Mutian (Jack) Yu is a Summer Research Intern at the Energy & Environment Lab, where he is primarily working on the Global RCT project. He is a senior at Northwestern University, majoring in Data Science and Economics with a minor in Statistics. Jack is currently leading the development of an LLM-based tweet classification system critical to the GRCT project. Before joining the E&E Lab, he contributed to the GenomeOcean project, where he worked on developing machine learning methods to classify microorganisms. In his free time, he enjoys experimenting with new recipes and planning his next trip or adventure.