Technical support to develop vector computing (NEC expertise) in the field of Geosciences. Collaborations with industrial and academic partners, porting and optimization of critical HPC applications on vector machines. Investigations on quantum annealing for Geosciences with the NEC simulator based on the QUBO formulation.Presented vector computing and quantum annealing solutions to prospects. Training sessions at CRIANN, computer center with a vector NEC cluster at Rouen, France.

Member of the EXPEC Advanced Research Center dedicated to Upstream technologies. Within the team HPC for Geophysics, I conducted R&D activities on algorithms for seismic modeling, imaging and inversion. I was involved in the development of GeoDrive, Saudi Aramco in-house platform for seismic applications (C++, OpenMP, MPI & CUDA), with a focus on numerical methods and HPC.Participated in numerous collaborations with external entities: with KAUST university on temporal cache blocking for… Show more Member of the EXPEC Advanced Research Center dedicated to Upstream technologies. Within the team HPC for Geophysics, I conducted R&D activities on algorithms for seismic modeling, imaging and inversion. I was involved in the development of GeoDrive, Saudi Aramco in-house platform for seismic applications (C++, OpenMP, MPI & CUDA), with a focus on numerical methods and HPC.Participated in numerous collaborations with external entities: with KAUST university on temporal cache blocking for finite-difference and with HPC manufacturers AMD, ARM, Fujitsu, Intel, NEC & NVIDIA in co-design projects aiming to leverage the benefits of hardware for seismic applications.For 2 years, led a task force on 4th Industrial Revolution to promote internally usage of Simulation and HPC. Main contributor of the open-source project HPCscan. A versatile tool to benchmark various hardware for scientific computing workload: https://github.com/vetienne74/hpcscan Show less

Methodological developments and applications towards seismic modeling and full waveform inversion in acoustic and elastic media. Main developer of the project for 3D applications (design, implementation, maintenance, documentation, technical support for sponsors of the consortium). Design of the inversion code GeoInv3D (Fortran, MPI) - Specific developments for HPC platforms (IBM Blue Gene) - Application of 3D full waveform inversion to field data (Valhall, North Sea).Consultancy on… Show more Methodological developments and applications towards seismic modeling and full waveform inversion in acoustic and elastic media. Main developer of the project for 3D applications (design, implementation, maintenance, documentation, technical support for sponsors of the consortium). Design of the inversion code GeoInv3D (Fortran, MPI) - Specific developments for HPC platforms (IBM Blue Gene) - Application of 3D full waveform inversion to field data (Valhall, North Sea).Consultancy on full waveform inversion for Saudi Aramco (July 2012, 1 month), Saudi Arabia. Training on seismic modeling & full waveform inversion for Petrobras (Dec. 2012,15 days), Brazil. Show less

Subject: Seismic wave modeling with discontinuous finite-element and full waveform inversion in 3D elastic media. Supervisors: Stéphane Operto & Jean Virieux from the industrial consortium SEISCOPE. I developed innovative numerical methods suitable to large scale earth models and HPC platforms. Design of the modelling code GeoDG3D (Fortran/MPI) and various applications (sedimentary basins, volcanoes) – Participation to E2VP project (CEA Cadarache) on earthquake risk assesment.

Design and implementation of the search engine of the European Patent Office (Netherlands). Developments on the platform IBM MVS (C language).

Administrator of the information system of the embassy and affiliated services – Webmaster - Member of the cryptographic communication service - Technical support for cooperation projects.

IBM MVS Mainframe consultant for Amadeus, leader of global travel reservation systems. Developments on the platform IBM MVS (C language).

IBM MVS Mainframe consultant for the mobile phone operator Cégétel. Developments on the platform IBM MVS (Cobol, CICS, DB2).

Cultural attaché at the embassy. Organisation of events (exhibitions, seminars, concerts, workshops).