Dr Konstantinos Parasyris is a Postdoctoral researcher at the Barcelona Supercomputing Center where he works on Resilience and Optimization. He received the B.Sc., M.Sc., and Ph.D. at the Electrical and Computer Engineering at the University of Thessaly (Greece). His research is focused on fault tolerance and application level error resiliency. He has been involved in FP7 ScoRPiO and H2020 Uniserver European projects. In ScoRPiO he actively participated in the development of a task-based approximate programming model, whereas in Uniserver he participated on dynamically identifying the voltage margins of modern processors for reliable operation.