brunet

Project: “Galaxy shape inference with machine learning methods” · Co-supervised with Emma Ayçoberry

Mar 2025 - Aug 2025

Manal Bensahli

Project: “Machine Learning for Radio Interferometric Array Design” · Co-supervised with Ezequiel Centofanti

Mar 2023 – Aug 2023

Alex Szapiro

Project: “Star Selection for PSF Modelling with Deep Learning”

Apr 2021 – Aug 2021

Olivier Roth

Project: “Unsupervised learning for galaxy cluster membership assignment” · Co-supervised with Joana Frontera Pons

Sep 2019 – Feb 2020

Sophie Starck

Project: “PySAP Software Development and Data Science”

Jul 2019 – Dec 2019

Joël Gehin

Project: “Euclid Data Processing”

Apr 2018 – Sep 2018

Alexandre Bruckert

Project: “Machine Learning and Image Deblending for Astrophysical Data”

Nov 2017 – Apr 2018

Hugo De Bouard

Project: “Déconvolution d’images de galaxies”

Jul 2017 – Dec 2017

Xinyu Wang

Project: “Identification of Blended Galaxy Images” · Co-supervised with Jean-Luc Starck

Apr 2017 – Sep 2017

Peipei Ran

Project: “Deconvolution of astrophysical images with space variant instrumental response” · Co-supervised with Jean-Luc Starck

Teaching

Jan 2023 - Present

UE PRAT M2 Master’s Course Sorbonne Université, Paris, France

Lecture: “A practical introduction to signal processing in astrophysics” (3.5h per year)

Aug 2023 - Present

École d’été Rodolphe Clédassou, France

Lecture: “Scientific Software Development for Euclid” (3h per year)

Jul 2021

EuroPython (remote)

Tutorial: “The Anatomy of a Python Class” (1.5 h)

Nov 2019

Euclid C++/Python workshop, Paris, France

Tutorials on Python and Make/CMake (10 h)

Sep 2019

EuroScipy, Bilbao, Spain

Tutorial on Astronomical Image Processing (1.5 h)

May 2018

ADAIX summer school, Valencia, Spain

Tutorial on Sparsity (5 h)

May 2016

ADA8 summer school, Chania, Greece

Tutorial on Sparsity (3 h)

Jan & May 2011

ICE, Barcelona, Spain

Lectures on cosmology for master’s students (5 h)

Oct 2008 – Apr 2010

UCL, London, UK

Marking: 1st Year Classical Mechanics, Thermodynamics, 3rd Year Practical Physics

Oct 2008 – Apr 2009

UCL, London, UK

Tutoring undergraduate Maths and Physics

Event Organisation

Jan 2026

Euclid OU-LE3 Meeting, Bologna, Italy

Role: SOC

Jun 2025

COLOURS, Orsay, France

Role: Primary organiser, SOC and LOC

May 2025

Euclid 3x2pt Meeting, Paris, France

Role: LOC

Jun 2024

Euclid Consortium Meeting, Rome, Italy

Role: SOC

May 2024

COSMO21 Conference, Chania, Greece

Role: LOC

Jan 2024

Euclid France Meeting, Saclay, France

Role: LOC

Sep 2023

ADA X Summer School, Hersonissos, Greece

Role: LOC

Mar 2023

DAp GPU Half-Day, Saclay, France

Role: SOC and LOC

May 2018

ADA IX Summer School, Valencia, Spain

Role: Primary organiser, SOC and LOC

May 2018

COSMO21 Conference, Valencia, Spain

Role: LOC

Community Activities

Ongoing

Peer Review: A&A, MNRAS, Computing in Science and Engineering

Apr 2024

PhD Jury — External vocal reviewer, Universitat Autònoma de Barcelona (Computer Science)

2018 – 2020

Project Review — Swiss National Science Foundation

Computing Skills

Programming
Python C/C++ TensorFlow Matlab/Octave IDL HTML CSS/SASS
Build & DevOps
Make CMake pyproject.toml GitHub Actions GitLab CI/CD Docker Singularity
HPC & Databases
MPI OpenMP PBS Slurm GPU Computing SQL
Machine Learning
Neural Networks CNNs SVMs
Distribution
PyPI Conda Homebrew
Docs & Testing
Sphinx Doxygen LaTeX PyTest Catch2

Observing

Sep 2007

Australian Astronomical Observatory (AAO)

Instruments: 3.9m telescope with the AAOmega spectrograph

Feb 2006

Observatoire de Haute-Provence (OHP)

Instruments: 1.52m + AURELIE spectrograph; 1.2m + CCD camera

Outreach

Dec 2015

Workshop on Galaxy Zoo at Les Savanturiers, France

Mar 2010

Demonstrator at Your Universe, UCL festival of astronomy, UK