Gunnar Heikkilä is a Senior Specialist in the Machine Intelligence area at Ericsson Research. Since 1996, he is focusing on end-user quality assessment and measurements, including standardization in 3GPP, ETSI and ITU-T. He joined Ericsson 1987, and worked with control system software for military defence radar systems, and later with software design for SDH optical fiber transmission systems. Gunnar holds an M.Sc. in Computer Science from Luleå University.