About Me

I'm Darek Kłeczek, based in Warsaw. I currently work at Snowflake as AI/LLM Senior Research Scientist. Previously, I developed LLM applications and created courses for ML/LLM practitioners at Weights & Biases. Prior to that, I worked at P&G, where I applied ML across various domains, including supply chain, manufacturing, legal, and commercial use cases. I transitioned into ML mid-career through self-study, and used open source and Kaggle as my credentials. I trained and published the first Polish versions of BERT and GPT language models. On Kaggle, I recently became 4x Grandmaster (with top 27 rank globally in competitions category).

My Interests

My current research interests include fine-tuning LLMs, machine translation, synthetic data, clustering and automated business analytics. I'm also inspired by applications of AI to biology and drug discovery, and intend to study this more, while having very little domain knowledge now.

Non-ML

Outside of work, I enjoy spending time with my wife and 7-yo daughter, running and practising kung-fu.