- Founder — ACL Special Interest Group on Financial and Economic Natural Language Processing (SIG-FinTech)
- Chair (Elected, 2026–2028) — ACL Special Interest Group on Financial and Economic Natural Language Processing (SIG-FinTech)
- Program Committee Co-Chair — NTCIR-18
- Guest Editor — ACM TWEB Special Issue: Financial Technology on the Web
- Publicity / Social Media Chair — SIGIR-2023
- Publicity Co-Chair — NTCIR-16
- Proceedings Chair — INLG-2024
- Proceedings Chair — INLG-2023
- Invited Participant — Dagstuhl Seminar 26461: Technology, Trust, Truth: The Role of Responsible AI in Combating Misinformation, Schloss Dagstuhl, Germany, 2026
- Workshop Organizer — Japan NLP-2026:「未来言語処理」ワークショップ
- Theme Track Proposer — Japan NLP-2023: 金融・経済ドメインのための言語処理
Leadership & Service
Workshop & Shared Task Organization
FinNLP — The Workshop on Financial Technology and Natural Language Processing 10 editions
- The 1st FinNLP, in conjunction with IJCAI-2019, Macao, China
- The 2nd FinNLP, in conjunction with IJCAI-PRICAI 2020, Yokohama, Japan
- The 3rd FinNLP, in conjunction with IJCAI-2021, Montreal, Canada
- The 4th FinNLP, in conjunction with EMNLP-2022 & IJCAI-ECAI-2022
- The 5th FinNLP, in conjunction with IJCAI-2023
- The 6th FinNLP, in conjunction with IJCNLP-AACL-2023
- The 7th FinNLP, in conjunction with LREC-COLING-2024
- The 8th FinNLP, in conjunction with IJCAI-2024
- The 9th FinNLP, in conjunction with COLING-2025
- The 10th FinNLP, in conjunction with EMNLP-2025
FinWeb — The Workshop on Financial Technology on the Web 3 editions
- The 1st FinWeb, in conjunction with The Web Conference 2021
- The 2nd FinWeb, in conjunction with The Web Conference 2022
- The 3rd FinWeb, in conjunction with The Web Conference 2023
FinArg — Fine-Grained Argument Understanding in Financial Analysis 3 tasks
- FinArg-1 (2023): Argument-Based Sentiment Analysis & Identifying Attack and Support Argumentative Relations in Social Media Discussion Threads
- FinArg-2 (2025): Temporal Inference of Financial Arguments
- FinArg-3 (2026): Argument Quality Assessment of Financial Forward-Looking Statements
FinNum — Fine-Grained Numeral Understanding in Financial Tweets 3 tasks
- FinNum-1 (2019): Numeral Understanding
- FinNum-2 (2020): Numeral Attachment
- FinNum-3 (2022): Investor's and Manager's Fine-Grained Claim Detection
Multilingual ESG & Promise Verification Shared Task Series 5 tasks
- Multi-Lingual ESG Issue Identification, 2023
- Multi-Lingual ESG Impact Type Identification, 2023
- Multi-Lingual ESG Impact Duration Inference, 2024
- PromiseEval: Multinational, Multilingual, Multi-Industry Promise Verification, SemEval-2025
- RegCom: Multinational, Multilingual, Multi-Industry Regulatory Compliance Checking, NTCIR-19 (2026)
- NumEval: Numeral-Aware Language Understanding and Generation, SemEval-2024
- The Workshop on Catch, Adapt, and Operate: Monitoring ML Models Under Drift (CAO), ICLR-2026
- The Workshop on Agent AI for Scenario Planning (AgentScen), IJCAI, 2024 & 2025
- Workshop on Information Retrieval for Accountability and Integrity (IRAI), ECIR-2026
- Agentic AI, Scenario Planning & Human-Agent Collaboration, Special Session @ HCII 2026
- Advances in Financial AI: Innovations, Risk, and Responsibility in the Era of LLMs, CIKM-2025
- The 10th Workshop on Argument Mining, in conjunction with EMNLP-2023
Program Committee & Reviewing
- External Grant Reviewer
- Senior Area Chair / Program Committee
- Area Chair
- Journal Reviewer
- Conference Reviewer
- Workshop Reviewer
Career History
Assistant Professor — National Institute of Informatics, Japan
Researcher — Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Japan
Visiting Researcher — Institute for Systems and Computer Engineering, Technology and Science (INESC TEC), Portugal
Visiting Researcher — Hitotsubashi University, Japan
Visiting Assistant Professor — National Institute of Informatics, Japan
Postdoctoral Researcher — MOST Joint Research Center for AI Technology and All Vista Healthcare, Taiwan
Lecturer — Dept. of Quantitative Finance, National Tsing Hua University, Taiwan
Collaborative Researcher — Knowledge and Information Research Team, Artificial Intelligence Research Center (AIRC), Japan
Intern — Digital Education Institute, Institute for Information Industry
Intern — Risk Management, KGI Securities
Intern — Treasury — Bond Investment Desk, Cathay United Bank
Intern — IT, Eyeball Capital
Intern — Sales, Industrial Bank of Taiwan Securities
Certificates
- Senior Securities Specialist
- Securities Investment Trust and Consulting Professionals
- Futures Specialist