In October 2010, Schwebel was appointed by the UN Secretary-General Ban Ki-Moon as the Chairman of the Kishanganga/Neelum River Hydro-Electric Project (Pakistan v. India) Arbitration. He also acted as counsel and advocate for Colombia in its territorial and maritime delimitation dispute with Nicaragua and for Belize in its territorial, insular and maritime boundary dispute with Guatemala. In October 2007, Judge Schwebel was appointed to a three-member tribunal tasked with determining whether or not to annul the award (on jurisdiction) rendered in the dispute between the UK registered firm Malaysian Historical Salvors and the Government of Malaysia.