Guillaume Fournier
SocGen AI - CTO at Societe Generale
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolGuillaume Fournier is a seasoned engineering leader and AI-focused CTO with 11 years of experience in building production-grade systems and over two decades in finance technology. Currently leading SocGen AI, he has a deep track record at Société Générale driving R&D and data science for investment banking, transforming legacy pre-trade applications into cloud-native microservices and near-real-time pricing platforms. He combines quantitative engineering roots—authoring domain-specific pricing tools and automated equity derivatives engines—with hands-on people leadership across distributed teams. Known for turning AI and hype into shipped, scalable solutions, he blends architecture, cloud orchestration (Azure Batch/Storage, Service Fabric), and operational SLAs to deliver measurable business impact. Based in Paris and trained at École des Ponts, he brings a rare mix of quant domain expertise and pragmatic software delivery that bridges research, product and large-scale engineering. An understated strength is his ability to hire and develop global teams that sustain complex, latency-sensitive financial systems in production.
11 years of coding experience
6 years of employment as a software developer
Ingenieur, Ingenieur at Ecole Nationale des Ponts et Chaussées
English, French, German
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (81)
mozjpeg10
python10
quantile10
statistics10
stream10
large-files10
aws-sdk10
webhdfs10
sdk9
data-storage9
audio9
speech-processing9
vms9
huggingface9
speech9
Programming languages (3)
Github contributions (5)
societe-generale/aikit
Sep 2018 - Jan 2022
Automated machine learning package
Contributions:2 releases, 8 reviews, 65 commits in 3 years 5 months
pythondata-scienceautomated-machineautomated-machine-learningmachine-learning
gfournier/aikit
May 2019 - Mar 2023
Automated machine learning package
Contributions:2 PRs, 23 pushes, 8 branches in 3 years 10 months
pythondata-scienceautomated-machineautomated-machine-learningmachine-learning
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