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Influential Mainframers
Connecting the Mainframe to the Web: Sebastian Dewar’s Vision for Accessible Modernization
Sebastian Dewar CTO, Virtel FranceThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For Sebastian Dewar, modernization is about access. As CTO of Virtel, Dewar has focused his work on one of the most practical challenges facing the...
Defining the Standard: Craig Mullins and a Career Shaping Db2 Expertise
Craig Mullins President & Principal Consultant, Mullins Consulting, Inc. Sugar Land, Texas, USAThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For Craig Mullins, influence is built through consistency. With more than three decades of...
Connecting the Mainframe to the Modern Enterprise: Thomas Halinski’s Work at the Intersection of Performance and Innovation
Thomas Halinski Principal, Client Services Consultant / Project Manager, Broadcom, Inc. Fennville, Michigan, United StatesThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For Thomas Halinski, modernization is about connection. Across his...
Ezriel Gross: Bridging the Gap Between Mainframe Education and Real-World Experience
Ezriel Gross Senior Technical Staff Member and Product Evangelist Rocket Software Wayne, New Jersey, USAThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.Ezriel Gross, a Senior Technical Staff Member and Product Evangelist at Rocket...
Building Community Through Security and Storytelling: Niall Ashley’s Approach to a More Open Mainframe
Niall Ashley Security Consultant, Vertali United KingdomThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For Niall Ashley, the strength of the mainframe community lies in how openly it shares. As a security consultant specializing in IBM...
❓ Influential Mainframer Trivia: Eleanor Kolchin
For the month of April, Planet Mainframe puts the spotlight on influential mainframers, and this week our trivia quiz is all about mainframe trailblazer Eleanor Kolchin. Kolchin built her career at a pivotal moment in computing, when computing machines were...
Shelly Meierarend: “Where You Are From Does Not Limit How Far You Can Go”
Shelly J. Meierarend, PMP IBM Z and LinuxONE Client and Academic Global Skills LeaderIBM Z Ecosystem – InfrastructureIBM Buford, Georgia, United StatesThis article features Shelly J. Meierarend, one of the top four 2026 Influential Mainframers.Editor’s Note: We often...
Building Pathways in Latin America: Paolo Enrique Garcia Ramos and the Rise of “New to Z”
Paolo Enrique Garcia Ramos Mainframe Chief, Interbank Lima, PeruThis piece is part of the 2026 Planet Mainframe Influential Mainframers series.For Paolo Enrique Garcia Ramos, the future of the mainframe depends on who gets access to it. With 18 years of experience in...
Latest
Why It’s Finally Time to Retire Your TN3270 Emulator
For decades, TN3270 terminal emulators have been a staple for accessing mission-critical mainframe applications. However, as cyber threats evolve and legacy systems strain under new compliance demands, it is becoming increasingly clear that traditional...
Why Human Error is the Mainframe’s Biggest Risk
Mainframes have always had a bit of a superhero reputation: rock-solid, ultra-secure, and always up. They’ve powered banks, airlines, and governments for decades without so much as blinking. But I want to share an uncomfortable truth: even the most secure systems in...
Collaborating for Modernizing Mainframe Data Protection: A Privacy-First Approach
Collaborating for Modernizing Mainframe Data Protection As enterprises accelerate their digital transformation initiatives, mainframe environments face unprecedented challenges in balancing mainframe data protection with modernisation. Traditional approaches to...
Modernizing Mainframe Security: RACF and MFA Misconceptions
Passwords Aren’t Enough to Modernize Mainframe Security Security is the backbone of any organization’s control environment. In today’s hyper-connected economy, protecting against IT threats is not just a technical requirement—it’s a business imperative. A single...
TRIVIA – Penetration Testing
Mainframes have long been known for their unmatched reliability and security—but even the most trusted systems can hide surprises beneath the surface. As technology evolves, so do the tactics of those trying to exploit it. Penetration testing (pen testing), or...
Mainframe Security: The Quiet Frontline of Enterprise Defense
For decades, the mainframe has been viewed as one of the most secure computing platforms on Earth. With tightly controlled access, centralized data management, and unmatched reliability, it earned its reputation as the “fortress” of enterprise IT. But, as evidenced in...
From Mainframe to Cybersecurity: Experience Is the New Superpower, Ladies
From Mainframe to Cybersecurity: Experience Is the New Superpower If you’ve written COBOL, debugged Assembler, or know how to resolve an S0C7 abend, chances are you belong to an older—and increasingly rare—demographic in tech. If you’re a woman, that group is even...
The Heat is on. What 2025 Cyber Attacks in the UK Teach Us About Mainframe Security
Vertali’s Leanne Wilson reflects on a year of cyber attacks and what needs to happen now. 2025 was quite a year for cyber attacks. The UK in particular experienced a significant surge, with 43% of businesses reporting at least one incident and an astounding 91% of...
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Building the CA 7 User Group Together & Technical Sharing Session
Virtual MeetingHelp us set the vision for the new CA 7 User Group! Starting by defining the vision and mission, while drawing on past experiences to build a group that delivers […]
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Building the ESP User Group Together & New ESP Web Client Deep Dive
Virtual MeetingHelp us set the vision for the new ESP User Group! Starting by defining the vision and mission, while drawing on past experiences to build a group that delivers real […]
❓ Influential Mainframer Trivia: Eleanor Kolchin
For the month of April, Planet Mainframe puts the spotlight on influential mainframers, and this week our trivia quiz is all about mainframe trailblazer Eleanor Kolchin. Kolchin built her career at a pivotal moment in computing, when computing machines were...
NEWS – Introducing IBM’s New SQL Tool, Virtel 4.64 now Available, and more
Bringing AI to Mainframe Data: Introducing IBM SQL Data Insights Pro Virtel 4.64 Now Available: Stronger Session Security, Enhanced Japanese Codepage Support, and Key Usability Improvements BMC Advances Trusted AI Orchestration With New Control-M Kyndryl awarded a...
❓Influential Mainframer Trivia: Bob Evans
At Planet Mainframe, April is dedicated to honoring influential mainframers past and present. This week’s quiz dives into the life and times of Bob Evans (1927–2004), who played a central role in shaping modern enterprise computing during his career at IBM. ...
NEWS – Kyndryl Readiness Report, Precisely and Matillion Partnership, and more
Kyndryl Readiness Report reveals misalignment between infrastructure investment and preparedness for converging modernization demands Precisely and Matillion Partner to Accelerate Data Modernization and Agentic AI Readiness IBM Completes Acquisition of Confluent,...
Open Tools, Modern Workflows: A Next-Gen Mainframe Quiz
This week, our Planet Mainframe quiz continues the “Next-Gen Mainframe” theme. For decades, mainframe development operated in its own world—but as the broader industry converged on open-source tooling, Git-based collaboration, and cloud-style DevOps pipelines, the...
NEWS – 2026 X-Force Threat Index, Expanded Data Integrity Suite, and more
IBM 2026 X-Force Threat Index: AI-Driven Attacks are Escalating as Basic Security Gaps Leave Enterprises Exposed Precisely Expands Data Integrity Suite with New AI Agents for Enhanced Data Quality, Data Enrichment, and Location Intelligence BMC Signs Five-Year...