Mireille Semeleer currently serves as Kwartiermaker/Netwerksecretaris Zorg & Veiligheid Gelderland Zuid at Gemeente Nijmegen, a position held since August 2024. Prior experience includes roles at Radboudumc Health Academy as Bedrijfsvoerder from June 2022 to August 2024, and significant tenures at Radboudumc from July 2008 to August 2024, culminating in roles such as Team Lead Business Operations Office and Adviser for Healthcare Quality & Patient Safety, among others. Mireille Semeleer has also contributed as a guest lecturer at Radboud University Nijmegen and Radboudumc Health Academy, focusing on ultrasound practices and leadership in care. Educational qualifications include a Master's degree in Health Policy Innovation and Management from Maastricht University and a Bachelor's degree in Health, Medical Imaging and Radiation Therapy from Fontys Hogeschool Eindhoven. Previous experience includes working as a Radiation Therapist at NKI-AVL.