
McCall joined BT in 2013, holding multiple senior positions where he led the rollout of the UK’s first 5G network, managed the Emergency Services Network, and supervised the rapid launch of BT Sport. His experience in network development and operational leadership positions him to guide BT through its next phase of connectivity growth.
BT CEO Allison Kirkby commented: “I am delighted to appoint Greg as our new chief security and networks officer and a key member of BT’s Executive Committee. Greg is a fantastic example of the bench strength we have within BT, having contributed over many years to our network leadership position. With Howard now passing the baton to Greg, our network, and its trusted status, is in strong hands. We are also all incredibly grateful for Howard’s dedication, deep technical expertise, and the lasting impact he’s made not just on BT, but on the industry, over many years, and wish him well in his retirement.”
Watson reflected on his tenure, saying: “For me, as a telecoms technologist, this has been the best job of my career. I am incredibly proud to have led a team that built our position as the UK’s leading network, led critical research that positions us for an AI and Quantum future, and driven BT’s security and operational resilience for our customers and the UK. I leave with immense pride and gratitude, and full confidence in Greg and the team to take things forward.”
McCall expressed enthusiasm for his new responsibilities: “I’m proud to carry forward the momentum built by Howard, and alongside our brilliant Networks team, continue to deliver reliable, secure, high-quality connectivity for our customers and the UK. I’m energised by what’s ahead, innovating in AI and cybersecurity, and shaping a future that’s faster, smarter, safer, and more connected for everyone. It’s a real privilege to lead this next chapter, and I can’t wait to get started.”
The leadership transition underscores BT’s commitment to maintaining its position as the UK’s leading network provider while driving innovations in AI, cybersecurity, and next-generation connectivity. With McCall at the helm of security and networks, the company aims to continue expanding high-speed broadband and mobile services, supporting both residential and business users across the country.
Watson’s retirement marks the end of a notable career at BT, during which he contributed to foundational network projects and research that position the company for future technological advances. McCall’s appointment ensures continuity and strategic leadership as BT advances toward its 2030 connectivity goals.