Arnaldo Otegi Mondragón is a politician from the Basque Country who has been the General Secretary of Basque nationalist party EH Bildu since 2017. He was member of the Basque Parliament for both Herri Batasuna and Euskal Herritarrok. He was a convicted member of the ETA, an armed separatist organization, in his early years. He was one of the key negotiators during the unsuccessful peace talks in Loiola and Geneva, in 2006. From Wikipedia
