Research confirms those images matter far less important than you think. Most people don’t ever see them— they enter your site elsewhere seeking far more important information.

http://www.natlawreview.com/article/law-firm-website-traffic-disappearing-homepage

In fact, here’s a law firm that made its list of attorney bios its Home page.  Overall, bio pages are where the traffic that matters goes.  http://www.coblentzlaw.com/