Marguerite Soeteman-Reijnen is Chairman of the Executive Board of Aon Holdings B.V. and Aon Group International N.V. (part of Aon Plc; NYSE AON) and other Holdings entities in the Netherlands and Global Chief Marketing Officer and Member of the Executive Committee of Aon Inpoint. Aon is active in 120 countries around the globe and has 55,000 employees.

In addition Marguerite holds various non-executive roles amongst others chairman of the Supervisory Board of Kelp Blue, vice chairman of the Supervisory Board of international law firm NautaDutilh, member of the global Alumni board of Harvard Business School, member of the Supervisory board of the Dutch Royal Military Museums and member of the Executive Committee of the American Chamber of Commerce in the Netherlands. Marguerite is a.o. also Ambassador of UWC Maastricht.

Marguerite is an expert on diversity and inclusion and is Chair of the Advisory Board of SER Topvrouwen (the Dutch nationwide diversity C suite female empowerment initiative). She also represents the Kingdom of the Netherlands and its private sector in the G20 EMPOWER Alliance and attended next to former Minister of Education, Culture and Science Ingrid van Engelshoven the recent G20 Ministerial Conference on Women Empowerment in Italy.

In 2021 Marguerite was awarded the Ambassador J. William Middendorf II award. This award is presented to individuals who have markedly served to strengthen relations between the United States and the Netherlands.
Marguerite received a Master degree in Law from Erasmus University Rotterdam and is an alumna of INSEAD and Harvard Business School.
She lives in the Hague, The Netherlands and is married to Christiaan Soeteman. They have two children: Alexander and Isabelle.