Long is a second-year PhD student under the supervision of Prof. Min-Yen Kan, Prof. Kenji Kawaguchi, Dr. Nancy Chen, and Prof. Shafiq Joty. He is working on efficient reasoning and adaptation of LLMs. His works have contributed to: (1) Efficient LLM alignment (Probe sampling, NeurIPS’24); (2) Prompt understanding (FormatBiasEval, NAACL'25), design (Multi-expert Prompting, EMNLP'24; Chain-of-Opinion, COLING’25) and optimization (adv-ICL, ACL'24); (3) Multi-agent system (Multi-expert Prompting, EMNLP'24).