Roos R. possesses diverse experience across various roles, primarily focused on healthcare, sustainability, and community engagement. Currently serving as a volunteer at Huis van de Tijd and as a care worker at Mantelaar, Roos also fulfills responsibilities as an administrative support staff member at Insights Zorg. In addition to these roles, Roos contributes to the writing and organization of newsletters centered on sustainability and positive climate news for Happy Times, and maintains a freelance blogging career addressing topics of sustainability, mindset, and health through Life of Maart. Engagement in educational initiatives is evident through past roles, including Secretary for the Amsterdamse Studenten Alpen Club and Committee Member for IFMSA-VU. Roos's academic background includes a Bachelor's degree in Health Sciences from Vrije Universiteit Amsterdam, complemented by relevant research experience at Amsterdam UMC.