Consult Team

The Senior Team
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Sam McCumiskey.

Managing Director 

 Sam joined gbpartnerships in 2015 as a senior healthcare planner and quickly established herself as leader, becoming Health Director in 2018. She continues to lead and grow the gbpartnerships consult business. 

Sam has 22 years experience of working within the NHS at a senior management level,  initially managing services and then moving into service improvement and finally into strategic transformation programmes and leading significant capital projects.


 She has advanced skills and expertise in healthcare planning, system / service improvement, capital projects, business cases and stakeholder engagement, particularly in the following sectors; Primary, Community, Place Based and Mental Health Care services and property.

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Alston Owens.

Managing Consultant

Alston is a finance professional by background with over 15 years of experience working in healthcare across both commissioning and provider organisations throughout the country. He has a broad skillset covering many aspects of healthcare advisory, including: Cost Improvement Programmes, Financial Modelling, Service Reviews, Business Case Development and Corporate Governance.

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Ian Sabini.

Managing Consultant

Ian leads the London & South-East consultancy team. He has over 15 years of estates and healthcare construction experience, both in the public and private sector. Ian has a wealth of expertise in working with multidisciplinary teams achieving their key strategic and transformation projects. Ian is currently supporting our partners to deliver Estates and Technology Transformation Fund (ETTF) projects, and maximise s106 and CIL funding.


Jonathan Wilson.

Managing Consultant

Jonathan is a principal Architect who has worked closely with healthcare providers for over 30 years. He believes passionately in the power of the physical environment to support integrated service delivery and to promote health and wellness for both service users and service providers. He is interested in promoting service-led design through direct engagement with service providers and users.

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Tamsyn Flynn

Managing Consultant

Tamsyn leads the South and South-West consultancy team. She has 15 years’ experience of executing change, business transformation and IT projects as well as service transformation consulting to the Public Sector.

She brings a whole-system view to the group’s existing strength in healthcare estates, and supports the other regional teams with social care expertise.

Her key skills include:

  • Service reviews with a focus on improving outcomes for patients and service users while identifying efficiencies for clients

  • Whole systems analysis across integrated care systems, localities and neighbourhoods

  • Social Care demand and capacity modelling

  • Place-based data aggregation, triangulation and visualisation

  • Process mapping and patient flow / journey visualisation

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