The people building the network
NEXUS is led by its founding co-chairs and an Executive Committee designed for disciplinary breadth and geographic balance.
Co-chairs
The co-chairs hold the network's strategic direction, represent it externally, and chair the Executive Committee.
Natalie Taylor
Natalie Taylor
Health psychologist and implementation scientist at the UNSW School of Population Health, where she directs Implementation to Impact (i2i) and serves as Director of Research. Her program develops and applies methods for translating evidence into practice, from precision oncology to newborn screening.
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Guillaume Fontaine
Guillaume Fontaine
Canada Research Chair in Implementation Science for Health Systems Transformation and Assistant Professor at McGill University, where he directs the RISE³ Implementation Science Lab. His research spans implementation science, infectious disease prevention and care, knowledge synthesis for complex interventions, meta-research, and AI in implementation science.
View profile ↗Executive Committee
Chaired by the co-chairs, the Executive Committee brings together implementation and data scientists from across WHO regions, selected for disciplinary breadth and geographic balance.
Janna Hastings
Janna Hastings
AI researcher specializing in medical knowledge and decision support, combining ontologies and knowledge-based systems with machine learning and large language models. She helped build the AI-driven knowledge system of UCL's Human Behaviour-Change Project and led development of the ChEBI ontology at the European Bioinformatics Institute.
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Susan Michie
Susan Michie
Professor of Health Psychology, Director of the UCL Centre for Behaviour Change, and Co-Director of Behavioural Research UK. Creator of the Behaviour Change Wheel, her research applies behavioural science theory and evidence to intervention and policy design, evaluation, and implementation.
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Fabiana Lorencatto
Fabiana Lorencatto
Behavioural scientist, health services researcher, and Research Lead of the UCL Centre for Behaviour Change. A mixed-methods researcher, she applies behavioural theory and frameworks to understand what influences clinical practice and to co-design implementation interventions.
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Rinad Beidas
Rinad Beidas
Chair and Ralph Seal Paffenbarger Professor of Medical Social Sciences at Northwestern's Feinberg School of Medicine. Her research combines implementation science and behavioral economics to help clinicians and health systems adopt best practices, across mental health, cancer, HIV, and cardiovascular care.
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Dong (Roman) Xu
Dong (Roman) Xu
Professor of Global Health and Health Systems, Executive Deputy Director of the SMU Institute for Global Health, and PI of the Acacia Lab for Implementation Science. Co-Editor-in-Chief of Implementation Science Communications, he studies health system innovation, primary care quality, and eHealth.
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Yangqiu Song
Yangqiu Song
Associate Professor of Computer Science and Engineering at HKUST, working on natural language processing, knowledge graphs, and commonsense reasoning with large language models. His group built ASER, a large-scale eventuality knowledge graph extracted from over eleven billion tokens of text.
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Craig Lockwood
Craig Lockwood
Associate Professor and Director of Implementation Science at JBI, University of Adelaide, leading JBI's education, methods, and methodology for evidence implementation. His research covers qualitative synthesis, evidence implementation in policy and practice, and models of health service delivery.
View profile ↗Further appointments — including community and lived-experience representatives — will be announced as the founding phase progresses. Interested in serving or nominating? Contact us or register your interest below.
Host & partner institutions
UNSW Sydney acts as the provisional host institution for the launch phase.
Provisional host institution
Formal partnerships with scientific societies, multilateral agencies, and funders are being established during the founding year. Partner institutions appoint a named Partner Lead who sits within the network's governance alongside Country Leads.
Become a founding member
Membership is free during the founding year. Register your interest below — you can express interest in the Delphi expert panel, a future working group, country or partner leadership, or general membership.