Assurance Review Board

The Assurance Review Board (ARB) is the operational authoritative body of the Kantara Identity Assurance Framework. The ARB has delegated authority from the Kantara Initiative Board of Directors to undertake assessments of all types of applications for a Grant of Rights of Use of the Kantara Initiative Assurance Trustmark and makes recommendations to the Kantara Initiative Board of Directors for the award or denial of such Grant of a Kantara Initiative Trustmark.


(ARB Chair) Leif Johansson, Advisor, Office of the CEO SUNET – Leif Johansson leads the Kantara Initiative Assurance Review Board. His day job is spent working on identity management, strategy and business development for SUNET and various identity federations including He is actively engaged in several organizations that work for the good of the Internet including IETF, Kantara Initiative & OASIS. He serves on the board of directors for Netnod – the operator of i-root and the leading IX in northern Europe.



Richard Trevorah, Technical Manager for tScheme Limited – gained his degree in ‘Computing Science’ in 1978 and has worked for nearly forty years in the IT industry. Richard currently works as an independent consultant – primarily with tScheme but also in the payments industry and, more generally, advising on electronic signatures. Through tScheme, Richard has worked with a number of UK Government departments on Identity Management projects and, in particular, is working with GDS on establishing the standards & certification processes within the Identity Assurance program. Richard was also involved in the International Collaborative Identity Management Forum, an initiative of the Aerospace & Defence industries, to try and establish a reference standard for employee authentication that can be used as a baseline in sensitive, multi-national projects. He also helped define and support the trust mechanism to be used by the European Payments Council to support electronic mandates across the Single European Payments Area.



James Bryce Clark is a senior executive and General Counsel of OASIS.

He is an information technology and corporate attorney who began his practice as a restructuring lawyer on Wall Street in New York. Jamie represented banks and high technology companies in finance and corporate transactions; while a practicing attorney, he served two terms as chair of the ABA’s original subcommittee on electronic commerce, and was a co-editor of the business process standards for the ebXML project (ISO 15000) and chairman of its coordinating committee. Before OASIS, he was the general counsel of a healthcare e-commerce privacy & security company, and a corporate partner in a Los Angeles law firm. He continues to act of counsel to a Los Angeles trnsactional boutique law practice. Jamie served as a US delegate to the e-commerce working group of the United Nations Commission on International Trade Law (UNCITRAL) and is a member of advisory committees for the Kantara Initiative and the W3C.


Incommon/Internet 2

Tom Barton is Senior Director and Chief Information Security Officer at the University of Chicago, where he is responsible for technical architecture, security and compliance, and identity and access management. He had previous assignments as Director of IT Infrastructure and Director of Network Services at the University of Memphis, where he was a member of the mathematics faculty before turning to administration. He’s a member of the InCommon Federation’s Technical Advisory Committee and Assurance Advisory Committee, the REFEDS Steering Committee, the TIER Community Investors Council, chairs the TIER Ad Hoc Advisory committee, and for many years led the Internet2 Grouper project.


Liaison to IAWG


Ken Dagg (Non-Voting Member), Chair of IAWG 

Prior to his retirement from the Canadian Federal Government in December 2013 Mr Dagg was the senior architect of the Cyber Authentication and Identity Management Program of the Government of Canada (GC). In this role he oversaw the replacement of the government’s proprietary cyber authentication system with a new open standards based federation of online credentials from both the private and public sectors that saved the government approximately $35m annually.

Since his retirement, he has continued to participate in the Kantara Initiative Initiative Identity Assurance (IAWG) and Identity Relationship Management (IRMWG) working groups. He is currently the chair of the Kantara Initiative IAWG as well as sitting on the Kanatara Initiative Board of Directors as Leadership Council Liaison.

Throughout the rest of his diverse thirty-nine year career in the government, educational, scientific and business sectors, Mr Dagg continuously provided managers at all levels with high quality advice on how to use technology to transform their operations and realize improvements in their effectiveness and efficiency.