 In October 2009 , Hasselbaink trained with Conference South side Woking to help keep himself fit and do some coaching . He then worked with Chelsea 's under @-@ 16 squad and coached at the Nike Academy while taking his UEFA ' B ' and ' A ' licences . From July 2011 to January 2013 he was a member of the coaching staff at Nottingham Forest , leaving the club when manager Sean O 'Driscoll was sacked . 
