Elaine Marshall & family Net Worth

Estimated net worth (2026)

$30.9 billion

Who is Elaine Marshall & family?

Elaine Tettemer Marshall is an American billionaire heiress known in the field of energy and finance. Her immense wealth stems from her inheritance, which includes a significant beneficial interest in Koch Industries. These shares were previously held by her late husband, E. Pierce Marshall, and trace their ownership back through her father-in-law, J. Howard Marshall. Through trusts established for her and her sons, she manages this substantial stake, contributing to her estimated net worth of nearly thirty billion dollars.

Known for

Entrepreneur

Wealth from

Koch Inc.

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Net worth figure (2026) sourced from Forbes; biography adapted from Wikipedia. Net worth figures are estimates and may vary by source.

Elaine Marshall & family Net Worth 2026: $30.9 billion | Sources & Breakdown