Andrew Le Breuilly is founder of Arrowstream Analytics and co-founder of Purify Intelligence, where he is Chief Product Officer. He specialises in survey data engineering and visualisation, helping organisations modernise their analytics workflows with Python, PostgreSQL, DuckDB and cloud-based platforms, alongside tools like Tableau and Power BI. Andrew is active in the survey computing community, helping to run ASC events and leading hands-on workshops on topics such as Python in Excel and AI in data pipelines. His focus is on making complex survey data accessible, reliable and ready for decision-making.