Career
Johnson"s college career spanned four season where he averaged 11.6 points per game whilst making a Long Island University record 124 appearances. He ranks 11th all-time at the school in scoring (1,433) and is second in both three-pointers made (240) and attempted (666). In September 2011 he signed a contract with Ilissiakos in Greece, but in November 2011 he moved to Cypriot club APOEL. He then played one season with Sutor Montegranaro.
In November 2013, he signed with Basket Ferentino.
He was waived on 18 December 2013. On 23 December 2013 he signed with Vanoli Cremona.
On March 25, 2015, he signed with Pallacanestro Biella of the Serie A2 Basket. International career
Johnson was part of the Great Britain national basketball team that competed at the 2012 Olympics & 2011 Eurobasket championship in Lithuania.