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David HallendorffDH

Average response time: 1 hour

About David

I help digital health, healthcare SaaS and diagnostics companies launch products, enter the NHS, and scale revenue through clear go-to-market strategy, strong commercial execution, and procurement-aware market access.
I’m an Interim Commercial & Growth Consultant with 8+ years’ experience across radiology SaaS, healthcare AI, diagnostics and genetic testing. I specialise in turning good healthcare products into commercially successful NHS solutions.
My core strengths sit at the intersection of strategy and delivery:
Go-to-market strategy (ICP definition, positioning, pricing, packaging, launch planning)
NHS market access, procurement navigation, and tender / bid support
Product launch and commercialisation
Commercial growth, pipeline build and deal execution
Partnership-led expansion with Trusts, ICBs, PCNs and delivery partners
Commercial-operational alignment to support scalable growth
Recent engagements include launching an AI radiology workflow product into 22 NHS sites, contributing to a £4.5m NHS commercial pipeline, and scaling a healthcare AI training platform to £2.5m in NHS contracts.
I typically support projects such as:
- Designing and executing GTM strategies
- Building NHS value propositions and ROI cases
- Supporting tenders, bids and framework responses
- Structuring pricing and commercial models
- Creating sales playbooks and messaging
- Converting pilots into long-term contracts

What differentiates me is my ability to bridge commercial, operational and NHS stakeholder worlds. I don’t just advise, I execute, close and embed.
Clients engage me when they need to move faster, reduce risk entering the NHS, and build a repeatable commercial engine.
Available for interim, fractional or project-based engagements.
  • English

    Native or bilingual

Can work on-site
Hitchin (up to 50km)

Experience

  • (Hexarad)
    Interim Senior Commercial Consultant
    January 2025 - January 2026 (1 year)
    London, United Kingdom
    • • Led NHS market-access and commercial growth strategy for radiology SaaS, teleradiology and AI workflow products.
    • • Owned tender and bid activity contributing to a £4.5m NHS pipeline (70% achieved during contract).
    • • Launched OptiRad AI product into NHS market, securing pilot deployment across 22 NHS sites.
    • • Built GTM messaging, value propositions and ROI business cases.
    Business intelligence Commercial SAAS Procurement Response to tender
  • SaaS
    Senior Business Operations Consultant
    January 2024 - January 2025 (1 year)
    • • Designed GTM and commercialisation strategy for AR/VR clinical training platforms.
    • • Built partnerships with ICBs, PCNs and provider groups.
    • • Closed five NHS site deployments (£2.5m total contract value).
    • • Created KPI frameworks covering adoption and utilisation.
  • Diagnostics Provider
    Interim Business Development & Operations Manager
    January 2023 - January 2024 (1 year)
    • • Led NHS partnership engagement across 50+ diagnostic sites.
    • • Supported procurement exercises and pathway inclusion.
    • • Improved onboarding by 25% and increased referrals by 30%.

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Education

  • Human Movement Sciences
    University of Pretoria
    2012
    Degree in Human Movement Sciences focussing on injury recovery in sports post operation.

Skill set

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