Slavik Tabakov is a member of the IOMP Executive Committee since 2000, and member of the Administrative Council of the International Union for Physical and Engineering Sciences in Medicine (IUPESM) since 2009. He is a member of the Editorial Boards of: the Journal “Health and Technology”, Springer and the CRC Press Book Series “Series in Medical Physics and Biomedical Engineering”. In 2013 he became the Founding Co-Editor (together with Perry Sprawls) of the IOMP e-Journal “Medical Physics International”.