The Model
Because brand voices are as varied as the humans who make them, our creative partners are proudly independent and teamed up based on the unique needs of your projects. Our operations and client teams are the red thread who maintain scopes, timelines and budgets, keeping you looped in, engaged and stress-free throughout the process.
Tone Def. Operations
Core Engine
contracting
operations
scoping
resourcing
creative direction
production
Tone Def. Creative
Lean Collective
design experts
strategists
copywriters
content editors
engineers
illustrators
Your engine for best-in class delivery by unique creative teams
The Founders
Mark Kershaw
Mark believes the best work comes through the best working relationships. He has led client teams across studios and disciplines, helping brands of all shapes and sizes craft compelling stories and experiences.
His portfolio spans global brands including ASICS, Nokia/HMD, Adidas and JP Morgan, nonprofits such as Action Against Hunger and WaterAid, and startups like On Deck and Iagon.
As co-founder of Tone Def., he brings that same relationship-led approach to helping mission-led businesses scale their message and make a positive impact.
Marion Ratie
Marion is a digital and creative producer who bridges storytelling and innovation to deliver unique, memorable experiences.
Her portfolio spans social and DOOH campaigns, websites, VR training tools, AI-driven retail touchpoints, kinetic installations and digital education modules. She has collaborated with Google, MARS, Siemens, Innovate UK, ESA, Pride in London and the NHS.
With a background in communications and early roots in music events production, Marion has a long-held belief in creativity as a driver of social equity.
The Collective
The Tone Def. Collective is a celebration of creativity in all its uniqueness and diversity, represented by a passionate team of designers, illustrators, animators, art directors and strategists.
Our values
They define how we work, who we work with, and the relationships we have with both our clients and our collective.
Transparency
We believe in collaboration, not smoke and mirrors. You have direct access to the artists you work with, and production support throughout.
Resilience
Every project is unique, and our model adapts to fit the needs of both brands and artists.
Responsibility
We elevate brands building a better future. We do not partner with Oil, Weapons, Tobacco, and Fast Fashion businesses.
Inclusivity
Our diverse team of talent is dedicated to producing inclusive and empathetic design, equipped to grow and innovate together.
Our collective comes together to bring your brand to life. Take a glimpse of our productions.
Talk to us
Whether you have a project in mind, a question or simply want to say hello, we'd love to hear from you.