Participant Type: IndividualBased on the existing information, Ruud Hermans has been involved in 1 investor-State dispute.Judge 1 case in this roleJSC DTEK Krymenergo v. Russian Federation, PCA Case No. 2018-41 View case details1 source documentitalaw180924 - DTEK v. Russia, Judgment of the Court of Appeal of The Hague, February 24, 2026 (Dutch)