The IAB's annual leadership meeting is just getting underway, but bot traffic and fraud are already emerging as major themes.

Vivek Shah, the IAB's newly elected chairman, delivered an impassioned speech as the conference started Sunday, urging the industry to take the fraud problem more seriously. And in an interview with Ad Age later in the evening, IAB President and CEO said the industry's supply chain is in need of improvement.

You can watch our full interview with Mr. Rothenberg below: