talks & presentations

Conference presentations, invited talks, and workshop contributions.

Conference Presentations

2025

  • Quantum ChemE 2025 (QChemE): Quantum Computing Applications in Chemical and Biochemical Engineering
    Evaluating the performance of quantum processing units (QPUs) at large width and depth
    QChemE 2025

  • TQCI (Teratec Quantum Computing Initiatives) Seminar
    Evaluating the performance of quantum processing units (QPUs) at large width and depth
    24–25 June 2025: seminar dedicated to benchmarks for quantum computers | TQCI Seminar

  • Quantum Computing User Forum
    Evaluating the performance of quantum processing units (QPUs) at large width and depth
    Oak Ridge Leadership Computing Facility (OLCF) | QC User Forum

  • Assessing Performance of Quantum Computers (APQC)
    Evaluating the performance of quantum processing units (QPUs) at large width and depth
    Sandia National Laboratories | APQC

  • III Congreso internacional y VI Nacional de Ingeniería Electromecánica (UPTC) (Keynote speaker)
    A Journey from electromechanical engineering to quantum computing
    29–31 October 2025 | Paipa, Boyacá, Colombia | Event page

2023

  • IEEE International Conference on Quantum Computing and Engineering (QCE)
    Improving Performance in Combinatorial Optimization Problems with Inequality Constraints
    Presentation on unbalanced penalization method

Workshops & Tutorials

2025

  • Use Cases Workshop 2025 (eleQtron & Jülich Supercomputing Centre)
    Optimization Problems: Going from Abstract to Applications
    01–02 October 2025 | Siegen | Workshop page

2024

  • Spring/Summer School on Quantum Computing (Forschungszentrum Jülich, QIP group)
    Invited lectures on QAOA, QPU evolution, and optimization; prepared two teaching notebooks: (i) quantum adiabatic algorithm for neutral atoms, (ii) QAOA for gate-based devices, including implementations on real hardware.

2024

  • PennyLane QML Demo Tutorial: Quadratic Unconstrained Binary Optimization (QUBO)
    Tutorial author | tutorial_QUBO

2023

  • Spring/Summer School on Quantum Computing (Forschungszentrum Jülich, QIP group)
    Two lectures on QAOA, QPU evolution, and optimization.

Quantum Computing Mentorship

  • IBM Qiskit Advocate Program (2021-2022)
    Mentored developers on Qiskit optimization applications

  • OpenQAOA Community
    Contributing tutorials and examples for quantum optimization

  • Qiskit Fall Fest
    Main organizer / responsible for Qiskit Fall Fest in Colombia (2021, 2022, 2023) and Latin America (2023) | Fall Fest Latino 2023

Hackathons & Competitions

Quantum Future Academy 2025 (Quantum.Amsterdam)

Hackathon “Quantum Computational Science and Engineering” (RWTH Aachen University)

  • Speaker + hackathon problem / use-case developer
    24–26 November 2023 | Quantum Hack

IBM Quantum Developer Conference (QDC) 2025

  • Overall Challenge Winner (Track B) - Team awarded by IBM VP of Quantum Algorithms Katie Pizzolato
  • Winner: Maximum Independent Set Problem
  • Winner: Quantum Approximate Multi-Objective Optimization (QAMOO)
    Team: Alejandro Montanez-Barrera (Forschungszentrum Jülich), Harshit Gupta (qBraid), Pablo Viñas Martinez (CSIC), Daniel Sierra-Sosa (Catholic University of America)
  • Work submitted to the Quantum Optimization Benchmarking Library (QOBLIB)
  • Read the IBM Quantum Blog Post

IBM Quantum Developer Conference (QDC) 2024

  • Winner: QDC24 Challenge

QHack 2023

QHack 2022

For talk requests or collaboration opportunities, please reach out via email or LinkedIn.