David W Chadwick

David W Chadwick is a prominent figure in the field of information systems security and identity management with over 20 years of experience.3 He is currently the Managing Director of Truetrust Ltd, a consultancy company he founded.14

Professional Background

Academic Career:: Prior to his current role, Chadwick was a Professor of Information Systems Security at the University of Kent.13 He is now an Emeritus Professor at the same institution.2

Industry Experience:: After his academic career, Chadwick served as the CEO of Verifiable Credentials Ltd (VCL), a university spin-out company that developed one of the world's first W3C Verifiable Credentials conforming systems called Identiproof.1 Following VCL's acquisition by Crossword Cybersecurity PLC, he became the R&D Director of Identiproof.1

Expertise and Contributions

Identity Management:: Chadwick has been actively involved in identity management for over two decades.1 He has made significant contributions to various popular identity management standards, including:

• LDAP
• X.509
• SAML
• W3C Verifiable Credentials
• OpenID for Verifiable Credentials (OID4VCs)1

Research and Development:: He led the EU Next Generation Internet (NGI) Atlantic funded project titled "Next Generation SSI Standards," which developed conformance tests for OID4VCs and conducted interworking tests between Europe and the USA on multiple VC products.1

Academic Impact

Chadwick's research has been widely recognized in the academic community:

• Total citations: 5,705
• H-index: 36
• i10-index: 1112

Current Role

As the Managing Director of Truetrust Ltd, Chadwick continues to provide his expertise in information systems security and identity management through consultancy services.14 His company is registered at 22 Magnolia Drive, Chartham, Canterbury, Kent, England, CT4 7TG.5

David W Chadwick's LinkedIn profile can be found under the username davidwchadwick, where he shares his extensive experience in identity management and authorization systems.3