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No. 3 Clinician voices

Karan Rajan

Clinical Lecturer and Surgeon, Imperial College London • United Kingdom

NHS surgeon and clinical educator delivering highly accessible medical and technology concepts to millions.

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Karan Rajan ranking card, The HealthTech Signal Top 100

The Signal

He leverages immense social reach to debunk medical misinformation and explain advanced healthcare tech trends to both public and clinical audiences.

Who Karan Rajan is

NHS surgeon and clinical educator delivering highly accessible medical and technology concepts to millions.

He leverages immense social reach to debunk medical misinformation and explain advanced healthcare tech trends to both public and clinical audiences.

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At a glance

Role
Clinical Lecturer and Surgeon
Organisation
Imperial College London
Platforms
YouTube, LinkedIn
Based in
United Kingdom, Europe
Influence Score 94editorial estimate, see how it is built
Reach (25% weight)99

Audience size across LinkedIn, X, YouTube, podcasts and newsletters.

Engagement (20% weight)97

How much the audience actually reacts, comments, shares and subscribes.

Credibility (25% weight)89

Clinical, research, operating or investing track record behind the commentary.

Consistency (15% weight)96

Publishing cadence and how reliably they show up with original work.

Industry impact (15% weight)88

Whether decision makers, policy and capital actually move on what they say.

Scores are subjective editorial estimates compiled by our research desk from public profiles and published work. They are opinion, not measurement, and they are not a judgement of any person's character or ability.

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