Johan Eker is a Principal Researcher at Ericsson, Sweden. He received his Ph.D. in automatic control from Lund University in 1999. After a brief stint in industry he joined the Ptolemy group at UC Berkeley in the US in 2001 working on the the CAL Actor Language, which later was turned into a global ISO standard by the MPEG organisation. He has been with Ericsson Research since 2003 working on embedded software for mobile phones, including operating systems, programming languages, compilers, and distributed systems. During the period 2008-2011 he acted as the coordinator of the European FP-7 research project ACTORS. Since February 2013 he is also adjoint associate professor at Lund University.