Rushden & Diamonds Born in
Kettering, Northamptonshire,
Oxford United In 2006 Dempster signed for
Oxford United during the January transfer window.
Kettering Town From 2007 he has been playing for
Kettering Town, where he captained the side to promotion to the Conference Premier, and was awarded Players' Player and Supporters' player.
Crawley Town Following a string of impressive performances for
Kettering Town, Dempster was signed by
Crawley Town for an undisclosed fee in the 2011 transfer window, in the middle of their promotion-winning season that saw Crawley elevated to the Football League.
Mansfield Town In May 2012, Dempster was released by Crawley after being deemed surplus to requirements following a handful of League 2 appearances that year and a loan spell at Conference Premier club Mansfield Town. He signed for Mansfield permanently for the 2012/13 season. After an injury and a spell on loan at Tamworth, Dempster established himself as a regular in the side that went on to win the Conference Premier on the last day of the season. Dempster signed a new contract at The Stags for 2013/14, making a return to the Football League. He captained the team in the absence of Adam Murray. ==International career==