Diane Hendricks Biography
Diane Hendricks was born on a Wisconsin dairy farm in 1947, became a real estate broker at 21 and opened ABC Supply in 1982 13.
Full nameDiane Marie Hendricks (née Smith)
NationalityUnited States
Known forOwner and chairman of ABC Supply
Born in Mondovi, raised in Osseo
Diane Marie Smith was born on 2 March 1947 in Mondovi, Wisconsin, the daughter of dairy farmers, and grew up in Osseo 1. European Business Magazine describes her as one of nine sisters 3.
Education and first jobs
She graduated from Osseo-Fairchild High School in 1965. She had her first child at 17 and assembled pens at the Parker Pen Company in Janesville, Wisconsin 1.
Real estate
At 21 she became interested in real estate and earned her broker's licence. She sold custom-built homes before she met Ken Hendricks in 1975 13.
ABC Supply
With Ken she bought and renovated dozens of old houses around Beloit, then opened the first ABC Supply branch there in 1982 3.
Frequently asked questions
In Mondovi, Wisconsin, on 2 March 1947, according to Wikipedia.
The sources reviewed list her high school, Osseo-Fairchild, where she graduated in 1965, and do not report a college degree.
She assembled pens at the Parker Pen Company, earned a real estate broker's licence at 21 and sold custom-built homes.
Sources✓ Verified 14 Nov 2026
1 Wikipedia, Diane Hendricks, 1 Jan 1970, Birth, education, early jobs
2 European Business Magazine, Diane Hendricks: The $22 Billion Woman Who Got Rich Selling Shingles, 12 Sep 2026, Nine sisters, early career
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