Athletic CEOs: Leadership in Turbulent Timesis a book about high-performing transformational leaders operating in turbulent environments. These CEOs do not lead by the book: they may not praise their subordinates, provide positive feedback or regularly celebrate small wins. Yet they have created formidable enterprises that deliver sustainable growth, have elevated their companies’ employees to new levels, have set new standards for their industries and have advanced their regions. Most remarkably, in spite of their prominence, these leaders continue to reinvent themselves. The focus of this book is not on what effective leadership should look like but on how it looks like in a specific context. It follows an approach advocated by Jeffrey Pfeffer in his recent book Leadership BS: ‘If we want to change the world of work and leadership conduct in many workplaces, we need to act on what we know rather than what we wish and hope for.’

In 2007, when Herman Gref, ex-minister of economic development and trade of the Russian Federation, became CEO of Sberbank, the largest and arguably the most inefficient bank in the country, no one believed that the former bureaucrat, who had never worked in business, could transform this cumbersome organization that had become a byword for poor customer service and inefficiency. Almost ten years later, even outright sceptics admit that Sberbank has risen from the half-dead. Client managers have begun to smile, queues have disappeared and 30 per cent of customers access all the bank's services via their smartphones or computers without ever setting foot in a branch. Financial results have followed the clients: during Gref's tenure, Sberbank's assets have increased more than sixfold, and net income – eightfold. In the year 2016/ 17 alone, Sberbank's capitalization grew from US$30 billion to US$62 billion dollars.

The scale of the 300,000-strong organization's transformation is breathtaking. Gref and his team have created a world-class IT platform, launched shared-service centres and built Sberbank Corporate University to educate employees about cutting-edge management practices. Sberbank has become the trendsetter for the whole country's banking industry: it was the first in Russia to implement a lean production approach, to introduce agile innovation methods and to address the blockchain revolution. All of this was achieved against the backdrop of a global financial crisis and two local recessions.