Marianne Liebmann

Early Life and Education

Marianne Cargill Liebmann was born in 1953. She is the great-granddaughter of William Wallace Cargill, who founded Cargill, Inc. in 1865 as a grain storage business. She is the daughter of James R. Cargill and Mary Janet Morse Cargill. She graduated from Montana State University with a Bachelor of Arts degree.

Rise to Success

Liebmann is one of twelve principal heirs to Cargill, Inc.. Her wealth derives primarily from her stake in Cargill, a privately-held company, and annual dividends tied to its performance. The Cargill-MacMillan family collectively owns approximately 90% of the company. She inherited her ownership stake in Cargill Inc. upon the death of her father, James R. Cargill, in 2006.

Career and Philanthropy

Beyond her role as an heiress, Marianne has dedicated her career to providing robust legal advice to organizations that aim to make the world a better place. With over 20 years of professional legal experience, primarily within the international NGO and UK charity sectors, she has worked in areas such as sexual and reproductive health, children and youth development, emergency response, education, and international animal welfare. She serves as Legal Counsel for the Clean Air Fund.

Family and Personal Life

Liebmann resides in Bozeman, Montana and is married with two children. She is known for leading a relatively private life.