Cargill's founding family handed the CEO job to an outsider in 1995

Cargill was founded in 1865 and for more than a century was run by the Cargill and MacMillan families. In 1995 its chairman and CEO Whitney MacMillan, a fourth-generation family member who had led the company since 1976, retired and handed the top job to Ernie Micek, a chemical engineer who had joined Cargill in 1959.

Micek had built Cargill's corn milling unit into a leading maker of high-fructose corn syrup and become chief operating officer in 1994. When he was named chairman and CEO in August 1995, he was only the second non-family member to lead Cargill in its 130-year history.

The decision separated ownership from management: the family kept its private ownership while professionals ran the business. The Star Tribune later wrote that Micek's tenure 'marked Cargill's historic turn into a professionally managed company.'

Micek's appointment marked Cargill's 'historic turn into a professionally managed company'; it remained one of the world's largest private firms and kept growing.

The company's scale and complexity had outgrown family-only leadership.

MacMillan deliberately groomed Micek as his successor rather than a family member.

Professional management let Cargill stay private and family-owned while competing globally.

Separating family ownership from day-to-day management can let a private company scale without losing control or selling out — the family just stops running it.

Micek served as CEO until 1999 and chairman until 2000; Warren Staley and then Gregory Page, also non-family executives, followed him. Cargill remained the largest privately held company in the United States, still owned by the Cargill and MacMillan families.