In this article, Nikolaus Pitkowitz discusses a decision of the Austrian Supreme Court holding that “an arbitrator’s alleged eye rolling does not by itself constitute a reason to challenge the arbitrator” for bias. As Mr. Pitkowitz explains, “an occasional showing of emotion by, for example, frowning, raising eyebrows, smiling or even eye rolling is part of human nature and still a long way from being unable to assess a dispute objectively and factually.”