Perryn Olson is a disrupter, he does things differently. In his current role, he's serving multiple companies under one-parent umbrella. He's finding a way to manage his marketing department as a consultant to these companies. It's a very different way to approach day-to-day and long-term marketing needs. If your firm has multiple brands or divisions, and many do lately, Perryn has an interesting approach for you and your marketing services.
Resources:
Scrum: The Art of Doing Twice the Work in Half the Time
Traction: Get a Grip on Your Business