About mci group

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Our capabilities & group structure

We are the independent global marketing communications group with a human-first approach. We combine our agency talents in the fields of strategy, creativity, account management, technology, operations, production, communications and research to help clients stay ahead of emerging trends, embrace digital transformation, and thrive in the engagement revolution.

Engagement & Events

Transforming audience interactions into movements. High-impact events and experiences designed to connect, inspire, and drive industry conversations.

Strategic Communications & Public Affairs

Navigating complexity with intelligence. Crafting influence-driven strategies that elevate communication, reputation, and policy impact.

Social Media & Brand Content

Inspiring through immersive storytelling. Multi-platform narratives that shape perception, build relevance, and drive brand influence.

Creative Technology & Production

Always on the edge of digital engagement. AI, immersive tech, and experience production reimagining how brands continuously connect.

Data & Research

AI-powered intelligence for precision and growth. Leveraging data to enhance engagement, optimise experiences, and personalise at scale.

Community & Association Management

Strengthening ecosystems that matter. Advocacy, governance, and engagement strategies that create enduring relevance.

Our agencies

We combine the talent, technology and creative power of our wholly owned agency network to connect brands, institutions and communities with their audiences in the digital age.

Our global Impact

62
offices and franchises
5,100
client projects
1,823
employees
34
countries
€575m
turnover
35+
years of experience

Where we are

Present across all five global regions — North America, Latin America, Europe, IMEA, and APAC — mci group delivers local excellence through 62 offices in 34 countries, blending international scale with deep regional expertise.

mci group leaders

United by a shared belief that people drive meaningful progress, our leaders support cross-country collaboration, share best practices, and guide our network of specialised agencies to deliver impactful, locally relevant solutions on a global scale.

Sebastien Tondeur
Chief Executive Officer
Jurriaen Sleijster
President & COO
Robin Lokerman
Group President
Oscar Cerezales
Chief Strategy Officer
Erin Fuller
Global Head of Association Solutions
Laurence Julliard
Global Head of Client Solutions
Olivier Giauque
Chief Financial Officer
Idoia Rodés Torróntegui
Group President People & Culture | Belgium | logos & insidery
Richard Torriani
Chief Operating Officer – Americas
Edouard Duverger
Chief Information Officer
Sylvia André
Chief Marketing Officer mci group and Chief Creativity Officer MCI Agency
Tom Gibson
Chief Executive Officer – USA