Lucy Kellaway in the Financial Times (my favourite columnist but subscribers only) reveals that:

A new year and a new type of management hero: Tony Soprano, foul-mouthed, bullying mob boss from the telly. Tony has just had a leadership book written about him, putting him on a par with Queen Elizabeth I, Shakespeare, General George S. Patton, Moses, Sven-Goran Eriksson and Jesus, all of whom have been sucked dry for their last management lesson. But with Leadership Sopranos Style , Deborrah Himsel has taken the genre into fictional territory for the first time (that is if one gives Moses the benefit of the doubt). Ms Himsel, whose day job is vice-president of organisational effectiveness at Avon Products, explains her unusual choice of subject as follows: “Tony’s . . . results orientation and empathy are certainly at the heart of his leadership gestalt.”