Robert Virding works for Erlang Solutions Ltd as a Principal Language Expert. While at Ericsson AB, Robert was one of the co-inventors of the Erlang programming language. As one of the original members of the Ericsson Computer Science Lab, he took part in the original system design and contributed much of the original libraries, as well as to the current compiler. While at the lab he also did a lot of work on the implementation of logic and functional languages and on garbage collection. He has also worked as an entrepreneur and was one of the co-founders of one of the first Erlang start-ups (Bluetail). Robert also worked a number of years at the Swedish Defence Materiel Administration (FMV) Modelling and Simulations Group. He co-authored the first book (Prentice-Hall) on Erlang, and is regularly invited to teach and present at conferences and universities worldwide.