Executive Summary
Dr. Han Xiao is the Founder and CEO of Jina AI, a Berlin-based technology company specializing in open-source neural search, multimodal AI, and scalable embedding solutions. Recognized as an influential open-source evangelist and AI thought leader, Xiao is renowned for his hands-on technical vision, entrepreneurial acumen, and strong presence in global AI and open-source communities.
Professional Background
Current Role: CEO & Founder, Jina AI
- Position: Chief Executive Officer & Founder (2020–present)
- Company: Jina AI – Berlin, Germany
- LinkedIn: [Han Xiao](http://www.linkedin.com/in/hxiao87)
- Mission: Deliver an open-source neural search ecosystem supporting state-of-the-art AI applications, ranging from text, image, voice, and multimodal search to large-scale retrieval-augmented generation (RAG), leveraging robust embeddings and reranking models.
Previous Experience
- Tencent AI Lab (Shenzhen, China): Led the neural information retrieval team, building next-generation search infrastructure for WeChat, a widely used application in China.
- Zalando Research (Berlin, Germany): Senior Research Scientist (2014–2018), focused on distributed machine learning and data mining.
Education
- Ph.D., Computer Science – Technische Universität München, 2014
- M.Sc., Computer Science – Technische Universität München, 2011
Achievements & Thought Leadership
Company Growth & Fundraising
- Founded Jina AI in 2020; since then, has raised over $38 million in funding ([TechCrunch](https://techcrunch.com/2021/11/22/jina-ai-raises-30m-for-its-for-its-neural-search-platform/), [Eventible](https://www.eventible.com/speakers/profile/han-xiao-5916)), including a $30 million funding round in late 2021.
- Built Jina AI into a platform with an extensive open-source footprint, evidenced by 247+ public repositories, a large developer community, and strong advocacy within the AI open-source ecosystem.
Technical Innovations & Open Source
- jina-embeddings-v2 & v3: Led Jina AI to launch the world’s first open-source 8,192-token text embedding models ("jina-embeddings-v2" in 2023), directly rivaling proprietary offerings from leading AI companies ([Marktechpost](https://www.marktechpost.com/2023/11/01/jina-ai-introduces-jina-embeddings-v2-the-worlds-first-8k-open-source-text-embedding-models/), [Analytics India Mag](https://analyticsindiamag.com/ai-news-updates/jina-ai-launches-open-source-8k-text-embedding-rivalling-openai/)).
- DocumentArray: Pioneered this library for handling unstructured, multimodal data, now integrated with industry document stores (e.g., Weaviate).
- Prompt-based and embedding-based innovations: Jina’s 2023/2024 strategy has focused on these as dual pillars—reflected in technical yearbooks and product releases.
- Fashion-MNIST & bert-as-service: Xiao’s open-source projects have gained widespread adoption (listed among the most popular global AI projects in 2017–2018).
- DALL-E Flow: Developed human-in-the-loop AI workflows for high-definition text-to-image generation.
Industry Recognition
- Open Source Community Leadership: Active contributor to the Linux Foundation, program committee member for Open Source Summit North America (2023).
- Featured in "TensorFlow Titans: Best Developers in 2025," highlighting persistent involvement in deep learning frameworks and open-source tooling.
- Regular speaker, podcast guest, and interviewee at leading AI forums (AI Berlin, MIT Technology Review, Rise of AI, Weaviate Podcast, etc.).
- Media presence as an authority on multimodal AI, scalable search, and the intersection of open source & enterprise AI.
Product & R&D Focus
Jina AI’s flagship offerings under Han Xiao’s leadership:
- Neural/semantic search platforms: Cloud-native, open source, and designed for multimodal data (text, images, etc.). Emphasis on high performance, developer-friendliness, and rapid prototyping.
- Large-scale embedding models: Open-source alternatives for long-context (8K token and above) requirements, supporting retrieval-augmented generation and enterprise-scale use cases.
- Tools for developers: More than 247 open-source projects, including end-to-end pipelines for prompt engineering, embedding finetuning, and human-in-the-loop workflows.
- Active Research and Replication: Demonstrated capability to quickly replicate and release open-source versions of proprietary research (e.g., replicating OpenAI’s Deep Research within hours of release in February 2025).
Strategic Vision and Market Position
- Transformative Value Creation: Focused on using AI to generate business value via cost optimization and innovation acceleration.
- Open-Source First Approach: Positions Jina AI as a democratizing force in AI, lowering barriers for enterprises and the developer community.
- Multimodal & Multilingual: Products are designed to work across text, images, and other data types—recognized as an emerging imperative for next-gen enterprise AI.
- Technical & Commercial Agility: Proactive response to leading market trends is evident—e.g., adopting LLMs/RAG, scaling models for industrial performance, and supporting latest prompt/embedding techniques.
- Global Outreach: While headquartered in Berlin, Jina AI's work—mirroring Xiao’s career—straddles European and Chinese ecosystems. There are indications of possible US expansion due to regulatory reasons.
Selected Publications & Technical Content
A prolific writer and curator, Han Xiao has contributed to:
- Jina AI’s Yearbooks: Annual technical curations summarizing key models, achievements, and technical deep-dives (2024 yearbook: 14 flagship technical articles, 160+ pages).
- Peer-reviewed contributions: Publications and cited work in information retrieval, NLP, and AI (Google Scholar, arXiv, OpenReview).
- Industry Articles: Thought pieces on prompt engineering, AGI prospects, and practical R&D (e.g., insights into ColBERT, late interaction techniques, prompt/embedding scalability).
Notable Activities, Interests, and Engagement
- Community-building: Coordinates all-hands meetings, hackathons, and open community events to foster rapid collaboration and new project launches.
- Mentorship & Recruitment: Frequently posts about hiring research interns/fellows focused on embeddings, retrieval, and lightweight LLMs.
- Continuous Technical Visibility: Regularly publishes benchmarks, blog posts, and LinkedIn/X threads explaining AI concepts, industry trends, and practical deployment experiences.
Contact & Additional Profiles
- LinkedIn: [linkedin.com/in/hxiao87](http://www.linkedin.com/in/hxiao87)
- Personal Blog: [hanxiao.io](https://hanxiao.io/about/)
- Jina AI Website: [jina.ai](https://jina.ai/)
- Google Scholar: [Han Xiao](https://scholar.google.com/citations?user=jp7swwIAAAAJ&hl=en)
- OpenReview: [Han Xiao's profile](https://openreview.net/profile?id=~Han_Xiao8)
Key Takeaways for Strategic Outreach
- Dr. Han Xiao is an engineering-centric executive with hands-on technical orientation, proven open-source community leadership, and a commitment to transformative AI innovation.
- Jina AI is at the convergence of enterprise search, LLM-based retrieval, embeddings, and multimodal AI—actively competing with and responding to industry leaders.
- Xiao’s interests and strategy signal high receptivity to collaborations in AI infrastructure, enterprise RAG/developer tooling, open research, and AI democratization.
For engagement, frame value in terms of engineering excellence, technical partnership, R&D collaboration, and a mutual drive to push the boundaries of open, scalable, and real-world AI.