India, April 21 -- A significant churn at the top of global corporations is underway, with 2025 and early 2026 marking one of the most notable periods of CEO turnover in recent years. From Silicon Valley to legacy airlines, a mix of retirements, transitions and personal decisions is reshaping leadership across industries. While some exits reflect long-planned succession strategies, others point to a broader generational shift, as companies prepare for a new phase of growth and disruption.

At OpenAI, Srinivas Narayanan announced his departure on April 18, 2026, after serving as CTO for B2B applications. Widely credited with helping scale ChatGPT's enterprise capabilities, Narayanan described his three-year stint as "incredible," but chose...