Gratsiela Kostova is a PhD student in the NanoManufacturing Group supervised by Professor Michael De Volder at the University of Cambridge's Institute for Manufacturing. She is co-supervised by Professor Dame Clare Grey in the Department of Chemistry. She is a member of the UKRI CDT in Sensor Technologies and Applications  (SensorCDT, Cohort 2023) and an associate member of the Royal Society of Chemistry. Her research interests are directed at the operando optical probing of Lithium-ion batteries, for the reduced degradation of cells.  

Before starting her PhD, Gratsiela was a research scientist working on the optimisation of potassium sensitive ion-selective electrodes at Kalium Health, Cambridge. Gratsiela received a Masters Degree in Chemistry from the University of Warwick.