Plus 1 to Michael’s response. I welcome MBA’s or business folks into my team as well as encourage my consultants to hire them. You have to remember that we are designers and as we can think in multiple directions, we typically are strong in one and that is the creative side. I love having a creative business member that can help us think out the viability side the same as partnering with engineering to think out the feasibility.
I think if you start to look into design consultancies you will notice that there is quite a bit of opportunity in business strategy. Yo mentioned frog and IDEO, but also look into Smart, Continuum, insight, Brandimage, CBX, and Sterling Brand, just to name a few. You want to look into firms that do mostly brand strategy or consumer strategy.
Good luck
J