André Jonasson

André Jonasson is an experienced professional in the fields of artificial intelligence and machine learning, currently serving as a Research Engineer at Mistral AI since September 2025. Jonasson founded Annokvick in May 2021, focusing on research related to LLM activation outliers. Prior experience includes roles as a Senior AI/ML Engineer at MOSTLY AI, where responsibilities included developing no-code LLM fine-tuning products, and as a Machine Learning Specialist at Ocado Technology, where work involved building language models for customer service applications. Previous positions also include Data Scientist at Multitude, where expertise was applied to credit scoring and analytics, Research Assistant at Imperial College London, and Teaching Assistant at Princeton University. Jonasson holds a Master's degree in Operations Research and Financial Engineering from Princeton University and a Bachelor's degree in Physics with Theoretical Physics from Imperial College London, graduating with First Class Honours.