be at the head of vs organize

be at the head of

organize

verb
  • To arrange in working order. 

  • To furnish with organs; to give an organic structure to; to endow with capacity for the functions of life 

  • To constitute in parts, each having a special function, act, office, or relation; to systematize. 

  • To sing in parts. 

  • To band together into a group or union that can bargain and act collectively; to unionize. 

How often have the words be at the head of and organize occurred in a corpus of books? (source: Google Ngram Viewer )