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ple, Marshall only does coaching that is related to leadership behavior. He
does not do strategic coaching, organizational development, or life planning.
We next decided to focus on the various types
of coaching and tried to find
great representatives from these categories. As you review our list of 50 lead-
ing coaches, you will see frequent references to our Linkage customer base.
For example, three of our most requested speakers are Beverly Kaye (career
development and retention), Roosevelt Thomas (diversity), and Warner Burke
(organizational development). All of these thought leaders have coaching
practices in their various fields and are on our list of 50 coaches. We have also
tried to build on research that has been done in related studies by publica-
tions like the Wall Street Journal, Forbes, BusinessWeek, and Fortune.
Rather than focus on business school professors or independent consultants,
we decided to include both. Many professors, like C. K. Prahalad, have very
active practices in coaching and advising top executives. Many consultants, like
Jim Kouzes, sometimes work in university executive education. To the person
being coached, it probably doesn’t matter. Top executives want the best advice
from the best people.
Every “50 top” list has to have limits. We decided not to include coaches
or consultants in technical or functional fields. There are great coaches and
advisors in marketing, sales, finance, accounting, operations, and informa-
tion technology
who are not in this book. We decided to focus only on
coaching that related to the various aspects of
leadership—from strategic
leadership (at the macro level) to changing individual behavior (at the micro
level). We also decided not to include internal coaches who are currently
employed by major corporations. Although these internal coaches may be
doing a great job, they will not be available to help the readers of this vol-
ume. Our book is also limited to coaches who are currently in North Amer-
ica. Although there are fantastic coaches around the world, we realized that
we do not have enough information at the present time to do a high-quality
assessment of global talent.
Selecting Categories for Types of Coaching
To say, “I am an executive coach,” may seem meaningless. An important ques-
tion is “Coach who to what?” There are many types of coaching and advising.
Even narrowing the field to coaching that is related to leadership left a wide
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