(7 years 7 months) Biosensing algorithm development (Python, VSCode) and sensor prototyping in the Future Physiology Team within Oura Science Team. Smart Sensing algorithm design and validation for Oura Ring 4. "Smart Sensing" is the hardware abstraction layer design and signal quality control for the photoplethysmography subsystem. Blood oxygen saturation (SpO2) measurement and Breathing Disturbance Index for Gen3 Oura ring. Cooperation with electronics and mechanics to develop the optoelectronics for the Gen3 ring, to enable features like SpO2 and Workout Heart Rate. Ramp-up and validation of internal biosignals laboratory with capabilities for example of polysomnography, electrocardiography, blood oxygen, reduced- oxygen devices, vital signs measurement, sleep scoring, optical spectroscopy, optical and electrical human tissue phantoms.

(1 year 6 months) Medical device software and biosignal algorithm development. Main tools: Matlab, C☘ in Visual Studio, GitLab, JIRA, Confluence. - BrainStatus: Clinical ambulatory EEG device and software for intensive care unit. - Faros: Clinical ambulatory ECG device and software for e.g. atrial fibrillation, other arrhythmia cases and heart rate variability measurements. - NeurOne: Research EEG system for concurrent TMS-EEG, fMRI-EEG and real-time EEG-controlled systems. Additionally, I carried the duties of the project manager in European research project on rehabilitation medicine: WOMEN-UP project. Clinical study co- operation, leading electronics and software development, subcontractor sourcing/communication in mechanics design, sourcing for components, manufacturing management, regulatory compliance.

7 years 8 months (4 years 10 months) Research project management in NEUWalk, Demanes, WOMEN-UP projects. Communication with research institutes and clinical partners. Management of software, electronics and mechanics product development tailored for the research project needs. Regulatory compliance. Software development for cardiology and neurology biosignal measurement systems (NeurOne, Faros, BrainStatus). On-site and remote neurology product specialist duties for NeurOne research EEG system (Finland, Germany, United Kingdom, China, India). Customer support for Faros ECG device and software. Requirements analysis and system testing for NeurOne, Faros, BrainStatus products. Supervisor for M.Sc. Thesis of Verneri Ruonala: - Artefact Removal Methods in Simultaneous EEG and fMRI Supervisor for three physics student projects on: - EEGLAB-NeurOne plugin development - Faros QRS detector validation against MIT-BIH arrhythmia database - Pulse transmit time based methods to estimate blood pressure

(1 year 3 months)

(1 year 7 months) Software design for eMotion HRV & Firstbeat Bodyguard - ambulatory electrocardiography and heart rate variability measurement system. Biosignal processing, graphics and user experience design. Matlab, C☘ and C++. Regulatory complience. Testing and documentation.