InterAccess – Team

Joshue O’Connor – Director / InterAccess

Josh O'Connor -InterAccess - Don't be a robot

Joshue O’Connor is director of InterAccess, a leading Irish accessibility agency. Josh is an experienced technology consultant and internationally recognised expert in the field of inclusive design and accessible web, mobile and application development.

Josh is a published author, researcher,  musician, ex co-chair of the Accessibility Guidelines Working Group, and ex-editor of the WCAG 2.1 accessibility standard.

Josh recently worked at W3C researching and documenting accessibility user needs and requirements for a range of emerging technologies, including Real Time Communications, and Immersive environments (XR).


Dave Bowley – Accessibility Consultant

Dave Bowley  - Accessibility consultant with InterAccess


David Bowley has been working as an accessibility consultant for a number of Enterprise and SME clients, providing expert technical guidance throughout, from design to implementation and ongoing remediation. He is passionate about improving the user experience for all users of assistive technology.

Regarding professional practice, David has a firm conviction that WCAG is only the foundation on which to build, and that accessibility testing should be concerned with real world users, beyond any necessary regulatory compliance.

Experienced in testing both desktop and mobile environments – including native mobile applications – David can often be found with his head buried in broken code trying to find that elusive fix.

Dave has a BA (Hons) in Applied Theology.

Pat Cullen – Senior Accessibility Consultant and Trainer

Pat Cullen - Senior Accessibility consultant with InterAccess


Pat Cullen has been working in the accessibility field for 7 years as an accessibility auditor, team lead and consultant. He has worked closely with testers, developers, designers, product owners and senior management to help them understand the accessibility auditing process and provide advice and training during accessibility engagements.

Pat has performed hundreds of audits using all of the major accessibility environments on commercial websites and applications and he is equally at home with mobile or desktop accessibility testing.

His favourite accessibility activities include: keyboard testing, colour selection, improving best practice, Accessibility QA training, design review, solution advice, testing verification in Agile and helping our clients to understand and satisfy the WCAG 2.1 success criteria.

Brian Dalton – Project Manager / Accessibility QA Lead

Brian Dalton - Accessibility consultant with InterAccess


Brian Dalton is a subject matter expert in accessibility related QA testing, with extensive experience in both Waterfall and Agile software development.

He has delivered accessibility training programs during the whole life cycle of many software development projects.

These include accessibility requirements and testing from the project vision document, the analysis and design phase, and creating accessibility business requirements and user stories, functional test cases, through to creating a user-friendly experience.

He has managed the delivery of key projects for InterAccess clients such as: Houghton Mifflin Harcourt, the NTA and Irish Rail as well as giving accessibility training to the HSE.

Brian is a power screen reader user and a beta tester with JAWS (Job Access with Speech), one of the key screen readers used by blind people around the world.

His experience in using assistive technology at a professional and personal level, gives him a deep knowledge and understanding of what is needed to create a pleasant experience for screen reader users when auditing for and working with clients to meet the Web Content Accessibility Guidelines.

Brian is a keen blogger, and likes to share his knowledge and experience on the Interaccess blog – he is also an avid music fan and DJs on Team-fm.

InterAccess credentials

W3C Invited Expert

  • 01

    Ex co-chair of Accessibility Guidelines Working Group (AGWG) at the WAI/W3C which was previously the Web Content Accessibility Guidelines (WCAG) working group.

  • 02

    Ex HTML5-ARIA Task force facilitator where we developed new HTML5 and ARIA techniques for publishing as W3C notes.

  • 03

    Contributed to accessibility related aspects of the HTML5 specification, as well as research work of the ‘Research and Development Working group’.

  • 04

    Co-editor of:

    • WCAG 2.1
    • Understanding WCAG 2.1
    • Techniques and Failures for Web Content Accessibility Guidelines 2.1
    • Research Report on Web Accessibility Metrics

Auditing, UX & Consultancy experience

  • 01

    Seasoned Accessibility Auditor of Websites, Web applications and mobile apps.

  • 02

    Consulted with over 60 public sector and private sector organisations.

  • 03

    Expert Assistive Technology knowledge from over 12 years hands on experience of working directly with people with disabilities.

  • 04

    Experienced UX analyst: facilitating user tests doing requirements gathering and testing with many users with diverse/multimodal requirements and technology needs.

Project management, Writing & Research