David brings over 30 years of progressive operational leadership experience to international exit strategy planning. As a Chartered Manager and operational excellence specialist, he transforms organizational friction into focused execution, helping businesses achieve the operational stability and performance optimization essential for successful exits.
⇢ Interim Leadership & Transition Management – Providing stability during critical organizational changes and exit preparations
⇢ Operational Due Diligence – Risk assessment and compliance expertise across complex regulatory environments worth up to £1 billion
⇢ International Operations – Strategic bridge connecting business ambitions across UK, Ireland, Europe, and Middle East markets
⇢ Performance Optimization – Proven track record managing teams of 132+ personnel and budgets exceeding £10 million
David’s career journey began on the shop floor in the early 1990s, where he developed fundamental leadership skills through hands-on operational experience. This foundation enabled him to systematically climb the corporate ladder into senior leadership roles across diverse industries including military, facilities management, engineering, and higher education institutions like King’s College London and Capital City College Group.
His operational expertise spans massive scale and complexity – from leading teams of over 132 personnel to managing operational budgets up to £10.5 million. David has contributed expertise on projects ranging from minor works under £1 million to major capital schemes worth approximately £150 million. His regulatory compliance experience includes overseeing large property portfolios valued up to £1 billion, from standard administration offices to highly specialized Cat 3 UK Home Office Licensed Research Laboratories.
Currently serving as Partner at Lissah & Boyle, David leads fractional business support services that work “in your business, not just on it.” His approach combines strategic thinking with hands-on implementation, providing clients with accountability partnership for delivering strategic objectives during critical transitions.
David’s passion for exit strategy consulting stems from his unique perspective on organizational transitions and his role as Vice-Chair of the International Institute of Risk & Safety Management’s Ireland Branch. In this position, he serves as a strategic bridge connecting business ambitions across multiple jurisdictions – precisely the type of cross-border operational insight that international exit strategies demand.
His experience leading organizations through complex changes, combined with his expertise in risk management and regulatory compliance, positions him to identify and mitigate the operational risks that can impact exit valuations. David understands that successful exits require more than financial engineering – they demand operational excellence, leadership stability, and seamless stakeholder management across international boundaries.
David’s combination of hands-on operational experience, international perspective, and specialized expertise in organizational transitions, makes him an invaluable team member for businesses preparing for international exits or seeking to optimize their operational performance for strategic growth initiatives.
His experience overseeing compliance across billion-pound property portfolios, including highly regulated research facilities, provides the depth of operational insight that acquirers and investors demand during due diligence processes.
As a specialist in interim management, David provides the leadership stability essential during the uncertain periods that characterize exit processes. His track record of steadying organizations during transitions directly translates to maintaining business performance while navigating complex international exit negotiations.
His expertise in leadership risk factors and regulatory compliance helps identify and address operational vulnerabilities that could impact exit valuations or derail transaction processes.
Through his current role connecting strategic initiatives across UK, Ireland, Europe, and Middle East markets. David brings the cross-border operational perspective essential for international exits involving multiple jurisdictions and regulatory frameworks.
His proven ability to improve operational efficiency and cost management helps ensure businesses are operating at peak performance levels that maximize exit valuations.
Drawing from experience managing diverse teams and complex stakeholder relationships across military, academic, and commercial environments. David facilitates the smooth stakeholder transitions that international exits require.
Whether you’re preparing for a major international exit, optimizing operational performance for acquisition, or need interim leadership during critical transitions, David Lissah, the experienced Fractional Operations Director, brings the essential operational expertise and strategic mindset to help your business achieve exit-ready excellence.
