This chapter focuses on national and international concepts of judicial independence and impartiality. As the Bologna and Milan Global Code of Judicial Ethics (2015) makes clear, judicial independence requires that Judges be independent of the legislative and executive branches of the government. Clearly, international Judges must be entirely independent of both governments and international organizations in the performance of their judicial duties. And they must be impartial and avoid any conduct which might give an appearance of partiality; they must not sit on any case where there is a reasonable suspicion or appearance of partiality, and must treat the parties equally, with no partiality or prejudice, with no fear or favor. In international criminal tribunals, this requires treating equally the prosecution and the accused. The chapter then discusses judicial selection, judicial assignments, Court Presidents and judicial bias.