Santiago F. Scagliusi

Assistant Professor of Electronics Engineering
University of Seville & IMSE-CNM-CSIC

01Profile

Assistant Professor of Electronics Engineering at the University of Seville (PhD, 2024). My research is on wearable bioimpedance devices for monitoring heart-failure patients, including VOLUM, a wearable that estimates fluid build-up in the legs; the work covers electrode characterization, PCB design, embedded firmware and data analysis. Fulbright predoctoral researcher at Swarthmore College (2022). I teach microcontrollers, computer architecture and the Electromedicine Lab.

02Education

Oct 2020 – Jun 2024

PhD in Electronics Technology

University of Seville (Spain)

Thesis: design of a wearable device for continuous bioimpedance monitoring in congestive heart failure patients.

Oct 2019 – Sep 2020

Master's Degree in Biomedical Engineering and Digital Health

University of Seville (Spain)

Sep 2014 – Oct 2019

Double BSc. in Electrical Engineering and Industry Electronics Engineering

University of Seville (Spain)

03Work experience

2023/10 – Present

Assistant Professor in Electronics Engineering (Tenure-track)

University of Seville, Seville, Spain

  • Teach MSP430 Assembly, Embedded Systems, and Computer Architecture to 220+ undergraduate students
  • Built and deployed a full MSP430 instruction set simulator as a web app, using AI-assisted development (Claude Code) to accelerate UI prototyping while personally designing the instruction decoder, memory model, and step-by-step execution engine
  • Integrate AI-powered tools, Notion pages, and fine-tuned LLM chatbots
  • Conduct Electromedicine Lab (2nd year) focusing on applied research
  • Produce short-form educational content on electronics with 50K+ audience across social media
2025/06 – 2025/11

PCB Design Consultant

PBSCO (Photobooth Company), California, United States (Remote)

  • Designed a high-current (25A) power distribution PCB with an integrated USB 3.0 hub for a commercial iPad-controlled LED lighting system
  • Handled full schematic capture, component selection, layout, and manufacturing coordination over an 8-month engagement
  • Managed mixed-domain design challenges on a single board: USB 3.0 signal integrity (impedance-matched differential pairs), high-current power delivery (thermal management, copper pours, sense resistors), and digital control logic
2023/07 – 2023/10

Technical Lead - Electronics

Biothink, Seville, Spain

  • Implemented filtering algorithms for NTC temperature reading system, achieving 10% reduction in measurement errors
  • Addressed and resolved design flaws in multi-microcontroller PCBs
  • Enhanced device usability through web interface design using HTML, CSS, JavaScript, and Python on Raspberry Pi
2021/01 – 2023/07

Researcher in Electronic and Biomedical Engineering

University of Seville and Institute of Microelectronics, Seville, Spain

  • Developed VOLUM, a miniaturized wearable for continuous 24/7 hydration monitoring in heart failure patients
  • Engineered hardware and software: circuit analysis, PCB design, microcontroller programming, app development, and data analysis
  • Achieved 1% error rate in measuring electrical models of ankle tissue
  • Secured €20,000 from entrepreneurship awards for prototype development and spin-off launch
2022/09 – 2023/05

Fulbright Scholar, Predoctoral Research in Biomedical Engineering

Swarthmore College, Pennsylvania, United States

  • Identified and studied a low-frequency artifact in bioimpedance measurements caused by electrode mismatch
  • Characterized measurement errors of up to 90% that had not been documented before
  • Developed a measurement method reducing the error to less than 2% in simulations and electronic models
  • Optimized data acquisition and analysis using Nordic NRF52 and Matlab

04Publications

  1. Bioimpedance Spectroscopy-Based Edema Supervision Wearable System for Noninvasive Monitoring of Heart FailureSantiago Fernández Scagliusi, Luis Giménez Miranda, Pablo Pérez García, Daniel Martín Fernández, Francisco Javier Medrano Ortega, Gloria Huertas Sánchez, Alberto Yúfera García · 2023IEEE Transactions on Instrumentation and MeasurementDOI 10.1109/TIM.2023.3273662
    IEEE TIM
  2. Body posture determination for Heart Failure patients from ankle orientation measurementsSantiago Fernández Scagliusi, Pablo Pérez García, Andreea Oprescu, Daniel Martín Fernández, Alberto Olmo Fernández, Gloria Huertas Sánchez, Alberto Yúfera García · 2023IEEE AccessDOI 10.1109/ACCESS.2023.3261554
    IEEE Access
  3. From Bioimpedance to Volume Estimation: A Model for Edema Calculus in Human LegsSantiago Fernández Scagliusi, Luis Giménez Miranda, Pablo Pérez García, Daniel Martín Fernández, Alberto Olmo Fernández, Gloria Huertas Sánchez, Francisco Javier Medrano Ortega, Alberto Yúfera García · 2023MDPI ElectronicsDOI 10.3390/electronics12061383
    Electronics
  4. A Novel Wearable Device for Continuous Bioimpedance Monitoring in Congestive Heart Failure PatientsSantiago Fernández Scagliusi, Maggie Delano, Pablo Pérez, Daniel Martín, Gloria Huertas, Alberto Olmo, Alberto Yúfera · 202316th International Workshop on Impedance Spectroscopy (IWIS)DOI 10.1109/IWIS61214.2023.10302805
    IWIS
  5. Enhancing the Precision of AD5940 Segmental Bioimpedance Measurements through Self-CalibrationSantiago Fernández Scagliusi, Pablo Pérez, Daniel Martín, Gloria Huertas, Alberto Olmo, Alberto Yúfera, Maggie Delano · 2023IEEE Biosensors ConferenceDOI 10.1109/BioSensors58001.2023.10280870
    BioSensors
  6. Characterization and Correction of Low Frequency Artifacts in Segmental Bioimpedance MeasurementsSantiago Fernández Scagliusi, Maggie Delano · 2023Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)DOI 10.1109/EMBC40787.2023.10340666
    EMBC
  7. Bioimpedance Simulations for the Monitoring of Fluid Overload in Heart Failure PatientsAlejandro Pliego Prenda, Alberto Olmo Fernández, Alberto Yúfera García, Santiago Fernández Scagliusi, Pablo Pérez García, Gloria Huertas Sánchez · 2023Proceedings of the 16th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2023)DOI 10.5220/0011744700003414
    BIOSTEC
  8. DC electrical stimulation enhances proliferation and differentiation on N2a and MC3T3 cell linesDaniel Martín Fernández, Jesús Bocio Núñez, Santiago Fernández Scagliusi, Pablo Pérez García, Gloria Huertas Sánchez, Alberto Yúfera García, Mercè Giner García, Paula Daza Navarro · 2022Journal of Biological EngineeringDOI 10.1186/s13036-022-00306-8
    J. Biol. Eng.
  9. Oscillation-Based Spectroscopy for Cell-Culture MonitorizationPablo Pérez García, Juan A. Serrano-Viseas, Santiago Fernández Scagliusi, Daniel Martín-Fernández, Gloria Huertas Sánchez, Alberto Yúfera García · 2022Frontiers in ElectronicsDOI 10.3389/felec.2022.836669
    Front. Elec.
  10. A low power approach to body position estimation for HF patient monitoring by an ankle positioned Inertial Measurement Unit (IMU)Santiago Fernández Scagliusi, Daniel Martín Fernández, Pablo Pérez García, Gloria Huertas Sánchez, Francisco Javier Medrano Ortega, Alberto Yúfera García · 202237th Conference on Design of Circuits and Integrated Systems (DCIS)DOI 10.1109/DCIS55711.2022.9970113
    DCIS
  11. A Plethysmography Capacitive Sensor for Real-Time Monitoring of Volume Changes in Acute Heart FailureEnrique Rando Carrión, Pablo Pérez García, Santiago Fernández Scagliusi, Francisco Javier Medrano Ortega, Gloria Huertas Sánchez, Alberto Yúfera García · 2021IEEE Transactions on Instrumentation and MeasurementDOI 10.1109/TIM.2021.3091483
    IEEE TIM
  12. Modeling Edema Evolution with Electrical Bioimpedance: Application to Heart Fail PatientsMartín Puertas, Luis Giménez Miranda, Ana Pérez Polo, Santiago Fernández Scagliusi, Pablo Pérez García, Alberto Olmo Fernández, Gloria Huertas Sánchez, Alberto Yúfera García, Francisco Javier Medrano Ortega · 20212021 XXXVI Conference on Design of Circuits and Integrated Systems (DCIS)DOI 10.1109/DCIS53048.2021.9666158
    DCIS

05Awards and honors

2025

1st Place in Pfizer Innomakers4Health

Pfizer and Wayra (Telefonica)

2024

Best Researcher Under 30 in Experimental Sciences in Seville

City Council of Seville

2024

1st Place in HackForGood Spain

HackForGood Spain

2024

Nodal Award (Shark Tank Edition)

IMFAHE Excellence in Entrepreneurship and Innovation International Program

2023

1st Place in Three Minute Thesis Competition (3MT®)

International Doctorate School

2023

Best Paper Award in 16th International Workshop on Impedance Spectroscopy

Chemnitz University of Technology

2022

Fulbright Predoctoral Research Grant

Fulbright Commission

2021

1st Place in XVI Entrepreneurship Ideas Competition

University of Seville

2021

1st Place in II University Spin-offs Competition

University of Seville

2021

Finalist (Top 5) Product and Business Model Development

European Innovation Academy

2020

Best Master's Thesis in Biomedical Engineering

Telefonica Spain

06Technical skills

Bioimpedance

Electrode characterization, error reduction, wearable device integration, measurements in electronic lab setting and in hospital inpatients.

Hardware design

PCB design (KiCad, Altium, Fusion 360), high-current power boards (up to 25A), USB 3.0 hubs and signal integrity, circuit simulation (LTspice), 4-layer mixed-signal PCB prototyping, microcontroller integration (STM32, NRF52, MSP430), soldering and wiring.

Software

Embedded systems programming (C for STM32, NRF52), Android app development, databases (InfluxDB, Grafana), web interfaces (HTML, CSS, JavaScript, Flask).

Data analysis

Algorithm development (Matlab, Python), data acquisition, plotting (matplotlib, pandas), filtering algorithms.

07Languages

Spanish

Native

English

Advanced – TOEFL 105/120 (May 2020)

Italian

Basic