Billionaire Profile
N
Global Rank
#982

Image: The Iowa Secretary of State | Public domain | via Wikimedia Commons

Nancy Mills Barnett

CEO, Medical supplies
UNITED STATES
Real-Time Net Worth
$4.338B
Estimated based on Medical supplies stock value as of May 3, 2026
0% (24h)
Age
62
Source
Medical supplies
Industry
Healthcare
Citizenship
UNITED STATES

Biography

Nancy Mills Barnett, a prominent figure in the medical supplies industry, is a shareholder of Medline, an Illinois-based giant founded by her father and uncle in 1966. With a current net worth of $4.4 billion, Barnett's wealth stems primarily from her stake in Medline, a leading supplier of medical products. Her career has been intertwined with the family business, playing a crucial role in its success. Barnett's achievements include contributing to Medline's growth. She resides in Highland Park, Illinois, and is a well-known figure in philanthropic circles. She is part of a family with several billionaires, all connected to the medical supplies industry.

Fact Checked
Verified by Editorial Team
Live Data
Updated 5/3/2026

Wealth Over Time

In-Depth Profile

Early Life

Nancy Mills Barnett was born into the Mills family, founders of Medline Industries, a significant player in the medical supplies sector. The company was established in 1966 by her father, Jon Mills, and her uncle, Jim Mills. Growing up, she was immersed in the world of medical supplies, witnessing firsthand the industry's evolution.

Rise to Success

Barnett's path to wealth and prominence is closely tied to Medline. She holds a substantial stake in the company, which has been a major driver of her financial success. Medline's growth, particularly its expansion during the COVID-19 pandemic, significantly boosted the family's wealth. Medline went public in December 2025, which has further solidified her position.

Key Business Strategies

Medline's success can be attributed to several key strategies. The company has focused on providing a comprehensive range of medical supplies to hospitals, clinics, and other healthcare providers. Medline's ability to adapt to market changes, such as the increased demand for single-use and sterile products, has been vital. Additionally, Medline's focus on operational efficiency and distribution capabilities has enabled it to maintain a competitive edge in the market.

Philanthropy

While specific details of Barnett's philanthropic activities are not readily available, her family has a history of giving back to the community. Her family has been involved in philanthropy. The Highland Park Community Foundation is an example of her commitment to the community.

Career Milestones

1966

Medline Founded

Her father and uncle founded Medline Industries, the primary source of her wealth.

2021

Medline Leveraged Buyout

The Mills family sold 79% of the company to private equity firms, increasing their wealth.

2025

Medline IPO

Medline went public, solidifying Barnett's position and further increasing the family's wealth.

Philanthropy & Social Impact

Community Support

Highland Park Community Foundation

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Her family has been involved with the foundation, which addresses community needs.

Business Philosophy & Leadership

Notable Quotes

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Leadership Principles

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Controversies & Challenges

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