Sebastian Lukács Gorka (Hungarian: Gorka Sebestyén Lukács; born October 22, 1970)is a British-born American military and intelligence analyst, who was a deputy assistant to US President Donald Trump in 2017. He served from January 2017 until August 25, 2017, when, according to Gorka, he resigned because White House officials were undermining the Make America Great Again platform. Other sources reported that he had been asked to leave the administration, and was no longer allowed back in the White House. He is currently a Fox News contributor.

Gorka was born in the United Kingdom to Hungarian parents, lived in Hungary from 1992 to 2008, and in 2012 became a naturalized American citizen.[4] Gorka has written for a variety of publications, is generally considered politically conservative and has ties to the alt-right.

During his time in the Trump administration, Gorka gave a series of combative interviews with the press in which he defended the administration's positions on national security and foreign policy. Various national security scholars in academic and policymaking circles have characterized Gorka as fringe. Some critics have challenged his academic credentials, his views on Islam and radicalization—as well as his motives for identifying with the Order of Vitéz or supporting the EU-banned Hungarian Guard.

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