Mariana Oliveira is a researcher at Centre for Management Studies in Instituto Superior Técnico (IST). She received her MSc in Biomedical Engineering in December 2018 in IST. For her master thesis, she developed an optimization system for elective surgeries scheduling in Centre Hospitalier Universitaire du Québec, in Canada. She received an award as the 2nd runner-up for the best presentation by an early career operational researcher in 2019. In February 2020, Mariana enrolled in the Engineering and Management PhD at IST, and is currently working on her thesis titled "Developing Strategies to Improve Operating Room Management" under the supervision of Professor Daniel Santos and Professor Ana Barbosa-Póvoa. Currently, she is also a member of the research teams in two projects named "ImproveOR: Building Decision Support Tools for Improved Operating Room Management" and "Service Integration in Healthcare: Balancing stakeholder interests and workflows in operating rooms", which aim to improve the operating rooms efficiency using optimization methods. She published 3 papers in specialized journals and 2 book chapters, and her work was presented in 19 national and international conferences. She supervised  a total of 10 master students. Her main research focus are the operations and logistics management, namely the development of mathematical models and processes optimization.