RESUME
Assistant Professor of Physics
2022-
City University of New York, NY, USA
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Cluster-filament interface (NSF funded)
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Evolution of dwarfs in their environment (LSSTC funded)
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Supervision of postdocs, graduate students and undergraduates
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Teaching of undergraduate courses in Physics
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Design and Teaching of graduate courses in Astrophysics
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Postdoctoral Fellow
2020-2022
Johns Hopkins University, MD, USA
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Predictions for JWST and preparation of Cycle 1 program
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Design of high-resolution simulation of clusters
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Study of dwarf satellites around simulated. analogs of local galaxies
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Supervision of students Madhani and Wroblewski
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Herschel Fellow
December 2018-2020
McMaster University, Ontario, Canada
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Work on satellites in groups and clusters
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exploration of conductions model for AMR code RAMSES
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supervision of students Kotecha and Zhou
Jim Buckee Fellow
November 2015-November 2018
ICRAR, University of Western Australia, Crawley, WA, Australia.
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Mocks for the SAMI and Hector IFS surveys
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Preparation of Hector Surveys
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Analysis of the cosmic web in large-volume simulations
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supervision of students Canas, Li, Qin and Hackett
PhD in Astrophysics
​2012 - 2015.
Sorbonne University, Paris, France
supervisors: Christophe Pichon and Julien Devriendt
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performing a numerical study of the comparative effect of wet and dry mergers on galactic morphologies
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performed the post-treatment and statistical analysis of a state-of-the-art AMR cosmological simulation run with RAMSES
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good theoretical training in galactic dynamics and constrained random fields generation.
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ASTR 77000/ PHYS 85200 - Galaxies
CUNY Graduate Centre, NY, USA
2023 -
Curriculum design and Instructor
PHYS 1441 - General Physics I
CUNY City Tech, NY, USA
2022- 2023
Instructor for lectures and labs.
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Miscelleanous courses in Astronomy
McMaster University, Ontario, Canada
2018-2020
Joint Humanities-Science courses, Inquiry-based learning courses in Astronomy
Teaching Assistant in Physics/ Adjunct Lecturer
Université Pierre et Marie Curie, Paris VI, Paris, France
Sept 2012 -Sept 2015
• Practical and training courses for Bachelor’s and Master’s students in Physics.
• Courses in optics, mechanics, wave mechanics, mathematics and computer science (Mathematica)
Agregation, Physics major
July, 2012
highly competitive higher education teaching award in physics
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Research
experience​
Teaching
Experience
Computational Skills
Fortran, Python, Yorick, IDL
Mathematica
Astro : RAMSES, MUSIC, MPGraphic, DisPerSe, HaloMaker,VelociRAPTOR
Languages
French : native
English: fluent
Spanish: Intermediate
Network
member of the ANR Spin(e)
member of the AAS
member of the SAMI survey
Hector survey design team
member of the VERTICO survey
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Education
PhD in Astrophysics
​2012 - 2015
Sorbonne University, Paris, France
supervisors: Christophe Pichon and Julien Devriendt
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Master of Science, (2 years) Theoretical Physics
​2009 - 2011
Ecole Normale Supérieure de Lyon, Lyon 69007, France
magna cum laude
Bachelor of Science, Physics
​2008 - 2009
Ecole Normale Supérieure de Lyon, Lyon 69007, France
magna cum laude
Classes preparatoires PCSI-PC*
2005 - 2008
(intensive preparation program to competitive entrance higher education schools)
Lycee Henri IV, Paris, FRANCE, 75005.
Admission to Ecole Normale Supérieure de Lyon and Ecole Polytechnique.
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“Mergers drive spin swings along the cosmic web” , C. Welker, Y. Dubois, J. Devriendt, C. Pichon, S. Peirani, MNRAS, 2014
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“Dancing in the Dark: galactic properties trace spin swings along the cosmic web” Y. Dubois, C. Pichon, C. Welker et al. accepted in MNRAS, 2014
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“The comparative effects of smooth accretion and dry and wet mergers on the galactic morphologies”, C. Welker et al., MNRAS, 2017
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"Caught in the rhythm: satellite galaxies in the galactic plane", MNRAS, 2018
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"The SAMI survey: first detection of spin alignments with cosmic filaments in the kinematics of galaxies," MNRAS, 2020
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"Cosmic Filaments delay quenching inside clusters", submitted to MNRAS, 2022 (co-lead with student Kotecha)