Geir Jón Þórisson er fyrrverandi yfirlögregluþjónn og varaþingmaður Sjálfstæðisflokksins. Hann fæddist í Reykjavík árið 1952 en flutti til Vestmannaeyja árið 1974 þar sem hann bjó til 1992. Geir Jón starfaði hjá lögreglunni í samtals rúmlega þrjá áratugi, fyrst í Vestmannaeyjum og síðar í Reykjavík þar sem hann gegndi starfi yfirlögregluþjóns til ársins 2012. Á ferli sínum hjá lögreglunni í Reykjavík var Geir Jón starfandi sem yfirlögregluþjónn á valdatíma búsáhaldabyltingarinnar 2008-2011 og sá um gerð skýrslu um skipulag lögreglu við mótmælin á því tímabili. Árið 2013 bauð hann sig fram til Alþingis fyrir Suðurkjördæmi en komst ekki inn á þing. Hann sat hins vegar á Alþingi sem varaþingmaður Suðurkjördæmis í þrjú tímabil: febrúar til mars 2014, apríl til maí 2015 og ágúst til september 2016. Geir Jón hefur einnig látið sjá sig í kvikmyndum, meðal annars í myndinni Borgríki frá 2011 þar sem hann lék yfirlögregluþjón. Eftir starfslok hjá lögreglunni flutti hann aftur til Vestmannaeyja ásamt eiginkonu sinni. Geir Jón er um 200 sentímetrar á hæð og tók virkan þátt í starfi Hvítasunnukirkjunnar.
Geir Jón Þórisson is a former chief police officer and substitute member of parliament for the Independence Party. Born in Reykjavík in 1952, he moved to the Westman Islands in 1974 where he lived until 1992. Geir Jón worked with the police for over three decades, first in the Westman Islands and later in Reykjavík where he served as chief police officer until 2012. During his tenure as chief police officer in Reykjavík, Geir Jón was on duty during the Pots and Pans Revolution of 2008-2011 and was responsible for compiling a report on police organization during the protests of that period. In 2013 he ran for parliament from the South Constituency but was not elected. However, he served in parliament as a substitute member for the South Constituency during three periods: February to March 2014, April to May 2015, and August to September 2016. Geir Jón has also appeared in films, including the movie City State from 2011 where he played a chief police officer. After retiring from the police force, he moved back to the Westman Islands with his wife. Geir Jón stands approximately two meters tall and was actively involved in the Pentecostal Church for many years.