Katherine O’Brien Communications
Turning complex healthcare, medicine, and research into clear, compelling narratives.
I’m a medical writer and editor who specializes in healthcare systems, clinical practice and public health, with growing work in research, diagnostics and medical technology. I work with healthcare organizations, academic institutions and health tech companies to translate complex clinical and scientific topics into clear, engaging content for professional and patient audiences.
Writing services
- Long-form articles and features
In-depth reporting on clinical practice, public health, research and healthcare systems - White papers and special reports
Translating complex clinical, scientific and technical material into structured, audience-focused content - Case studies
Translating complex clinical, research or operational outcomes into clear narratives that demonstrate real-world impact - Profiles and thought leadership (including ghostwritten content)
Interviews and narrative pieces featuring clinicians, researchers, faculty, students and healthcare leaders - Patient and donor stories
Sensitive, story-driven content that highlights lived experience and impact
Editorial support
- Substantive and line editing
Refining structure, clarity, and flow in complex or technical drafts - Rewriting and content development
Transforming early-stage or technical material into publication-ready content - Editing AI-assisted drafts
Strengthening accuracy, coherence and voice in AI-supported content
Selected clients
Current and past clients include:
- Canadian Society for Medical Laboratory Science (CSMLS)
- College of Physicians and Surgeons of Ontario
- American College of Cardiology
- American Nurses Association
- NADONA (National Association of Directors of Nursing Administration)
- University of Toronto Faculty of Medicine
- McGill University Faculty of Medicine
- Dentsply Sirona
Email me at katherineobrn@gmail.com to discuss your project and get started.

-
"We were very happy with the collaboration with Katherine on our whitepaper on intraoral scanning."
Anna Heidecker
Former Global Head of Marketing, Dentsply Sirona -
"Katherine’s writing is compelling and impactful. Her work has greatly elevated the storytelling of UNB’s Alumni Office."
Natalie Montgomery
Associate Director, Communications
UNB Alumni Office/Associated Alumni -
"Katherine understands our audience and what they need to know about the assigned topic and has picked up the CSMLS tone and voice effectively. "
Janet Whalen
Marketing & Communications Manager
Canadian Society for Medical Laboratory Science
