Work Experience / Education

Telefónica Research, Barcelona, Spain (Feb. 2020 - Today)
- Researcher (Mobile Systems, Privacy Preserving Machine Learning, Mobile Sensing, Human-Computer Interaction)

Imperial College, London, UK (Jun. 2018 - Jan. 2020)
- Research Associate (Privacy, Mobile Sensing, Machine Learning)

Telefónica Research, Barcelona, Spain (Jun. 2016 - Dec. 2016; Jul. 2017 - Oct. 2017)
- Research Intern (Mobile Sensing, Machine Learning, Human-Computer Interaction)

Hiver, London, UK (Oct. 2015 - Sep. 2017)
- Co-Founder & CTO (Mobile Systems, Mobile Sensing, Machine Learning)

Engineered Arts, Penryn, UK (Apr. 2013 - Aug. 2013)
- Research Intern (Human-Robot Interaction)

Queen Mary University of London, UK (Sep. 2009 - Jul. 2018)
- Ph.D. Candidate (Mobile Sensing, Crowd Sensing)
- Research Assistant (Human-Computer Interaction)
- M.Sc. Student (Software Engineering)

Philips Medical Systems, Böblingen, Germany (Sep. 2007 - Sep. 2009)
- Research & Development Engineer in Patient Monitoring Products (Real-time embedded systems)

Philips Medical Systems, Böblingen, Germany (Sep. 2006 - Mar. 2007)
- Software Developer Intern (Information Retrieval)

University of Applied Sciences of Thessaloniki, Greece (2001 - 2006)
- Informatics Engineer (Undergraduate studies)


Teaching

Associate Lecturer at Queen Mary University of London

Teaching Assistant (TA) at Queen Mary University of London


Student Supervision

PhD

MSc / MEng

Other


Seminars and Invited Talks

Part of a Roundtable discussing Privacy and Personal Data
PIMs Business Opportunities Workshop, Online, Feb. 23, 2021.

Federated Policy-Based Private Analytics
Brave Software, London, UK, May 7, 2020.

High-Accuracy Energy Measurements on Mobile Devices
2nd UK Mobile, Wearable and Ubiquitous Systems Research Symposium
Dept. of Computer Science, University of Oxford, UK, Jul. 1-2, 2019.
[presentation, abstract, web]

Mobile Sensing and Wearable Technology
Sensing and IoT Course at Imperial College London
London, UK, Nov. 2018 - 2019.

Detecting Social Interactions using Multi-Modal Mobile Sensing
1st UK Mobile, Wearable and Ubiquitous Systems Research Symposium
Computer Laboratory, Cambridge, UK, Sept. 12-13, 2018.
[presentation, abstract, web]

Detecting Social Interactions using Multi-Modal Mobile Sensing
Next Generation Networking, Multi-Service Networks workshop
The Cosener's House, Oxfordshire, UK, July 5-6, 2018.
[presentation, web]

Dominant Types of Mobile Phone Use
Data Natives 2018
City, University of London, UK, April 19, 2018.
[presentation, web]

Analysing Crowd Behaviours using Mobile Sensing
Telefónica Research, Barcelona, Spain, December 13, 2017.

Deep Massage: Processing Mobile Sensor Data for Online Deep Leaning Applications
Data Natives 2017
City, University of London, UK, April 28, 2017.
[presentation, web]

Walking in Sync: Two is Company - Three’s a Crowd
Next Generation Networking, Multi-Service Networks workshop
The Cosener's House, Oxfordshire, UK, July 2-3, 2015.
[presentation, web]

Walking in Sync: Two is Company - Three’s a Crowd
Data Natives 2015
City, University of London, UK, May 15, 2015.
[presentation, web]

Sensing and Modelling Audiences
Audiences, Live! Understanding and augmenting audience dynamics at live events - Creativeworks London
Rich Mix, London, UK, June 9, 2014.
[presentation, web]

Introduction to Mobile Sensing Technology
Digital Media and Social Networks Course at Queen Mary University of London
London, UK, Feb 2014 - 2019.
[presentation]


Awards

Best Paper Award for "PPFL: Privacy-preserving Federated Learning with Trusted Execution Environments", presented at ACM MobiSys '21, June 2021.

Best Demo Award for "BatteryLab, A Distributed Power Monitoring Platform For Mobile Devices", presented at ACM SenSys '19, November 2019.

Best Poster Award for "SensingKit: A Multi-Platform Mobile Sensing Framework", presented at the 2015 Marconi Society Symposium - "The Future Infrastructure of the Internet of Things", Paul Baran Young Scholars Poster Session, October 2015. [poster]

Brendan Murphy prize for presenting "Walking in Sync: Two is Company - Three’s a Crowd” at the 2015 Next Generation Networking, Multi-Service Networks workshop, July 2015.