In 1995 he then worked as a news anchor for a breakfast show on [[NBC]]'s International Language TV News Station Canal de Noticias. At NBC he interviewed world leaders and covered US Presidential elections. Starting in 1997 Arduino worked as an on-air meteorologist and show presenter for [[The Weather Channel]].<ref name=CNNBio>{{cite web |url=http://www.cnn.com/CNN/anchors_reporters/arduino.guillermo.html |title=Anchors & Reporters: Guillermo Arduino |accessdate=May 23, 2013 |publisher=[[CNN]]}}</ref> He then became a member of [[CNN]]'s weather team as an international weather anchor.<ref>{{cite news |url=http://archives.cnn.com/2002/WEATHER/08/13/weather.causes/index.html |date=August 13, 2002 |accessdate=May 23, 2013 |publisher=[[CNN]] |title=Q&A: Europe's extreme weather}}</ref> In 2002 he became an anchor for ''CNN World View''<ref name=Almonte /> and served as anchor during the [[Iraq War]] and the [[War in Afghanistan (2001–present)|War in Afghanistan]].<ref name=CNNBio /><ref>{{cite news |url=http://www.cnn.com/2011/10/18/world/cnnheroes-kabul-child-labor/?hpt=wo_t3 |author=Kyle Almond |title=Kabul's 'unnoticed' child workers |date=October 18, 2011 |accessdate=May 23, 2013 |publisher=[[CNN]]}}</ref><ref>{{cite news |url=http://www.lanacion.com.ar/644699-la-cnn-con-tonada-argentina |title=La CNN, con tonada argentina |author=Pablo Gorlero |accessdate=May 23, 2013 |publisher=''La Nacion''}}</ref>
Since 2008, Arduino has been the host of ''Clix'', a weekly tech show on CNN en Español and CNN Latino. In December 2011 Arduino left the weather team of [[CNN International]] to assume his new role as CNN anchor and correspondent. Since then he has become the host and anchor of the weekend news show ''Mirador Mundial''.<ref>{{cite news |url=http://cnnobservations.blogspot.ca/2011/12/change-of-weather-at-cnn-international.html |date=December 30, 2011 |accessdate=May 23, 2013 |title=Change Of Weather At CNN International |publisher=''CNN Observations''}}</ref> At [[CNN International]] he has also hosted ''Global Challenges''<ref name=CNNBio /> and is the anchor of the CNN en Español technology news show ''Clix''.<ref name=Almonte />
