> geoffrey-ducournau — resume

Geoffrey Ducournau, PhD

R&D Researcher & AI Architect @ Dimtech

Research Affiliate @ Tsinghua University

Professional

Head of Research & Development

Dimtech Ltd

2024 – PresentTianjin & Paris

Leading a team of 5 researchers building data-driven AI solutions for financial institutions. Key projects include:

  • Multi-layered RAG AI pipeline for Treasury Middle Office at Doha Bank (on-premise LLMs, 100% data privacy)
  • AI Vision system for automated drought damage assessment at Eurexo-CED Group using YOLO and SAM3 distillation
  • End-to-end market making algorithm for The Group Securities on Qatar Stock Exchange
PythonAWSAzureDockerRAG-LLMYOLO-SAM3Automation

Quantitative Strategist

Dimtech Ltd

2021 – 2024Tianjin & Paris

Led development and implementation of systematic trading strategies from research and backtesting to production deployment.

  • Managed CTA strategies for institutional clients including Qube Research & Technologies and Bainbridge Partners LLP
  • Built systems to automate integration of client trading desks into our infrastructure
  • Efficient signal delivery with minimal latency and zero failover
PythonPostgreSQLDockerLinuxFastAPICTA

Quantitative Researcher – PhD Candidate (CIFRE)

Dimtech Ltd

2018 – 2021Tianjin & Paris

Industrial PhD (CIFRE) focusing on market microstructure theory and stochastic processes for quantitative trading.

  • Realized volatility estimation under microstructure noise and optimal execution strategies
  • Statistical frameworks for high-frequency data analysis including point process models for order flow dynamics
  • Signal processing through efficient volatility modeling and price impact estimation
PythonStochastic ProcessesVolatility ModelingHFTStatistical Inference

Investment Banking Analyst

Hywin Financial Holding Group

2016 – 2018Shanghai, China

Full-cycle M&A participation including the acquisition of a top 3 French tourism company.

  • Integration planning and post-closing deal execution for debt and equity investments
Financial ModelingM&ADue DiligenceExcelBloomberg