Data labelling is a critical step in developing AI models, providing the foundation for accurate predictions and smart decision-making. Labelled data helps machine learning algorithms understand input data by assigning meaningful tags to raw data—such as images, text, or audio—ensuring that AI models can recognise patterns and make informed decisions.  AI models struggle to learn and perform tasks effectively without high-quality labelled data. Proper data labelling enhances model accuracy, reduces errors, and accelerates the time it takes to train AI systems. Whether you're working with natural language processing, image recognition, or predictive analytics, the success of your AI project hinges on the quality of your labelled data. In this episode, Henry Chen, Co-founder and COO of Sapien, speaks to Paulina Rios Maya about the importance of data labelling in training AI models.  Key Takeaways: Data labelling converts raw data into structured data that machine learning models can recognise.Reducing bias and ensuring data quality are critical challenges in data labelling.Expert human feedback plays a crucial role in improving the accuracy of AI training data and refining AI models. Chapters: 00:00 - Introduction and Background 01:07 - Data Labeling: Converting Raw Data into Useful Data 03:02 - Challenges in Data Labeling: Bias and Data Quality 07:46 - The Role of Expert Human Feedback 09:41 - Ethical Considerations and Compliance 11:09 - The Evolving Nature of AI Models and Continuous Improvement 14:50 - Strategies for Updating and Improving Training Data 17:12 - Conclusion