Graphviz example: organization chart

// Inspired by
//    https://stackoverflow.com/a/7374543/180275

digraph ORG {

  ranksep=0.2;

  node[shape=box3d width=2.3 height=0.6 fontname="Arial"];

  CEO     [ label = "Important CEO"      ]
  CFO     [ label = "Less important CFO" ]
  HR      [ label = "Human Resources"    ]
  CxO     [ label = "An unknown CxO"     ]

  staff_1 [ label = "Staff 1"]
  staff_2 [ label = "Staff 2"]
  staff_3 [ label = "Staff 3"]
  staff_4 [ label = "Staff 4"]

  node[shape=none, width=0, height=0, label=""];

  edge[dir=none];

  CEO -> hierarchy_1 -> hierarchy_2 -> hierarchy_3;

  {rank=same; CFO -> hierarchy_1 -> HR;}
  {rank=same; CxO -> hierarchy_2;}
  {rank=same; staff_1 -> staff_2 -> hierarchy_4 -> staff_3 -> staff_4 }

  hierarchy_3 -> hierarchy_4


}