Teamber

digraph G {
node [style=filled,fontsize=9];

node [shape=rect,fillcolor="#AAAAAA"];

// Event - auto show
  autoshow [label="Auto-show"];

// Ford
  teamFord [label="Ford"];
  teamFord -> autoshow;

roleFordTeamLeader [label="Chef"];
  roleFordCarExplainer [label="Car Explainer"];
  roleFordBar [label="Bar"];

// Peugeot
  teamPeugeot [label="Peugeot"];
  teamPeugeot -> autoshow;

rolePeugeotTeamLeader [label="Chef"];
  rolePeugeotCarExplainer [label="Car Explainer"];
  rolePeugeotBar [label="Bar"];

// Inscription
  node [shape=ellipse,fillcolor="#CC8888"];

anne [label="Anne"];
  paul [label="Paul"];
  pierre [label="Pierre"];
  jean [label="Jean"];
  christian [label="Christian"];
  marie [label="Marie"];
  germaine [label="Germaine"];
  michel [label="Michel"];
  albert [label="Albert"];
  adeline [label="Adeline"];

anne -> roleFordTeamLeader -> teamFord;
  paul -> roleFordCarExplainer -> teamFord;
  pierre -> roleFordCarExplainer;
  jean -> roleFordCarExplainer;
  christian -> roleFordBar -> teamFord;

marie -> rolePeugeotTeamLeader -> teamPeugeot;
  germaine -> rolePeugeotCarExplainer -> teamPeugeot;
  michel -> rolePeugeotCarExplainer;
  albert -> rolePeugeotCarExplainer;
  adeline -> rolePeugeotBar -> teamPeugeot;

}