Norwegian Academy of Engineering

Chairman of the IEEE Computer Society Blockchain Committee

China Computer Association CCF Distinguished Blockchain Expert

Director of Research Center for Computational Innovation, University of Stavanger, Norway.

Visiting Professor, Stanford University

Chair Professor of Tsinghua University

Adjunct Professor, University of Oslo, etc.

Together with Academician Chen Chun (expert to block the experts on the block chain to Xi Da), they became the 4 block chain experts hired by the China Computer Federation CCF.