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Articles by Greg McCall
CW@60: The networks behind a connected society
On 22 September 2026, Computer Weekly turns 60. To mark the milestone, we asked some of our friends - experts, parliamentarians, IT leaders and suppliers - for their perspectives on how tech has changed their lives over six decades. What's changed the most for you since then? Over the six decades since Computer Weekly began chronicling the UK’s technology landscape, the country has undergone a profound digital transformation.
Optimizing Investment Decisions with Data Science
A Destination for Asset Allocators OPTIMIZING INVESTMENT DECISIONS WITH DATA SCIENCE Cutting-edge data analysis solutions are more accessible and cost effective than many asset managers realize. By Gary Paulin, Clare Flynn Levy, Greg McCall | May 2022 Using data analytics to improve decision making has grown significantly over the past decade in many industries, including asset management.
Equity Data Science (EDS) Appoints Sebastian Lonza as Chief Revenue Officer to Accelerate Growth Across Institutional Markets Original
Equity Data Science (EDS) Appoints Sebastian Lonza as Chief Revenue Officer to Accelerate Growth Across Institutional Markets NEW YORK--(BUSINESS WIRE)--Equity Data Science (EDS), a leading provider of Investment Process Management (IPM) solutions for hedge funds and asset managers, today announced the appointment of Sebastian Lonza, CFA, CAIA as Chief Revenue Officer (CRO).
Umlaut Connect names EE as the UK’s best network for 11th straight year
By Greg McCall, Chief Networks Officer, BT Group As 2025 wraps up, we’re proud to end the year with recognition from Umlaut Connect that EE has once again – for the eleventh consecutive year – been named the UK’s best mobile network, following its robust independent benchmarking process. This follows similar recognition from RootMetrics earlier this year.
Umlaut Connect names EE as the UK’s best network for 11th straight year
crunchywave_ee_brighton605-editcopy By Greg McCall, Chief Networks Officer, BT Group As 2025 wraps up, we’re proud to end the year with recognition from Umlaut Connect that EE has once again – for the eleventh consecutive year – been named the UK’s best mobile network, following its robust independent benchmarking process. This follows similar recognition from RootMetrics earlier this year.
Umlaut Connect names EE as the UK’s best network for 11th straight year
As 2025 wraps up, we’re proud to end the year with recognition from Umlaut Connect that EE has once again – for the eleventh consecutive year – been named the UK’s best mobile network, following its robust independent benchmarking process. This follows similar recognition from RootMetrics earlier this year. Last year, we set a record-breaking score for the UK, becoming the first network to ever break the 900 barrier – an achievement which placed EE in a class above every other UK operator.
Another spectacular summer, connected by EE
By Greg McCall, Chief Networks Officer, BT Group As September draws to a close, the milder (and wetter) days have signalled the shift from summer to the colourful tones of autumn. Time never stands still at BT Group, as we continue building and connecting you to the UK’s best networks. But the change in seasons is a good moment to reflect on some summer highlights — and the role our network played in powering them.
From sports venues to shopping centres: boosting indoor connectivity across the UK’s busiest locations
The UK is a nation that lives in the moment. From seismic sporting clashes to crowd-pleasing concerts, live-events punctuate our diaries as the standout cultural moments in the calendar – and with a packed 2025 schedule that sees the likes of Oasis, Coldplay and Lana Del Rey embarking on nationwide tours, it’s no surprise that almost a quarter (24%) of Brits plan to attend or engage with even more major events in 2025.
Mobile networking
News Qualcomm sets out for future at beginning of agentic age Annual conference of leading mobile platform provider sees transition into harnessing the power of agentic technologies through end product line including PCs, phones, cars and advanced eyewear Continue Reading News NTU uses AI agents to uncover flaws in mobile networks Nanyang Technological University’s agentic AI tool checks mobile core network code against 3GPP specifications and has found 84 vulnerabilities, including one that...
Mobile technology
News Orange, Telesat open gateway for space communications Teleport for next-generation low Earth orbit constellation now installed and commissioned to boost secure, reliable and low-latency connectivity for enterprise and government Continue Reading News Ericsson looks to meet customer control demand in wireless WAN Customer-hosted wireless offering designed to address a global trend where organisations face critical infrastructure requirements that can restrict use of public cloud network...
IT for telecoms and internet organisations
Opinion Transformers: More than meets the eye in datacentre grid connection As hyperscale AI data centres scale up to handle intense workloads, advanced super-grid transformers are emerging as the hidden linchpin for resilient, sustainable capacity Continue Reading Opinion GDPR wasn't designed for AI and that's a security problem The Security Think Tank explores the intersection of GDPR and artificial intelligence, considering how data protection standards in the UK and Europe are changing in...
Embracing the power of modern mobile networks
In the last five years we have undertaken a record expansion of our EE mobile network across every corner of the UK, enhancing connectivity for millions of customers. Our 4G network alone has expanded by more than 10,000 square kilometres in that time - equivalent to more than 26 times the size of the Isle of Wight.
2023: A year of records, improved rural connectivity, and enhanced reliability
2023 has been a record-breaking year. We’ve successfully managed more record peaks in network traffic (30.1Tbps being the latest), a record 200 million devices now connect to our network every day, and we’ve continued to deliver a record expansion of our mobile network, with EE 5G now covering more than 70% of the UK population and our 4G network being strengthened in 1,500 more rural communities.
2023: a year of records, improved rural connectivity, and enhanced reliability
2023 has been a record-breaking year. We’ve successfully managed more record peaks in network traffic (30.1Tbps being the latest), a record 200 million devices now connect to our network every day, and we’ve continued to deliver a record expansion of our mobile network, with EE 5G now covering more than 70% of the UK population and our 4G network being strengthened in 1,500 more rural communities.
The great British network upgrade
From January, 3G technology will start being retired across our EE mobile network. For many this will be a landmark moment, representing an exciting upgrade for the UK as it embraces modern mobile networks which offer faster, more reliable, and more widespread connectivity. 3G has already been switched off in many countries around the world.
The great British network upgrade
From January, 3G technology will start being retired across our EE mobile network. For many this will be a landmark moment, representing an exciting upgrade for the UK as it embraces modern mobile networks which offer faster, more reliable, and more widespread connectivity. 3G has already been switched off in many countries around the world.
Evolution not revolution: getting our approach to 3G switch off right
When we launched our 3G network in the UK in the early 2000s, the world was a different place. Back then, the first iPhone had not launched, there was no WhatsApp or Facebook, and 3G was the most reliable mobile technology available. Fast forward twenty years and things have moved on.
Shining a spotlight on temporary mobile networks
For many people, summer is about spending time making memories with family and friends. The last few months have seen hundreds of thousands of people enjoy the crowning of King Charles III at Westminster Abbey, a final farewell from the Rocket Man at Glastonbury, the adrenaline rush of a record-breaking British Grand Prix at Silverstone, and much more.
Telecoms networks and broadband communications
News Private 4G/5G network takes off at Ontario International Airport Southern California’s most popular airport looks to scale for the future with an advanced private wireless network to support security operations and future innovation Continue Reading News Ofcom directs Openreach to withdraw broadband customer offer UK’s leading broadband provider dealt blow by national comms regulator regarding offer to attract customers, but gains approval for others in sales basket Continue Reading...
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