Hi, I am Mariëlle

A passionate freelance sustainability consultant with over 9 years advisory and assurance experience in a multinational environment

What I can do

I’m an all-round sustainability professional, experienced with strategy, implementation, reporting, communication and auditing. A change manager who enjoys getting sustainability in the hearts and minds, to move organizations forward and to create a positive impact on people, planet and profit.


Experienced developing sustainability strategies involving internal and external views and analysis. Used to guide implementation processes ensuring solid integration into the business.


Accredited sustainability auditor, with over 8 years assurance experience working for KPMG Sustainability. Solid eye for data and information quality, accuracy and completeness.


Setting-up conferences and meetings for higher management to discuss direction around sustainability. Providing trainings and workshops on sustainability for e.g. employees or students.

My Work

I have work experience in b-2-b and b-2-c sectors, globally. I have a passion for retail and consumer markets. Clients supported in this field include supermarket chains, food and beverages organizations and consumer goods companies. Below a selection of the organizations worked for over the last 3 years.

A sustainable world means working together to create prosperity for all.

Jacqueline Novogratz

Sustainable development is the pathway to the future we want for all. It offers a framework to generate economic growth, achieve social justice, exercise environmental stewardship and strengthen governance.

Ban Ki-Moon

Let’s work together

I’m always excited to discuss new projects. If you are looking for support, please contact me.

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