Yifei is a (𝓍-𝟤𝟢𝟤𝟥)-Year Ph.D. student in Computer and Information Science (CIS) at University of Pennsylvania. He is grateful to be advised by Prof. Mark Yatskar, affiliated with Penn NLP.
He has a broad interest in LLMs and multimodality, particularly their real-world applications in expert domains. He is especially focused on leveraging data-driven approaches and data synthesis for scalable inference and evaluation.
In the past, he has also worked with Prof. Lyle Ungar, Prof. João Sedoc, and Prof. Chris Callison-Burch, on fairness, reasoning, and zero-shot learning of NLP and multimodal. He TA'ed in ML / DL / NLP courses, and earned Outstanding Teaching Award. He has background in Computer Science, Mathematics, and Business.