Switzerland
http://www.debevoise.com/dietmarprager
http://globalarbitrationreview.com/news/article/15189/holcim-files-against-venezuela-icsid/ (requires subscription)
http://www.holcim.com/media-relations/latest-releases/latest-release/article/holcim-receives-final-compensation-installment-for-nationalization-of-its-operations-in-venezuela.html
http://globalarbitrationreview.com/news/article/18498/holcim-rebuffs-compensation-offer-sells-latam-assets/ (requires subscription)