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Juan Cruz-Benito

AI for Quantum Product Owner & Engineering Manager

IBM Quantum

Juan Cruz-Benito

Juan Cruz-Benito received a Ph.D. in Computing Engineering from the University of Salamanca, Spain, in 2018. Previously, he received an M.Sc. degree in Intelligent Systems, a B.Sc. in Computer Systems, and a Technical Engineering Degree in Computer Systems from the same university in 2013, 2012, and 2011. He is currently AI for Quantum Product Owner and Engineering Manager at IBM Quantum, where he holds IBM Master Inventor status. Before his current roles, he worked as Chapter Lead and Senior Software Engineer at IBM Quantum and IBM Research from 2018 to 2024 and as a researcher and developer from 2013 to 2018 at the GRIAL Research Group, University of Salamanca, Spain. As a researcher, he has participated in numerous international R&D projects. As a software engineer, he has been involved in projects used by millions of users and contributed significantly to Open Source initiatives and communities. His research interests span the convergence of Quantum Computing and Artificial Intelligence, Machine Learning, Human-Computer Interaction, and technologies for educational purposes. He has co-authored more than 80 publications and serves as a reviewer and board member for many highly-respected journals and conferences. His research activity led him to receive the 2019 Research Award “Scientific Computer Society of Spain and BBVA Foundation” as one of the six best young researchers in Computer Science in Spain.

Interests

  • AI for Quantum
  • Quantum + AI
  • Quantum Computing
  • Machine Learning
  • Artificial Intelligence
  • Human-Computer Interaction
  • Open Source

Education

  • PhD in Computer Engineering, 2018

    University of Salamanca, Spain

  • MEng in Intelligent Systems, 2013

    University of Salamanca, Spain

  • BSc Degree in Computer Engineering, 2012

    University of Salamanca, Spain

  • IT Systems Engineer, 2011

    University of Salamanca, Spain

Publications

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Posts

qiskit-ibm-transpiler Ranks #3 in Unitary Foundation 2025 Survey

The qiskit-ibm-transpiler library advanced to #3 in the Unitary Foundation 2025 Survey for full-stack development platforms, surpassing 929K downloads in under two years. AI transpiler passes now run in local mode without requiring an IBM Quantum premium plan.

David Peral García Successfully Defends His PhD Thesis on Quantum NLP

David Peral García successfully defended his PhD thesis on Quantum Natural Language Processing, representing likely the first PhD thesis in Spain dedicated to this emerging field. A proud moment as my first doctoral thesis as an advisor.

Keynote Speaker at Metafuturo 2025: Quantum Computing + AI Convergence

Thrilled to have been a keynote speaker at Metafuturo 2025, sharing insights on the convergence of Quantum Computing and AI. From LLMs and agentic AI applications for quantum computing to AI-optimized quantum circuits at IBM Quantum.

IEEE Quantum Week in Albuquerque: AI and Quantum Computing at IBM Quantum

Attending IEEE Quantum Week in Albuquerque, New Mexico, sharing IBM Quantum’s work at the intersection of AI and Quantum Computing. Presenting on QPU time prediction with ML, AI methods for quantum circuit optimization, and demoing AI-powered quantum development environments.

Quantum Verifiable Rewards for Post-Training Qiskit Code Assistant

Released a new paper on a novel approach to train AI models that can write better quantum code using Qiskit. The approach uses quantum verification at the core, smart training pipeline with DPO and GRPO, and real quantum feedback to ensure generated code works in practice.

Talks

AI for Qiskit. Hackathon starter pack

Technical presentation at the BasQ Qiskit Fall Fest 2025, a two-day quantum computing festival. This talk covers how AI can be applied to …

Bring useful quantum computing to the world

Metafuturo Bizkaia Quantum was a prominent quantum computing event held at the Palacio Euskalduna in Bilbao, Spain, bringing together …

¿Hay vida después del doctorado? / Is there life after the PhD?

In this talk, I returned to my alma mater, the University of Salamanca to share my journey with current PhD students. Speaking about my PhD …

What does an engineer like you do in a quantum place like this?

Quantum computing has the potential to be one of the next big things in computing. This talk will discuss how quantum computers work and …

Data-Driven Human-Computer Interaction: experimenting new user experiences using data

The goal of this talk was to present a real case in which we mixed UX + Design + ML + Research and discuss with the BBVA Design team what …

Awards & Accomplish­ments

IBM Master Inventor

The Master inventor recognition is given to employees who have mastered the patent process, mentored broadly, added value to IBM’s portfolio and demonstrated sustained innovation leadership and service. Every year, Master inventors are selected by IBM for their contributions.
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Qiskit Advocate

This badge earner has gathered a deep level of understanding with Qiskit including circuits, algorithms, simulators, qubits and noise. Through their contributions to the Qiskit and the quantum community, this individual has demonstrated an ability and commitment to educate and influence others by sharing ideas, knowledge and expertise in the field of quantum computing.
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Research Award: best young researchers in Computer Science in Spain

National Award to recognize me as one of the best six young researchers (less than 30 years old) in Computer Science in Spain.
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Cum Laude, International PhD

Best conference paper award

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Media

Oct 06, 2025. METAFUTURO Bizkaia Quantum - Primera jornada 2025

[ES] Mention in Atresmedia Metafuturo article. METAFUTURO Bizkaia Quantum - Primera jornada 2025

Sep 24, 2025. Juan Cruz-Benito en IBM Quantum señala el próximo gran reto del sector tecnológico: 'Queremos que todo el mundo sea parte de la tecnología cuántica'

[ES] Mention in Atresmedia Metafuturo article. Juan Cruz-Benito en IBM Quantum señala el próximo gran reto del sector tecnológico: 'Queremos que todo el mundo sea parte de la tecnología cuántica'

Feb 06, 2020. Cabalga El Cometa EP-18 "El grial de la computación cuántica con Juan Cruz-Benito"

[ES] Conversation and interview in the podcast Cabalga el Cometa by Marc Alier. We talk about Quantum Computing, AI, and tools for scientific research in an open-minded environment

Jan 24, 2020. "El español que democratizará la computación cuántica"

[ES] Interview in Spanish newspaper La Razón. Section Innovadores by Inndux. El español que democratizará la computación cuántica by Alberto Iglesias Fraga

Dec 17, 2019. "El catedrático de la UPNA Humberto Bustince recibe el Premio Nacional de Informática"

[ES] Mention in the press release El catedrático de la UPNA Humberto Bustince recibe el Premio Nacional de Informática, published by the media noticiasdenavarra.com. Mention related to the SCIE-BBVA award

Experience

 
 
 
 
 

AI for Quantum Product Owner

IBM Quantum

Jun 2024 – Present Spain / Remote
 
 
 
 
 

Software Engineering Manager

IBM Quantum

May 2023 – Present Spain / Remote
 
 
 
 
 

Data & Intelligence Chapter Lead

IBM Quantum

May 2023 – Jun 2024 Spain / Remote
 
 
 
 
 

Research Developer

IBM Quantum

Jan 2021 – May 2023 Spain / Remote
 
 
 
 
 

Senior Software Engineer (contractor)

IBM Quantum, IBM Research

Jan 2018 – Dec 2020 Yorktown Heights, NY, USA / Remote
 
 
 
 
 

Teaching assistant. Human-Computer Interaction

Computer Science Department. University of Salamanca

Jan 2017 – Jul 2017 Salamanca, Spain
 
 
 
 
 

Software engineer & researcher

GRIAL Research Group. University of Salamanca

Sep 2013 – Dec 2017 Salamanca, Spain
 
 
 
 
 

Software engineer

Service of Professional Insertion, Practices and Employment, University of Salamanca

Mar 2012 – Dec 2012 Salamanca, Spain
 
 
 
 
 

Intern. Testing Factory

Ingeniería de Software Avanzado (INSA)

May 2011 – Sep 2011 Salamanca, Spain

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