A boutique medical communications agency built around a senior team of expert medical writers.

At Dartstone, your projects aren't won by senior directors and passed down to junior staff. You get decades of strategic, scientific, and operational expertise on every single deliverable.

Our Team

Liam Sebag-Montefiore

Director
Liam Sebag-Montefiore

Liam Sebag-Montefiore

Director

Liam brings deep academic rigor to Dartstone, drawing on a DPhil in Cardiovascular Medicine and 18 years as a research scientist. Since starting writing in 2013, Liam progressed to Editorial Services Director, overseeing compliance and a team of 30 writers while translating complex data into clear, compelling stories across diverse therapy areas, before co-founding Dartstone, based on his ideas for how medical communications could be delivered better.

Suzanne Hankin

Director
Suzanne Hankin

Suzanne Hankin

Director

Suzanne drives the operational and strategic success of our partnerships, drawing on 25 years of agency leadership. Having guided biotech and pharma projects from inception to launch, she excels in everything from pivotal publications to global events. Suzanne co-founded Dartstone to leverage her skill for nurturing relationships, ensuring client goals are consistently met on time and on budget.

David Lester

Scientific Director
David Lester

David Lester

Scientific Director

David delivers impactful global and regional communication strategies, drawing on over 7 years of experience as a Certified Medical Publication Professional (CMPP™). He specializes in publications, Medical Affairs, and market access, navigating highly complex therapy areas including oncology, immunology, and rare diseases.

Daniele Guido

Associate Scientific Director
Daniele Guido

Daniele Guido

Associate Scientific Director

Dan transforms raw data into real-world clinical impact, drawing on 8 years of experience in MedComms. His portfolio spans the medical-to-commercial divide, guiding product lifecycle strategies through scientific platforms, KOL advocacy, symposia, advisory boards, and comprehensive training materials.

Sinéad Malone

Medical Writer
Sinéad Malone

Sinéad Malone

Medical Writer

Sinéad provides a vital "client-side" perspective, drawing on over 10 years of experience at a leading global FMCG company. She specializes in omnichannel promotional campaigns targeting HCPs, patients, and consumers, orchestrating everything from digital assets to international industry-sponsored symposia.

Grace Allport

Medical Writer
Grace Allport

Grace Allport

Medical Writer

Grace brings invaluable real-world clinical insight to Dartstone, drawing on 5 years of frontline experience as a practicing medical doctor. She leverages her background in respiratory medicine, ENT, psychiatry, and emergency medicine to craft precise narratives for Delphi panels, primary research, publications, and complex literature reviews.

Our Expertise

We partner closely with our clients to deliver high-quality scientific content efficiently and independently – without unnecessary complexity – ensuring continuity, agility and value at every stage.

  • Publications (manuscripts, abstracts, posters)
  • Slide decks (medical, commercial, and internal)
  • Digital assets (websites, newsletters, social & email campaigns)
  • Multimedia Content (podcasts and webinar content)
  • Infographics and visual aids
  • eLearning and training modules
  • Advisory boards (in-person and virtual)
  • Investigator meetings
  • Scientific symposia and steering committee meetings
  • Congress support and booth content
  • HCP engagement strategy
  • Meeting insight reports
  • Communication strategy and planning
  • Publication planning and gap analysis
  • Competitor landscape analysis
  • Scientific platform development
  • Digital engagement strategy
  • Onboarding programs

Our proven impact