Google discovers proof that managers are more important than ever

Google discovers proof that managers are more important than ever
Google discovers proof that managers are more important than ever

Discover how Google used data science to revolutionize its management practices, revealing the crucial importance of managers transforming intuitions into informed decisions.

Human intuition, while powerful and often reliable, can sometimes be contradicted by data. Let’s explore this aspect through the example of Google and its HR data analysis team, which sought to understand the role and impact of managers in the organization. Despite widespread intuition within the company questioning the value of managers, data has revealed its crucial importance, transforming internal beliefs and management practices.

In a professional world where intuition and experience have long guided decisions, the emergence of data science offers a new, often surprising, perspective on presumed truths. Google, a pioneering company in optimizing decisions through data, provides an exemplary case study through its questioning of the real value of managers within its organization.

Google’s challenge: Assessing the importance of managers

Since its founding, Google has been distinguished by its flat organizational structure, encouraging innovation and challenging traditional hierarchies. This culture has naturally led to questioning the role of managers. Google’s People Analytics team, trained to apply the principles of data science to human resources decisions, then tackled this fundamental question: are managers essential?

But how to do it ?

The methodological approach combined several data sources, including exit interviews and biannual evaluations. The objective was to measure the impact of managers on employee retention and to identify the characteristics of successful managers.


Countering prevailing intuition within the company, the results demonstrated a significant correlation between the quality of management and employee retention. Teams led by highly rated managers had lower turnover rates than other teams. Even more surprising, the qualities defining a great manager at Google did not match initial expectations.

But above all, a surprise

Contrary to popular belief that predominant technical skills were essential for leading engineering teams, the data revealed the importance of the ability to empower teams and avoid micromanagement. This discovery not only contradicted internal beliefs but also led to a review of Google’s management training programs.

And tomorrow ?

This case study illustrates the power of data to challenge and refine our understanding of organizational dynamics. Google’s experience demonstrates that even in highly technical and innovative environments, human managerial skills remain a key success factor. It also highlights the role of data analysis in making informed decisions, moving beyond guesses and hunches to concrete evidence.

Google’s study on the importance of managers confirms that, in the field of human resources management, data can reveal unexpected truths, sometimes contradicting the most deeply held intuitions. This case highlights the importance of adopting a data-driven approach to revisit beliefs and optimize managerial practices with the ultimate goal of improving performance and job satisfaction.




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