Leadership Teams

Roger Tondeur is Founder, Chairman and President of MCI. Roger founded MCI in Geneva, Switzerland, in 1987. The company grew quickly in size and reputation to become the leading event management company in Geneva and a second office opened in Zurich in 1999. Further expansion has been swift, with year-on-year growth and opening offices across Europe, Asia-Pacific, the Americas and India, the Middle East and Africa.

Sebastien Tondeur is Chief Executive Officer of MCI. Under his leadership, MCI has grown three times larger and is now truly global with a presence in 31 countries, making it one of the biggest events group worldwide with a turnover of €434 million.

Jurriaen Sleijster is President & COO of MCI. As a member of MCI’s Executive Committee, Jurriaen is jointly responsible for the leadership and strategic direction of an international group with offices around the world. Day-to-day, Jurriaen leads management processes, a range of service departments and the integration of new MCI offices.

Robin Lokerman is Group President of MCI. Robin has driven MCI’s expansion outside of Europe since 2007. Under his leadership, the company has registered impressive growth in Asia-Pacific, the Americas and India, the Middle East & Africa and today serves a growing number of clients from over 30 offices outside of Europe.