Fanchao Qi

Founder & CEO, DeepLang AI

Beijing, CN.

About

PhD in Computer Science from Tsinghua University (2017), Founder and CEO of DeepLang AI since March 2022. Experienced NLP researcher with a strong publication record (30+ top-tier papers), funded startup valued at approximately USD 100 million. Expertise in generative AI products (e.g., WantWords, WantQuotes), NLP robustness, sememe knowledge bases, and adversarial text attacks.

Work

DeepLang AI (深言科技)

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Founder & Chief Executive Officer

Beijing, Beijing, China

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Summary

Founded DeepLang AI, an NLP startup incubated from Tsinghua University's THUNLP. Leading operations, product strategy and growth of consumer apps like WantWords and WantQuotes, and enterprise-grade text generation, retrieval, and categorization tools. Raised funding from investors including Sequoia China, InnoAngel Fund, MiraclePlus, achieving ~$100M valuation.

Highlights

Co-founded and serving as CEO since March 2022

Developed generative AI consumer products WantWords (reverse dictionary) and WantQuotes

Led company to ~$100 million valuation in recent funding round

Secured investment from Sequoia Capital China, InnoAngel Fund, MiraclePlus

Incubated from THUNLP, with Chief Scientist Maosong Sun

Beijing Academy of Artificial Intelligence (BAAI)

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Director, Innovation Center

Beijing, Beijing, China

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Summary

Directed innovation initiatives, fostering R&D and strategic collaboration in AI technologies.

Startimes Kenya

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Strategy Intern

Nairobi, , Kenya

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Summary

Contributed to strategic initiatives during short-term internship.

Bittiger

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Intern

Santa Clara, California, US

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Summary

Gained e‑learning product and platform experience.

Tencent

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Investment Analyst Intern

Shenzhen, Guangdong, China

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Summary

Assisted with data‑driven investment analysis.

Johns Hopkins University

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Research Intern

Baltimore, Maryland, US

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Summary

Conducted academic research supporting faculty projects.

Education

Tsinghua University

Beijing, Beijing, China
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Ph.D. Computer Science and Technology

Tsinghua University School of Economics and Management

Beijing, Beijing, China
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BBA Business Administration

Tsinghua University

Beijing, Beijing, China
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Bachelor of Engineering Information Science

National University of Singapore

Singapore, Central Region, Singapore
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Exchange / Summer Study Business & Electrical Engineering

Skills

Natural Language Processing

sememe prediction, reverse dictionary, adversarial attacks, text generation.

Machine Learning & Deep Learning

transformers, generative AI, model robustness, AIGC.

Product Management & Entrepreneurship

founder, startup operations, AI product strategy.

Research & Publications

ACL, EMNLP, AAAI, journal articles.

Open Source Development

OpenAttack, benchmark tools, documentation.