# Juan Cruz-Benito

> Quantum+AI Manager at IBM Research. PhD in Computer Engineering (University of Salamanca, 2018). Works at the intersection of quantum computing, machine learning, and open source.

Juan Cruz-Benito researches and develops AI-based systems for quantum computing and other complex problems. His work spans quantum computing, machine learning, and open source software. He holds IBM Master Inventor status, has authored 80+ publications, and received the 2019 SCIE-BBVA Award for best young researcher in Computer Science in Spain.

## Key pages

- [About](https://cbjuan.github.io/): Bio, education, interests, and contact details.
- [Publications](https://cbjuan.github.io/publication/): 80+ peer-reviewed papers and articles on AI, quantum computing, and open source, going back to 2013.
- [Projects](https://cbjuan.github.io/project/): Open-source projects, including AI tooling for Qiskit.
- [Talks](https://cbjuan.github.io/talk/): Conference talks and invited lectures.

## Featured projects

- [Qiskit Code Assistant](https://cbjuan.github.io/project/qiskit-code-assistant/): Family of open-source LLMs (8B-24B) for quantum code generation, plus the Qiskit HumanEval benchmarks.
- [Qiskit MCP Servers](https://cbjuan.github.io/project/qiskit-mcp-servers/): Model Context Protocol (MCP) servers connecting AI assistants and agents to IBM Quantum services.
- [qiskit-ibm-transpiler](https://cbjuan.github.io/project/qiskit-ibm-transpiler/): AI-powered quantum circuit optimization library, ranked 3rd in the Unitary Foundation 2025 Survey with 929K+ downloads.
- [Qiskit Gym](https://cbjuan.github.io/project/qiskit-gym/): Reinforcement learning environments for quantum circuit synthesis.

## Contact & profiles

- [GitHub](https://github.com/cbjuan)
- [LinkedIn](https://www.linkedin.com/in/juancb/)
- [Google Scholar](https://scholar.google.es/citations?user=_mLnQPgAAAAJ)
- [ORCID](https://orcid.org/0000-0003-2045-8329)

## Optional

- [ResearchGate](https://www.researchgate.net/profile/Juan_Cruz-Benito)
- [Twitter/X](https://twitter.com/_juancb)
- [RSS feed](https://cbjuan.github.io/index.xml)
- [Sitemap](https://cbjuan.github.io/sitemap.xml)