Complex sentence: Sumantra Ghoshal (1948--2004) was an Indian organizational theorist, Professor of Strategic and International Management at the London Business School, and founding Dean of the Indian School of Business in Hyderabad.
Split into simpler sentences: Sumantra Ghoshal (1948--2004) was an academic in the field of management. He was the founding Dean of the Indian School of Business in Hyderabad.