<h4>Quick Take</h4> <ul> <li>Recently appointed as CLO of Robinhood, former SEC commissioner Dan Gallagher could help shake off the broker&#8217;s scrappy roots</li> <li>The former SEC commissioner navigated a media firestorm as the chief legal officer of EpiPen maker Mylan</li> <li>Gallagher could also have a lasting impact on the broker industry</li> </ul>