Modern data science demands a comprehensive skill set, where tools like CUDA, Scikit, and PyTorch are now basic requirements, and the real challenge lies in managing complex systems involving real-time data pipelines and distributed computing. This often results in promising models languishing as they await engineering resources to move into production. Chalk addresses this by allowing data scientists to conduct experiments and deploy models directly from Jupyter notebooks, bypassing traditional workflows that require code translation into production languages. This is achieved using a Symbolic Python Interpreter that runs Python code natively with minimal latency, enabling seamless integration, testing, and iteration. Chalk’s branching system facilitates testing against live data without disrupting production, while its features ensure temporal consistency and easy backfilling, allowing rapid deployment and integration with existing ML infrastructures. Moreover, Chalk's native Iceberg integration allows dataset sharing across teams, ensuring uniform data access and enhancing collaboration across an organization.