Kyriacos Xanthos

Machine Learning Engineer — Founding Engineer at Piramidal

Brooklyn, New York

Experience

Founding Engineer — Piramidal (YC W24)

Nov 2024 – Present

New York

  • Pretrained and fine-tuned custom neural-network foundation models for EEG brainwave data for neurological diagnostics, specializing in seizure detection.
  • Directed clinical validation and statistical strategy for FDA regulatory clearance.

AI Engineer II — IQVIA

Nov 2022 – Nov 2024

London

  • Led development of a production xAI library using SHAP values to explain disease-detection ML models, with rigorous CI/CD pipelines and release cycles.
  • Deployed predictive models for client-facing disease detection, forecasting patient health trajectories from medication history and hospital admissions.
  • Architected agentic LLM solutions with RAG, building interfaces for plain-language querying of complex nested data.

Machine Learning Researcher — Caltech

Mar – Aug 2020

Pasadena

  • Built a deep-learning model for particle classification and momentum regression in the CMS detector with the Caltech LHC group (supervisor: Maria Spiropulu).
  • Trained models on archival data, reaching 97% accuracy classifying particle flavor.

Transport Modeller Intern — Mott MacDonald

May – Jul 2019

London

  • Built highway transport models for Heathrow airport access from traffic simulations.

Education

Imperial College London

Sep 2021 – Oct 2022

MSc Statistics (Data Science), Distinction

University of Edinburgh

Sep 2017 – Jun 2021

BSc Mathematical Physics, First Class Honours

Ranked 2nd in class

California Institute of Technology

Sep 2019 – Jun 2020

Physics Exchange Year

GPA 3.5/4

Skills

Languages
Python (proficient) Spark SQL C C++ (working knowledge)
Tools
PyTorch Arrow Docker Jenkins AWS HuggingFace LlamaIndex

Awards

  • 2024 IQVIA Global Hackathon, 1st prize (forecasting NHS drug spend volumes)
  • 2022 Winton Capital Data Challenge, 2nd prize (ML song classification)
  • 2019 Physics Certificate of Merit
  • 2016 DofE Gold Award
  • 2015 Lifeguard Certification (Silver)