In the seventeenth century, the French statesman Cardinal Richelieu relied heavily on the advice of Father François Leclerc du Tremblay, known as France’s éminence grise for his gray monk’s habit. Like the famous cardinal, today’s business leaders have their gray eminences. But these advisers aren’t monks bound by a vow of poverty.

La puissance du moins : Christopher Guérin (Nexans) & la révolution de la simplification
Christopher Guérin fait le bilan de la transformation radicale qu’il a menée entre 2018 et 2025 en tant que directeur général du groupe Nexans, ainsi


