<table>
<thead>
<tr>
<th>Name</th>
<th>Term start</th>
<th>Term end</th>
</tr>
</thead>
<tbody>
<tr>
<td>Pier Ruggero Piccio</td>
<td>1 January 1926</td>
<td>6 February 1927</td>
</tr>
<tr>
<td>Armando Armani</td>
<td>10 February 1927</td>
<td>13 October 1928</td>
</tr>
<tr>
<td>Giuseppe Valle</td>
<td>22 February 1930</td>
<td>23 November 1933</td>
</tr>
<tr>
<td>Antonio Bosio</td>
<td>23 November 1933</td>
<td>22 March 1934</td>
</tr>
<tr>
<td>Giuseppe Valle</td>
<td>22 March 1934</td>
<td>10 November 193