Executive Leadership Team

Lia Belilos

Dutch nationality
Chief People Officer

Erik Blokhuis

Dutch nationality
Group Executive Sales & Business Development

Alan Brookes

British nationality
Group Executive for Europe, UK and Middle East

Mary Ann Hopkins

US nationality
Group Executive for the Americas and for CallisonRTKL

Sarah Kuijlaars

British nationality
Chief Financial Officer and member of the Executive Board

Rob Mooren

Dutch nationality
Group Executive Project Services

Peter Oosterveer

Dutch nationality
Chief Executive Officer

Stephan Ritter

German nationality
Group Executive Innovation and Transformation