· Professor, University of Helsinki2023–
· Associate Professor, University of Helsinki2018–2023
· Lecturer At A Course GNSS Technologies, Aalto University2014–2017
· Visiting Researcher, University of Calgary2012–2012
· Research Professor, Finnish Geospatial Research Institute (FGI), NLS2010–2020
· PhD, Pervasive computing (Navigation), Tampere University of Technology2010–2013
· Postgraduate course, Patents, Teknillinen korkeakoulu-Tekniska högskolan2007–2008
· Information Analyst, VTT2006–2010
· Researcher, University of Helsinki, Department of Computer Science2004–2005
· Biochemistry, Statistics, Teknillinen korkeakoulu-Tekniska högskolan2003–2010
· Master of Science, Computer Science, Mathematics, Physics, University of Helsinki1993–2003
· YO, Alppilan lukio1989–1992