Leadership
Executive Management
John Leahy
John joined JSM in April 2021. His track record of value creation in Private Equity is particularly relevant to JSM’s current stage of development. He has considerable experience of growing businesses both...
Stuart Wiltshire
Stuart as co-founder and CEO of JSM Group leads the strategic direction and the operational management of the Company. Stuart is a highly experienced CEO with comprehensive business knowledge, management and budgetary...
John Scanlon
John as co-founder and Chief Operations Officer of JSM is responsible for implementation of the company’s strategy and all matters relating to the operational performance of the business. With decades of experience...
Michael Booth
Michael Booth joined JSM in 2024 as the Chief Financial Officer. Michael is an accomplished finance executive with extensive experience in financial reporting, audit, compliance, treasury management, and change management. He has...
Senior Leadership
David Rough
Dave is responsible for leading the Power business within JSM and heads up our service building new electricity networks, in addition to the repairing and maintaining of existing networks for transmission and...
Daniel Rowan
Daniel Rowan is a seasoned leader in the telecoms infrastructure sector with over two decades of progressive experience, driving innovation and operational excellence across major fibre and connectivity projects. Having previously held...
Stephen Evans-Howe
Stephen Evans-Howe joined JSM in 2024 as the SHEQ Director, overseeing Safety, Health, Environment, and Quality, and our broader ESG programme. Stephen is an experienced senior director, speaker, and author specialising in...
Helen Stewart
Helen Stewart joined JSM in January 2025 as a chartered professional with over 20 years of global HR leadership experience. She possesses a strategic mindset that effectively translates people strategies into engaged...
Zoe Wiltshire
Zoe proactively manages contractual matters from the inception of a project, and provides focused, practical advice with the sole aim of getting the transaction delivered on time, and in line with the...
Grant Packham
Grant joined JSM in 2024 and is responsible for leading the Group’s Commercial activity. Grant has extensive experience in the construction industry, specialising in regional and major construction, civil engineering, and fit-out...
Julie Reid
With a significant background in the construction industry, Julie has earned a reputation as a seasoned Finance Director known for driving performance improvement and guiding complex business planning initiatives. Her expertise spans...
Stephen Bradley
Stephen provides a crucial role in the growth of JSM into new markets within the Power industry, extremely important as the UK continues to develop its infrastructure to accommodate large power connections...
Constance Dickie
Constance Dickie joined JSM in 2023 and is responsible for leading the Group’s Corporate Affairs. Constance brings a wealth of experience in strategic marketing, impactful communications, and project planning from a rich...
Dave Warfield
Joining JSM in 2024, Dave is responsible for Technology and our Business Transformation programme. Combining both means he can foster a cohesive approach to technology adoption and process optimisation, which is essential...
David Cheale
David as the Gas Director is responsible for leading our Gas team activities. David ensures that our governance protocols are maintained and structured to meet customers’ specific needs. With over 35 years’ experience, including 10...
Mark Fox
Mark Fox joined JSM in 2024 as the Procurement Director. Mark is a highly adaptable and motivated professional with exceptional strategic and negotiating skills. He has managed over £500m in annual spend...
Martyn Crocker
As Head of Business Development, Martyn plays a vital role in the growth of JSM within the Power sector. Martyn spent nearly 25 years at UK Power Networks, with his last role,...
Tim Owens
As Power Director at JSM, Tim oversees the day-to-day operations of the Power business. He ensures operational excellence, with a strong focus on health and safety and outstanding customer service. Tim has...
Operations Leadership
Power
Jack Whitlock
Jack Whitlock joined JSM in 2008 and is responsible for overseeing Electrical Operations. Jack brings a wealth of experience in proactive and reactive operations, heading up major faults & maintenance frameworks with...
Joe Scanlon
As Head of Civil Operations at JSM, Joe leads the delivery of major electrical infrastructure projects across the UK, ensuring safety, quality, and operational efficiency. With over eight years at JSM, Joe...
Riaz Cadersaib
With over three decades of experience in the utility industry, Riaz serves as the Head of Pre-Construction for our Power team. He leads a high-performing, multi-disciplinary team focused on delivering sustainable and...
Gerry Garvin
With over 30 years of experience in the utility industry, 22 of them at JSM, Gerry is a seasoned leader in pre-construction planning and execution. As head of the pre-construction team, he...
Darren Cooper
Darren Cooper serves as the Commercial Director for Power, where he oversees all commercial operations within the pre-construction business. With over 40 years of experience in the electrical industry, Darren brings a...
Telecoms
Neil Hargest
Neil Hargest is a highly respected operational leader with over 15 years at JSM Group, having joined from McNicholas. As Head of Operations for Telecommunications, Neil brings extensive industry experience and a...
Rob Mills
Rob Mills is an experienced leader in the telecommunications sector, having joined JSM Group in 2010 following over a decade in the industry since 1998. As Head of Planning and Planned Maintenance...
Toby Ford
With more than 20 years of experience delivering complex telecommunications networks across the UK and Europe, Toby leads the Program Delivery function at JSM with precision and a forward-thinking approach. As a...
Paul Reid
With nearly 40 years in the telecommunications industry, Paul Reid has built a wealth of experience across all telecomms works. At JSM, he has progressed from Project Manager to Head of Comms...
Mark James
Mark leads the nationwide fibre build and maintenance team, overseeing complex customer projects from planning through execution. With over two decades of experience in the telecoms industry, Mark is a seasoned Operations...
Stephen Hayes
Stephen Hayes is a seasoned professional in the telecommunications industry, bringing nearly four decades of experience since beginning his career in 1987. As Head of Major Projects and Diversions at JSM Group,...
Gas
Drew Pierce
Drew Pierce is an experienced leader in the utilities sector, serving as Gas Operations Director at JSM Group since March 2020. He is responsible for overseeing all gas-related operations, including the successful...