Increasingly, there seem to be two schools of management consulting. One tackles "what-to-do" issues before "how-to-do-it" ones; the second focuses almost exclusively on the how-to questions.

First Manhattan Consulting Group belongs to the first school; based on his letter, Mr. Wendel apparently adheres to the second.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.