Richard J. Koch is a successful author, strategy consultant (with BCG and Bain, and founder of LEK Consulting), and entrepreneur. Among his 18 books is the international bestseller The 80/20 Principle, which has sold over 700,000 copies. Since 1989 he has focused mainly on private equity.

Peter J. Nieuwenhuizen is an internationally experienced manager (R&D, sales, marketing) who has made a specialty of assisting line managers to develop practical strategy for their units, and improving their results. Peter holds a Ph.D. in chemistry and is currently employed at Arthur D. Little, the consultancy.