Humberto de la Calle Lombana is a Colombian lawyer and politician. He served as Vice President of Colombia from 1994 to 1997. De La Calle served in the cabinet as Interior Minister under two Presidents, Andrés Pastrana and César Gaviria. He also served as Ambassador to Spain and the United Kingdom. After 2003, De La Calle worked at his own Law firm which specialises in advising and representing international clients in Colombia. In October 2012 he was appointed by President Juan Manuel Santos as the chief negotiator in the peace process with the FARC.

Juan Manuel Santos Calderón is a Colombian politician who was the President of Colombia from 2010 to 2018. He was the sole recipient of the 2016 Nobel Peace Prize.