Who is not familiar with the concept of 'coach' and has had to deal with it directly or indirectly? Coaching is a difficult profession. Perhaps that is why so many books have been written about how to be a good coach. However, from practice it becomes clear that good coaching depends on a number of factors described. This white paper discusses this and also focuses on the question; 'Does it make sense to specialize within the coaching profession or is the market looking for generalists?' (published on August 29, 2016 by Werkmans)