Thibaut Vidal, a professor at Polytechnique Montreal, specializes in using advanced algorithms and machine learning for supply chain optimization. He discusses how graph-based methods can revolutionize logistics by improving routing and decision-making. The conversation highlights the effectiveness of Graph Neural Networks in predicting delivery costs for companies like UPS and Amazon. Thibaut also emphasizes the potential of these advanced techniques to cut costs, enhance efficiency, and create better working conditions through smarter route planning.