Realistic or Illusionistic? PhDChemist with a top5 MBA?

In terms of PhDs, the ones that seem to be more successful at getting into the top b-schools are those with life sciences backgrounds such as yours.

So I wouldn't worry as much about your lack of "industry" work experience because you have the fortune of other life sciences PhDs having gone to b-school before you.

Does this mean that you won't have a hard time getting into the top schools? Of course it's going to be a stretch at schools such as H/S/W, but at the same time there's enough precedents of others with similar backgrounds similar to yours that have attended that it's worth at least giving them a shot.

Especially if you are 100% sure that you want a career on the business side of life sciences/biotech, and you are able to communicate your intentions and talents in a compelling and articulate way. In other words, it's not just the "why MBA/goals" question, but being able to show throughout ALL your essays and rec letters that you have the raw skillset and orientation for a business career (i.e. interpersonal skills that are far greater than the average scientist, and leadership potential).

I don't think you necessarily need work experience after getting a PhD just so you can go to b-school -- but if you feel from a life/career standpoint that you'd at least like to gain some real world experience, then go for it. It's really up to you whether you want to apply sooner or later given your background (but you should apply within 1-2 years).