Meet the Team

Our team is composed of word-class surgeons, researchers and engineers with unique expertise in paediatric cardiology, computational medical imaging and software development.

The Team

Professor John M. SimpsonPrincipal Investigator

Professor Simpson has more than 20 years’ experience in paediatric and fetal cardiology. He studied medicine at the University of Edinburgh, and then trained in children and fetal cardiology at Guy’s Hospital in London and at the University of California in San Francisco. He has been a Consultant in Paediatric and Fetal Cardiology at Evelina London Children’s Hospital since 1999 where he leads the echocardiography service.

He is regarded as an authority on the diagnosis and treatment of heart conditions in babies and young children, and therefore, he has been involved in multiple initiatives in the UK and abroad. He has published over 150 scientific papers and has contributed to leading textbooks in the field. He is regularly consulted for advice both within the UK and abroad, where he presents and teaches regularly at national and international conferences, and he holds a national clinical excellence award.

Kuberan Pushparajah, MDConsultant in Paediatric Cardiology

Dr Pushparajah is a Consultant in Paediatric Cardiology at Evelina London Children’s Hospital and a Senior Clinical Lecturer in Paediatric Cardiology in the School of Biomedical Engineering and Imaging Sciences at King’s College London. He has been at Evelina London Children’s Hospital since 2004, with a particular expertise in cardiovascular imaging, and he is also the clinical lead for paediatric and congenital cardiac MRI.

Professor Julia A. SchnabelChair in Computational Imaging

Professor Schnabel joined King's College London in July 2015 as Chair of Computational Imaging at the School of Biomedical Engineering and Imaging Sciences, where she is the Director of the EPSRC Centre for Doctoral Training in Medical Imaging. She is School Head for Research & Impact, and also Deputy Director of the NIHR-funded Cardiovascular MedTech and In vitro diagnostics Co-operative ( She studied Computer Science at the Technische Universität Berlin (Germany) and holds a PhD in Computer Science by University College London.

Professor Schnabel is elected member of the MICCAI Society Board (2017-21) and the IEEE EMBS Administrative Committee (2017-19). She is also a member of the Inria Science Board (2017-19) and the EPSRC Strategic Advisory Team (SAT) in Healthcare Technology (2018-21). In 2018, she was elected MICCAI Fellow "For contributions to multiple areas of medical image computing, and for distinguished service to the MICCAI conference and society".

Alberto Gomez, PhDResearch Fellow

Dr Gomez is a researcher in the School of Biomedical Engineering and Imaging Sciences at King’s College London. He holds a Master’s degree in Electronic Engineering from the Technical University of Madrid (Spain), a Master’s degree in Biomedical Engineering from Telecom Bretagne (France), and a PhD in Medical Image Processing from King’s College London. Dr Gomez previously worked for GE Healthcare (advanced medical applications, Buc, France) and for Philips Research (digital imaging, Hamburg, Germany).

Dr Gomez is a member of the MICCAI Society, the European Society of Cardiovascular Imaging, and the Medical Image Analysis Network (MedIAN). His expertise includes acquisition, processing, analysis and visualization of medical ultrasound images, mainly for cardiac and fetal applications with a focus on translational research. He has published in leading international journals and presented at conferences in the field. He has received multiple awards for his work including the EuroEcho Young Investigator Award in 2012.

Gavin Wheeler, PhDSenior Research Software Engineer

Dr Wheeler joined the 3D Heart Project in October 2017. Prior to that he was a project manager and senior software engineer at Toshiba Medical (Edinburgh, UK, now Canon Medical). This followed working in the videogames industry as a software team lead and engineer at PlayBox (Liverpool, UK). Previously, Dr Wheeler was co-founder and director of Genemation (Manchester, UK), a spin-out company commercialising image analysis technology from the University of Manchester and targeting realistic face synthesis and animation for videogame content creators. Dr Wheeler obtained a PhD in Computer Simulation of Magnetospheric Physics from the University of Sheffield (UK), from where he holds a BEng in Automatic Control and Systems Engineering. During his studies, he also chaired and managed a community radio station charity, Forge FM.

He brings to the project his expertise in developing videogame interactions and technology, together with knowledge in content creation, pipelines, and testing methodologies to create immersive, engaging and enjoyable experiences. At Toshiba Medical he was responsible for releasing a variety of visualisation software to product for ultrasound, magnetic resonance and computed tomography imaging modalities. Forge FM taught Gavin to never again repair an aerial on top of a tank room.

Shujie Deng, PhDPostdoctoral Research Associate

Dr Deng joined the 3D Heart Project in October 2017. Prior to that, she obtained a PhD in Human Computer Interaction from the National Centre for Computer Animation in Bournemouth University (UK). She has previously worked for start-up companies in web application development. She also holds a Master’s degree in Computer Science from New York University and a Bachelor’s degree in Electronic Information Engineering from the Communication University of China.

Nicolas Toussaint, PhDResearch Software Engineer

Dr Toussaint is a research associate and research software engineer in the School of Biomedical Engineering and Imaging Sciences at King’s College London. He pursued a Master’s degree in France and did a PhD in Biomedical Imaging at King’s College London. He later did a post doctorate at the Translational Imaging group at University College London. His research interests include applying machine learning and deep learning techniques to concrete medical diagnosis of problems. His past experience in software engineering allows him to translate research ideas into clinically-oriented prototypes that aim at improving medical diagnosis. Dr Toussaint is supporting the software development of the 3D Heart Project and advising on research aspects, particularly regarding data representation and visualisation.

Angharad DaviesDesigner

Annie Davies joined the 3D Heart Project in August 2018 through her role as In-House Designer at Guy’s and St Thomas’ NHS Foundation Trust. This role is a professional placement as part of her Bachelor's degree in Product Design at Brunel University London. Prior to this, she obtained a Foundation Diploma in Art and Design from Kingston University and she has also taken a course with the Delft University of Technology entitled "Design in Healthcare: Using Patient Journey Mapping". Upon completing her degree, Annie hopes to pursue a career in medical design.