Ruth Danielle Espinosa Española
@ruthdanielleespinosa
Data Scientist bridging hybrid quantum algorithms with practical power and optimization solutions.
What I'm looking for
I’m a recent M.S. Electrical Engineering graduate and Data Scientist with a strong foundation in power systems, automation, and technological innovation. I focus on applying Quantum AI to optimization problems where speed and computational bottlenecks matter most.
My work bridges hybrid quantum-classical algorithms with real engineering contexts, including power flow analysis and predictive analytics for energy systems. In my thesis, I explored “Hybrid Quantum Power Flow Analysis Using Variational Quantum and Classical Optimization,” grounding the approach in power flow equations.
I’ve proven impact through leadership and research output. As Team Lead and Top 10 finalist in the “QAI Ventures Global Hackathon Series 2025,” I guided a formulation inspired by VQLS and connected it to a quantum interpretation of the Markowitz quadratic model to improve computational efficiency.
Since 2023, I’ve also served as a Graduate Research Assistant at CYCU and contributed to publishable quantum-optimization research. I led “Performance Analysis of QUBO-translated Non-maximum Suppression for Object Detection,” reformulating NMS as a QUBO model, with results showing mAP convergence (~0.375) and a best inference time improvement of 92.35% over classical NMS. I thrive in interdisciplinary environments and stay adaptable to emerging quantum and AI techniques.
Experience
Work history, roles, and key accomplishments
Graduate Research Assistant
Chung Yuan Christian University
Jan 2023 - Present (3 years 2 months)
Conducted research on quantum-augmented trace optimization using QUBO formulations, publishing an IEEE paper on QUBO-based non-maximum suppression for object detection. Achieved best average inference time of 218 ms per image with a reported 92.35% improvement over classical NMS and mAP convergence around 0.375 across confidence thresholds.
Associate Data Scientist
Project STArQE
Oct 2025 - Mar 2026 (5 months)
Applied hybrid quantum-classical algorithms, including VQLS and the HHL algorithm, to model and assess energy grids while driving project milestones with supervisors.
Embedded Circuit Lab Intern
3M Philippines
Jan 2021 - Jan 2022 (1 year)
Designed and qualified medium-voltage wiring systems and conducted ETAP-based validation and field testing to support electrical system engineering tasks.
Team Lead - QAI Hackathon
QAI Ventures
Jan 2025 - Present (1 year 2 months)
Led an international team of five in the Portfolio Optimization Challenge, finishing in the Top 10 out of 24 teams. Developed a variational-quantum-inspired formulation combining VQLS and a quantum interpretation of the Markowitz model to improve computational efficiency.
Education
Degrees, certifications, and relevant coursework
Chung Yuan Christian University
Master of Science in Electrical Engineering, Electrical Engineering
Focused on Quantum AI, power flow analysis, and optimization methods. Thesis concept explored hybrid quantum power flow analysis using variational quantum and classical optimization.
Adamson University
Bachelor of Science in Electrical Engineering, Electrical Engineering
Studied Electrical Engineering and graduated as a recognized top student. Served as a leader for the Department of Electrical Engineering and Electrical Engineering Students’ Society.
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