LeaderPortfolio
family
E
Rank #69
UNITED STATESDiversifiedKoch Inc.

Elaine Marshall & family

Net Worth
$30.93B
0% (24h)
Elaine Tettemer Marshall, born July 22, 1942, is an American billionaire heiress. She is a board member of Koch Industries, inheriting her position and wealth from her late husband, E. Pierce Marshall. Her source of wealth stems from her 16% beneficial interest in Koch Industries, a major diversified conglomerate. As of February 2, 2026, her net worth is estimated at $30.9 billion, making her one of the wealthiest women globally and ranking her among the world's top billionaires.

The Full Dossier

Early Life

Elaine Tettemer Marshall was born on July 22, 1942. She is an American billionaire heiress. Her father was a farmer, and she grew up in a rural setting. She attended public schools and was the first in her family to graduate college.

Rise to Success

Elaine Marshall is primarily known for her beneficial ownership of 16% of Koch Industries, inherited through trusts for herself and her two sons. She joined the board of directors of Koch Industries in 2006 following the death of her husband, E. Pierce Marshall. Koch Industries is the second-largest privately held company in the United States.

Key Business Strategies

Elaine Marshall's role is primarily as a board member of Koch Industries, contributing to the company's decision-making and strategic direction. Koch Industries operates under a decentralized structure with a focus on market-based innovation and long-term value creation.

Philanthropy

While specific philanthropic initiatives and amounts are not readily available in the search results, Elaine Marshall has been involved in supporting her alma mater, the 4-H Foundation, and has been active in civic groups related to child welfare, women's issues, and agriculture.

Career Timeline

2006

Board Member, Koch Industries

Became a board member following the death of her husband.

Philanthropic Impact

Education and Youth DevelopmentUndisclosed

4-H Foundation

Supports the 4-H Foundation.

Wealth Trajectory