Dhirubhai Ambani

Dhirajlal Hirachand Ambani (1932–2002), known as Dhirubhai, founded Reliance Industries in 1966 as a textile trader and built it into India's largest private-sector company within his lifetime, a trajectory that took the family from modest trading into integrated petrochemicals and refining.

His early career in a Bombay textile-export house and an earlier posting in Aden gave him exposure to international markets and to the mechanics of rupee-yen-dollar arbitrage, experience he later deployed in building Reliance's financing and import-substitution strategy.

The launch of the Vimal brand in the 1970s positioned Reliance as a consumer-facing textile name at a time when Indian fabrics were largely commodity-traded, an early instance of the brand-building instinct the group would later apply across telecom and retail.

Reliance's move into petrochemicals and the Hazira and Jamnagar complexes represented a bet on integrated, capital-intensive manufacturing at a scale no Indian private group had previously attempted, and remains the structural foundation of the group to this day.

He is widely credited with pioneering the equity cult among Indian retail investors, repeatedly raising capital from small investors through public issues that turned Reliance shareholders into a constituency the company cultivated directly rather than treating as passive capital.

The unresolved succession question at his death in 2002 led to a public split of the group between his sons Mukesh and Anil in 2005, mediated by the family and external parties, a case often cited in Indian family-business governance discussions.

The biography frames Dhirubhai's signature strength as the systematic cultivation of relationships across the political and bureaucratic apparatus, a capacity the author argues was inseparable from the group's ability to obtain licences, capacity clearances and favourable policy outcomes in the licence era.

The same work stresses that his operating instinct combined high leverage with rapid capacity expansion, a formula that delivered growth but also exposed the group to episodic regulatory and political risk that surfaced repeatedly through the 1980s and 1990s.

McDonald's account is itself a contested artefact: the book was withdrawn from Indian circulation under pressure, an outcome that itself became part of the standard narrative around the limits of writing about Indian promoter houses.