Senior Strategist - Healthcare Advertising

London - UK · London · 3-5 years experience · Hybrid · Posted Oct 5, 2026

At a glance

Real Chemistry is looking for a Senior Strategist to join the growing 21GRAMS Strategy team in London.
This is an opportunity to support high-profile global accounts within one of healthcare advertising's most creative agencies, working alongside award-winning creative, strategy and client teams.
You will combine strong research and analytical foundations with creative strategic thinking to explore markets, audiences and competitors.

Conduct primary and desk research to build a clear understanding of markets, sectors, audiences and behaviours.
Develop consumer and stakeholder insights that help shape creative and brand strategy.
Carry out category and competitor analysis, identifying the most relevant opportunities and challenges.
Support senior strategy colleagues across global account work, strategic projects and client deliverables.
Contribute to creative briefs, strategic narratives and presentations, making complex findings clear and engaging.
Work closely with Creative, Client Services, Medical Education and wider cross-functional teams.
Support new business pitches through research, insight development and strategic thinking.
Present thinking confidently to internal teams and, as experience grows, to clients.
Manage multiple priorities and deadlines in a fast-moving agency environment.

Approximately 3-5 years of strategy, planning, research or insight experience within an agency environment.
A strong foundation in market research, desk research, audience insight and competitor or category analysis.
Experience working across more than one client, category, sector or therapy area.
An understanding of how agency teams operate, including fast-paced delivery and changing priorities.
Strong storytelling and presentation skills, with the ability to distil information into clear, persuasive recommendations.
A collaborative mindset and the potential to grow into greater strategic ownership over time.

Real Hybrid and Regional Teams (Real HART) approach designed to foster collaboration, learning, innovation, and meaningful relationships while providing flexibility where appropriate.
For employees located within a one-hour commute of a Real Chemistry office, in-person attendance is required two days per week, either from a Real Chemistry office or when working onsite with clients.
Employees in regions without a nearby office may work remotely and come together throughout the year for collaboration, culture-building, learning, and team connection opportunities.