Teaching

Princeton

• Spring 2025. COS484: Natural Langauge Processing, co-taught with Vikram Ramaswamy and Tri Dao (undergraduate)
• Fall 2024. COS597R: Deep Dive into Large Language Models, co-taught with Sanjeev Arora (graduate)
• Spring 2023. COS484: Natural Language Processing (undergraduate)
• Fall 2022. COS 597G: Understanding Large Language Models (graduate)
• Spring 2022. COS IW04: Hands-on Deep Learning for Language Understanding (undergraduate)
• Fall 2021. COS324: Introduction to Machine Learning, co-taught with Sanjeev Arora (undergraduate)
• Fall 2021. Junior Research Workshop, co-taught with Sanjeev Arora (undergraduate)
• Spring 2021. COS484: Natural Language Processing, co-taught with Karthik Narasimhan (undergraduate)
• Spring 2021. COS584: Advanced Natural Language Processing, co-taught with Karthik Narasimhan (graduate)
• Spring 2020. COS598C: Deep Learning for Natural Language Processing (graduate)
• Fall 2019. COS484: Natural Language Processing, co-taught with Karthik Narasimhan (undergraduate/graduate)

Tutorial

• ACL 2023. Retrieval-based Language Models and Applications, co-taught with Akari Asai, Sewon Min, and Zexuan Zhong
• ACL 2020. Open-Domain Question Answering, co-taught with Scott Wen-tau Yih

Past experiences

• Winter 2017. Head TA for CS224N: Natural Language Processing with Deep Learning, Stanford University, outstanding TA in Stanford CS.
• Fall 2015. Head TA for CS224N: Natural Language Processing, Stanford University
• Summer 2011. Teaching assistant for Java Program Design and Training, Tsinghua University
• 2008-2010. Lecturer at National Winter Camp in Informatics in China
• 2008. Tutor for Fundamentals of Programming, Tsinghua University

Service

Organizing committee

• Program chair for the 1st Conference on Language Modeling (COLM)
• Faculty advisor, NAACL 2022 Student Research Workshop
• Program chair for AKBC 2021.
• 3rd Machine Reading for Question Answering (MRQA) workshop at EMNLP 2021.
• Competition on Efficient Open-Domain Question Answering at NeurIPS 2020.
• 2nd Machine Reading for Question Answering (MRQA) workshop at EMNLP 2019.
• 1st Machine Reading for Question Answering (MRQA) workshop at ACL 2018.
• 6th Workshop on Automated Knowledge Base Construction (AKBC) at NIPS 2017.
• 5th Workshop on Automated Knowledge Base Construction (AKBC) at NAACL 2016.

Senior area chair/Area chair

• 2025: ACL (SAC, Machine Learning for NLP), ICML (SAC)
• 2024: ICML (SAC)
• 2023: ICLR (AC), NeurIPS (SAC)
• 2022: EMNLP (SAC, Question Answering)
• 2021: NAACL (SAC, Question Answering), ACL (AC, Sentence-level Semantics & Textual Inference), EMNLP (AC, Question Answering)
• 2020: EMNLP (AC, Question Answering), ACL (AC, Sentence-level Semantics), AKBC (AC, Question Answering and Reasoning), AACL (AC, Question Answering)
• 2019: EMNLP (AC, Question Answering, outstanding area chair)

Program committee/reviewer

• ACL, EMNLP, NAACL, NeurIPS (top reviewer in 2018), ICML (top reviewer in 2020), ICLR, AAAI, EACL, CoNLL, COLING, IJCNLP, *SEM and many other workshops
• ARR (senior action editor), TACL (standing reviewer), Computational Linguistics (standing reviewer)