As companies and their top teams see the conditions for success are changing faster than ever, and employees demand leaders who appeal to their values, priorities, empathies and hopes, soft skills are becoming critical to the C-suite. To explore whether companies are making a conscious effort to adapt leadership styles to match the changing world, we partnered with faculty members from Harvard Business School and Imperial College London to leverage machine learning tools to analyze 5,000 anonymized C-suite job descriptions from the last 20 years.