Koosar is a passionate and dedicated dental hygienist. In 2016, she earned her BSc in Dental Hygiene from the University of Utrecht in the Netherlands. Early in her career, she provided dental care for the less fortunate in the south of Spain and conducted research on the dental care program of the country. Koosar has also conducted scientific evidence based research on multiple devices in reducing tooth sensitivity in addition to completing multiple courses focused on identifying and treating cancers of the head and neck.

She has worked in different private practices throughout the Netherlands where she has specialised in treating gum problems, after-care of implants, treating patients with dental fear, in addition to treating children.

In the Netherlands she holds pride in mentoring dental hygienist students by providing them the opportunity to take part in a robust internship program at her clinics.

Koosar is well-known for being a caring and patient centric professional with gentle hands that always get the best dental results.

In her free time, she has continued to amplify her passion for Dental hygiene by educating people about the importance of good dental health through social media platforms where she has had the honor of collaborating and treating a variety of Dutch celebrities.