Zach Drake enhanced data visualizations in the thezachdrake/UMD-INST627-Fall2024 repository, focusing on the inclass.ipynb notebook to improve clarity and consistency for course users. He addressed issues with year labels on the x-axis, refined plot titles, and standardized plot assignments, resulting in more readable and maintainable visual outputs. Using Python, Pandas, and Matplotlib within Jupyter Notebooks, Zach ensured that the data presentation better supported both students and instructors in interpreting course material. The work was delivered as a focused, traceable commit, reflecting a targeted approach to improving data storytelling without introducing new features or bug fixes.