Aretha Pierre developed a robust CSV reader for the fungover/breeze repository, focusing on scalable data ingestion and efficient memory usage. She implemented configurable parsing with support for custom delimiters, quote handling, and the ability to skip empty lines, enabling the reader to process data from strings, streams, and files. Leveraging Java Streams and the Builder Pattern, Aretha ensured that CSV rows could be mapped directly to custom objects, supporting large datasets through stream-based processing. She emphasized reliability by extending unit testing to cover edge cases, demonstrating depth in resource management and test coverage throughout the core data ingestion feature.