This book offers an in-depth study of the role of culture in modern day arbitral proceedings. It contains a detailed analysis of how cultural miscommunication affects the accuracy, efficiency, fairness, and legitimacy in both commercial and investment arbitration when the arbitrators and the parties, their counsel and witnesses come from diverse legal traditions and cultures. The book provides a comprehensive definition of culture, and methodically documents andexamines the epistemology of determining facts in various legal traditions and how the mixing of traditions influences the outcome.