Subtle Medical

Summary active Updated Jun 3, 2026

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Location Menlo Park, CA
Latest Stage Series C
Total Raised $86M

Founders

Enhao Gong Co-Founder & CSO (former CEO)
Greg Zaharchuk Co-Founder

About

Subtle Medical is a Menlo Park-based AI medical imaging startup that develops vendor-neutral software to improve image quality and accelerate scans across MRI, PET, and CT workflows on existing imaging systems, helping providers increase throughput without buying new hardware 12. The company was co-founded by Enhao Gong, PhD and Greg Zaharchuk, MD, PhD 1.

Alongside the Series C announcement, Subtle Medical appointed medical imaging executive Ohad Arazi (formerly of Change Healthcare, Zebra Medical Vision, and Clarius Mobile Health) as Chief Executive Officer; co-founder Enhao Gong transitioned to Chief Science Officer 12.

Funding History

Date Round Amount Lead Co-investors
2026-06-02 Series C $33M Morgan Stanley Expansion Capital Shinhan Venture Investment, Fusion Fund, EnvisionX, BRV, Samsung Ventures 12

Total capital raised: $86M 1.

What Investors Say

No independently sourced investor quotes found at this time.

What Founders Say

“What drew me to Subtle is that this isn’t a point solution – it’s becoming the AI layer where health systems run their imaging.”

— Ohad Arazi, incoming CEO, June 2, 2026 1

Sources


  1. Subtle Medical, “Subtle Medical Secures $33 Million in Growth Capital Led by Morgan Stanley Expansion Capital and Appoints Industry Veteran Ohad Arazi as CEO,” PR Newswire, June 2, 2026. Accessed June 2026. https://www.prnewswire.com/news-releases/subtle-medical-secures-33-million-in-growth-capital-led-by-morgan-stanley-expansion-capital-and-appoints-industry-veteran-ohad-arazi-as-ceo-302788005.html

  2. Morgan Stanley Investment Management, “Morgan Stanley Expansion Capital Leads $33M Growth Financing for Subtle Medical,” press release, June 2026. Accessed June 2026. https://www.morganstanley.com/im/en-us/institutional-investor/insights/press-release/morgan-stanley-expansion-capital-leads-33m-growth-financing-for-subtle-medical.html