42 The Systemic ReviewA publication of SCiO
Experts & Spokespeople

Practitioners available for comment.

Working a story or preparing a briefing that needs a systems-thinking perspective? The contributors below are available for interview, comment, and expert briefing on their listed specialisms.

Patrick Hoverstadt

Director, Fractal · Chair of SCiO

Patrick Hoverstadt is the founder of Fractal Ltd and a leading international consultant in systemic approaches to organisation design, strategy and transformation, with over 30 years' experience across the private, public and third sectors and work in 21 countries. He is co-developer of the Patterns of Strategy methodology, author of The Fractal Organization and The Grammar of Systems, and a specialist in the Viable System Model. He chairs SCiO, the UK's largest community of systems practitioners, and has advised organisations including BAE Systems, Siemens and Rolls-Royce.

Viable System ModelOrganisation DesignStrategic Risk & Governance

Available for comment on: Organisation design and diagnosis, strategy, strategic risk, governance and partnership structures.

Reviewed SCiO's July 2026 written evidence to the House of Commons Education Select Committee.

Simon MacCormac

Senior Strategic Advisor · Advanced Systems Practitioner

Simon MacCormac is a strategic advisor with over 30 years of global consulting experience spanning digital transformation, systems thinking and executive leadership. He has led major transformation initiatives in healthcare, defence, finance, telecoms and national infrastructure across the UK, North America, Asia-Pacific, the Middle East and Africa, following senior roles at CSC, Nokia Siemens Networks, Deloitte and Arthur D. Little. A certified Advanced Systems Practitioner, he continues to consult independently – including within the NHS and care sector – and contributes to UK government systems thinking initiatives.

Digital TransformationPublic Policy & RegulationHealthcare Systems

Available for comment on: Regulatory and institutional reform, large-scale transformation, and systems thinking in healthcare, defence and infrastructure.

Led SCiO's July 2026 written evidence to the House of Commons Education Select Committee.

To arrange an interview or request comment, contact our press line atpress@systemspractice.org.