Senior Strategist (FTC maternity cover) in London

23red is a purpose‑driven creative agency. We develop brands and campaigns that change behaviour for the better and have a positive impact on people’s lives. We work with government bodies, charities, and mission‑led organisations on issues such as tackling climate change, promoting clean energy and preventing gambling harm. Our work is designed to deliver real‑world outcomes. We specialise in integrated campaigns, as well as ideas delivered through money can’t buy channels. Our work crosses advertising, PR, partnerships, media, trusted voices, and influencers. Our values guide everything we do: Collaborative, Clever, Curious, Creative, and Caring.

We are looking for an experienced Senior Strategist (5‑6 years exp) to join our Strategy team on a 12‑month maternity cover. The role has a core focus on integrated behaviour‑change campaigns, as well as PR‑led, partnership‑driven executions. The work is primarily for government and charity clients. You will lead strategic thinking across existing accounts and new business. You will shape insight‑led strategies, guide creative development and act as a senior strategic partner to both clients and internal teams.

What Will You Be Doing?

• Lead strategy across integrated and PR‑first, partnership‑led campaigns
• Provide senior strategic input across client work and new business pitches
• Lead research and insight development using qualitative, quantitative, generative AI and desk‑based methods
• Analyse data, evidence, and context to identify clear and actionable insights
• Develop behaviour‑change strategies, creative propositions, and campaign frameworks
• Work closely with creative, PR, social and account teams to shape strong creative work
• Write clear and inspiring creative briefs
• Present strategy confidently to senior clients and stakeholders
• Design evaluation frameworks and lead campaign effectiveness reviews
• Commission and interpret data and research to demonstrate impact
• Explore innovative and technology solutions beyond the brief – including the latest in Generative and Agentic AI
• Act as a senior voice within the Strategy team and support the development of more junior colleagues

You’re Likely to Be

• An established Senior Strategist or Senior Planner from a creative, PR or integrated agency
• Strong in PR, partnerships, and earned‑led campaign thinking
• Experienced working with government, public sector, charity, or purpose‑driven organisations
• Comfortable operating at senior client level
• Motivated by work that focuses on behaviour change and social impact

Competencies

• Strong strategic and analytical thinking with the ability to simplify complex challenges
• Solid understanding of qualitative and quantitative research methods
• Confidence working with and interrogating data to generate insight
• A clear understanding of how PR, partnerships, and integrated communications drive results
• Skilled with Generative AI techniques, including writing brilliant prompts and judging generative outputs
• Strong written and verbal communication skills
• Good organisation and the ability to manage multiple priorities

You’ll Thrive at 23red If You Are

• Creative and able to push thinking beyond the obvious
• Collaborative and comfortable working across disciplines
• Thoughtful, emotionally intelligent, and confident in senior conversations
• Curious about how and why people behave the way they do
• Committed to doing work that makes a positive difference

Diversity and Inclusion

We are committed at 23red to creating a team that represents the rich diversity of society, and we strive to create a working environment that ensures everyone can be heard and valued for their contributions. We welcome all applications, especially those from individuals who are underrepresented in our industry. This includes people from ethnic minorities, LGBTQI+ people, individuals with disabilities (both seen and unseen) and people of any age and class. In considering candidates, we look for culture add rather than culture fit – we do not seek to create a homogenous culture and value the diversity of perspectives the team bring to the table. We do not discriminate based on race, colour, ancestry, religion, national origin, sexual orientation, age, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.