catflap.org Online Dictionary Query

  being the leader of /bˌiːɪŋ ðə lˈiːdəɹ ɒv/
  leitend, der Leiter seiend, die Leitung innehabend, anführend
     Synonyms: leading, heading, heading up, being the head of
  
   see: lead sth., be the leader of sth., head sth., head up sth., be the head of sth., led, been the leader, headed, headed up, been the head, lead / head a delegation, lead / head a rehabilitation project