Petteri Kivimäki is the CTO of the Nordic Institute for Interoperability Solutions (NIIS). The NIIS is an association founded jointly by Finland and Estonia which mission is to develop e-governance solutions, kicking off with the X-Road technology.

Before joining the NIIS, Petteri worked as a technology architect in a leading global professional services company. During years 2014–2017 Petteri worked at the Population Register Centre of Finland as an information systems manager. He was the technical lead of X-Road implementation project in Finland and was coordinating the joint open source development of the X-Road solution between Finland and Estonia.