Gürhan Özkayar is a Ph.D. candidate in Precision and Microsystems Engineering at Delft University of Technology (Delft, The Netherlands). He received his B.Sc. degree in Biomedical Engineering from Başkent University (Ankara, Turkey) in 2009 and his M.Sc. degree in Biomedical Engineering from Middle East Technical University (Ankara, Turkey) in 2015. He worked as a Modality Specialist for Operating Room and Intensive Care Unit Medical Devices in Alpler Medikal ve Sağlık Ticaret Ltd. Şti. (Ankara, Turkey) between 2010 and 2011. After completing his military service in 2012, he joined the BioMEMS group at METU-MEMS Centre (Ankara, Turkey) and worked as a Researcher between 2013 and 2015, and studied cancer cell enrichment from blood. Then, he joined Mikro Biyosistemler Inc. (Ankara, Turkey) and worked as an R&D engineer focusing on the development of microfluidic technologies for cancer cell separation between 2015 and 2019. His current research areas include microfluidic flow control, 3D printing (photopolymerization), and the miniaturization of microfluidic components, such as pumping and valving mechanisms.