Last week, the GS UK Virtual Conference 2025 brought the global mainframe community together for three packed days of learning, networking, and celebrating over six decades of innovation. With a lively mix of tech sessions, real-world insights, and thoughtful conversations, the event was a strong reminder of the mainframe’s continued relevance—and the passionate community behind it.
By the Numbers
- 165 sessions across three days
- 750+ registrations
- Attendees from 37 countries, including some dialing in from as far as Australia
- 133,808 total minutes spent on Zoom
Over 20GB of recorded content now available to replay
Highlights from the Agenda
There was something for everyone, from hands-on technical talks to big-picture discussions:
- Open Mainframe Project Track – Ambassadors shared the latest on tools like Zowe, showcasing how open source is transforming the mainframe landscape.
- Security & Compliance – Practical sessions on RACF, DORA, and managing insider threats offered valuable strategies for staying secure.
- Innovation & Modernization – Presenters explored hybrid cloud deployments, using Ansible with MQ, and other ways to keep systems future-ready.
- Diversity & Inclusion – Talks like “Own Your Origin Story” sparked important conversations about authenticity, identity, and representation in tech.
The event was recorded and is available on-demand for all registered attendees and GS UK members. Not yet a member? Join the growing community here: https://www.gse.org.uk/join
Senior Technical Delivery Manager / Senior Security Consultant at Vertali Ltd.
With more than 13 years’ experience in mainframes, systems engineering and cybersecurity, Leanne Wilson leads Vertali’s mainframe technical delivery of security and infrastructure projects. She focuses on helping organizations around the world to secure, protect and optimize their mainframe infrastructure and related applications.