Jasper Hajonides

Head of AI & Data Science | Biodiversity & Finance | PhD Oxford University

London, England, United Kingdom

About

Pushing the boundaries of Generative AI and finding novel applications in a rapidly developing field. With a background that includes Neuroscience, Biology, LLMs, I’m highly interested in applying computational theory and practical developments across disciplines.

Experience

  • Head of AI at NatureAlpha
    May 2024 - Present · 2 yrs 3 mos

    Innovating LLM-based agentic frameworks and interpreting foundation model form and function for Nature data. - Leading data science strategy for a sustainable FinTech company, steering a team using the latest advances in a rapidly evolving AI landscape. - Combining state-of-the-art LLM models and agentic frameworks for AI driven data extraction and verification. - Optimising financial portfolios to adjust for nature-related risk. - Training multi-modal foundation models combining geospatial data with natural language. (huggingface, pytorch)

  • dunnhumby (London, England, United Kingdom · Hybrid)
    • Senior Research Data Scientist
      Sep 2023 - May 2024 · 9 mos

      - Training and fine tuning large language models (GPT, BERT, T5, LangChain, with LoRA models) using quantisation and multi-GPU setups in Google Cloud. - Shaping the GenAI strategy for the global data science team -Rapid development of front-end interfaces to bring the developed science to life. - Developing optimisation packages using OR Tools and non-linear algorithms.

    • Research Data Scientist
      Jan 2022 - Sep 2023 · 1 yr 9 mos

      Generating data science solutions for retail business problems. Using python and Gitlab to create productionisable packages and collaborate with users and clients to optimise existing products. - Designing and training LLM on a custom dataset using PyTorch and Huggingface - Optimising distributed GPU processing - Developing and productionising machine learning, network analysis, and NLP packages using Python, Pyspark, SQL, and Git - Awarded the annual global data science award 2023 for innovation for a project on training transformer models from scratch using retail data.

  • S2DS Fellow at Pivigo
    Aug 2021 - Sep 2021 · 2 mos

    Science to Data Science This is an intensive 5 week data science workshop designed to assist academic researchers transfer their skills to data science. During the programme I worked in a group of five on a project with Pivigo. The aim was to analyse their data with a variety of machine learning and natural language processing techniques to extract non-traditional metrics from company reports using natural language processing (NLP).

  • Research Scientist at Donders Institute for Brain, Cognition and Behaviour
    Jan 2016 - Nov 2016 · 11 mos

    Designing and leading a major neuroimaging study and handling responsibilities beyond my training level. Processed time series data and applied machine learning to characterise cognitive and visual processing in neural data.

  • Undergraduate Research Assistant at University of Oxford
    Sep 2014 - Aug 2015 · 1 yr

    Using questionnaire data and memory performance to investigate how mood and ageing influences behaviour. - Published research in peer reviewed journal (Published as Mok, Hajonides et al, 2019 Emotion) - Selected as a national top-five undergraduate thesis in biological sciences