Senior integration leadership, built for execution.

Calum Ferguson is a senior Integration Director with more than 30 years of international experience leading mergers, acquisitions, divestitures, and enterprise transformation programmes across the UK, Europe, and North America. He specialises in helping organisations navigate the complexity of business integration by aligning people, processes, technology, governance, and operating models to deliver successful outcomes while minimising operational disruption.

Throughout his career, Calum has successfully led Integration Management Offices (IMOs), developed integration strategies, and delivered large-scale post-merger integration programmes for both public and private sector organisations. His experience spans every stage of the integration lifecycle, from pre-deal due diligence and integration planning through Day One readiness, business transition, TSA management, operational stabilisation, and synergy realisation.

Calum has extensive expertise integrating corporate functions including IT, digital workplace, infrastructure, cloud platforms, unified communications, cybersecurity, service management, HR, finance, procurement, and business operations. Working alongside executive leadership teams, he establishes governance frameworks, integration workstreams, risk management processes, and delivery roadmaps that enable organisations to achieve strategic objectives while maintaining business continuity.

Having successfully delivered multimillion-pound transformation programmes for organisations including AXA UK, HM Courts & Tribunals Service (HMCTS), and numerous global enterprises, Calum is recognised for translating complex acquisition strategies into structured delivery programmes that create measurable commercial value. His collaborative leadership style enables stakeholders to make informed decisions, accelerate integration activities, reduce programme risk, and realise synergies more quickly.

Paul Comerford brings more than three decades of experience leading technology transformation, operational integration, and managed service programmes for multinational organisations. His unique combination of technical expertise, operational leadership, commercial strategy, and executive management enables him to successfully deliver complex integration programmes where business, technology, suppliers, and customers must be brought together into a single operating model.

Paul has extensive experience designing and implementing integration strategies that support mergers, acquisitions, outsourcing programmes, service transitions, and organisational change. He works with executive stakeholders to define future-state operating models, integrate service organisations, rationalise technology platforms, consolidate suppliers, and establish governance structures that enable long-term operational success.

Throughout his career, Paul has transformed multiple IT support and managed service organisations by integrating disparate teams, standardising service delivery, introducing new operating procedures, and improving customer experience through modern service management practices. His programmes have consistently delivered operational efficiencies, reduced costs, improved service performance, and strengthened customer satisfaction while supporting wider business integration objectives.

Having held senior leadership positions with organisations including Unisys and BT, Paul understands that successful integration extends beyond technology. His focus is on bringing together people, culture, operational processes, commercial agreements, and service capabilities to create organisations that are stronger than the businesses that existed before integration. Supported by qualifications in Electronics, Computer Science, and an MBA from UCD Michael Smurfit Graduate Business School, Paul combines strategic thinking with practical delivery to ensure clients achieve sustainable business outcomes.

Ashling Shields is an experienced Project Manager specialising in the successful delivery of complex integration and transformation programmes. With more than 15 years of experience managing large-scale, multidisciplinary projects, she provides the governance, coordination, and delivery assurance required to execute business integration programmes in challenging and fast-paced environments.

Ashling plays a central role in coordinating multiple integration workstreams, ensuring that technology, business operations, suppliers, and functional teams remain aligned throughout every phase of programme delivery. She is highly experienced in project governance, planning, dependency management, risk and issue control, stakeholder engagement, RAID management, executive reporting, and delivery assurance, providing clients with confidence that critical milestones will be achieved.

Her expertise extends across programme mobilisation, integration planning, Day One readiness, implementation, operational transition, post-go-live stabilisation, and business-as-usual handover. Ashling ensures that project teams remain focused on delivering integration outcomes while maintaining operational continuity, managing change effectively, and mitigating delivery risks before they impact programme objectives.

A significant example of Ashling's delivery leadership was her role in the successful implementation of the Irish National Emergency Call Service (999/112) for BT Ireland. Remaining with the programme from solution mobilisation through implementation, operational launch, and transition into live service, she coordinated multidisciplinary teams, maintained governance throughout delivery, and ensured a seamless transition to operational support for one of Ireland's most critical national services.

Ashling's structured and collaborative approach enables organisations to navigate complex integration programmes with confidence, ensuring projects are delivered on schedule, within budget, and with a clear focus on business outcomes, operational readiness, and long-term success.