Code
<html>
<head>
<title>Google Charts tutorial Tutorial - Wikitechy</title>
   <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
   <script type="text/javascript">
     google.charts.load('current', {packages: ['orgchart']});    
   </script>
</head>
<body>
<div id="container" style="width: 650px; height: 500px; margin: 0 auto"></div>
<script language="JavaScript">
function drawChart() {
// Define the chart to be drawn.
   var data = new google.visualization.DataTable();  
   data.addColumn('string', 'Name');
   data.addColumn('string', 'Manager');
   data.addColumn('string', 'ToolTip');

   // For each orgchart box, provide the name, manager, and tooltip to show.
   data.addRows([
      [{v:'Robert', f:'Robert<div style="color:red; font-style:italic">President</div>'},'', 'President'],
      [{v:'Jim', f:'Jim<div style="color:red; font-style:italic">Vice President</div>'},'Robert', 'Vice President'],
      ['Alice', 'Robert', ''],
      ['Bob', 'Jim', 'Bob Sponge'],
      ['Carol', 'Bob', '']
   ]);                        

   // Set chart options
   var options = {allowHtml:true};
                
   // Instantiate and draw the chart.
   var chart = new google.visualization.OrgChart(document.getElementById('container'));
   chart.draw(data, options);
}
google.charts.setOnLoadCallback(drawChart);
</script>
</body>
</html>

Result