In 1977, Michèle graduated with distinction in dental studies from the ULB, Université Libre de Bruxelles.
During her period as President-Elect (2004–2005), Michèle centred her efforts with the review of the FDI governance and finances.
Under her Presidency, the FDI made had a positive balance sheet for the first time in ten years.
During the General Assembly of 2007, the FDI decided to implement the World Oral Health Day, which will be held on 12 September each year.
She obtained tangible results during those visits and always received large media coverage.En 2005 presentó en Madrid el libro "Las primeras mujeres dentistas en España" escrito por el doctor Julio González Iglesias,siendo recibida por la doctora Pilar Martín Santiago,presidenta de la Asociación de Mujeres Dentistas en España (AMUDENES).
The FDI also launched conferences tackling ethics and its role in international health NGOs.
Travelling around the globe with the message ‘No general health without oral health» allows Michèle Aerden to meet and collaborate with exceptional personalities beyond the dental world: Professor Muhammad Yunus (micro credits) Dr Bertrand Piccard (ballooner) Madame WU Yi, (vice-President China Republic of people) Michelle Bachelet (President of Chilli) etc.
Through her 20 years of activities with the FDI, and certainly in the last two years as president, the contribution of Michèle Aerden to improving the quality of life and well-being of hundred of millions of people is recognized by her peers with numerous awards and also by the FDI partners and the dental industry.