<table width="100%">
  <thead>
    <tr>
      <th width="50%">
        Individuals
      </th>
      <th>
        Corporations
      </th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td valign="top">
        <h1>Contributing</h1>
        <p>This will include a description of the CLA for individuals.</p>
      </th>
      <td valign="top">
        <h1>Contributing</h1>
        <p>This will include a description of the CLA for corporations.</p>
      </td>
    </tr>
  </tbody>
</table>