John Paul DeJoria, co-founder of Paul Mitchell, was homeless twice and lived out of his car.

Chris Gardner, founder of Gardner Rich & Co., slept in homeless shelters with his young son before building his investment firm.

Jan Koum, co-founder of WhatsApp, relied on government assistance and food stamps after immigrating to the United States.

Howard Schultz, former CEO of Starbucks, grew up in public housing.

Lloyd Blankfein, former CEO of Goldman Sachs, was raised in public housing.

Emma Grede, co-founder of SKIMS and Good American, was raised in public housing by a single mother.

Joe Kiani, founder of Masimo, lived in a housing project after fleeing Iran.

Larry Ellison, co-founder of Oracle, was adopted as an infant.

Sonia Sotomayor, Justice of the U.S. Supreme Court, grew up in the Bronx housing projects.

Mario Capecchi, Nobel Prize-winning scientist, survived on the streets of Italy as a child before winning the Nobel Prize.

Oprah Winfrey, grew up in extreme poverty without indoor plumbing and endured severe childhood abuse.

LeBron James, four-time NBA champion and one of basketball's greatest players, grew up in poverty, moving from apartment to apartment with his single mother.

Jay-Z, Grammy Award-winning rapper and entrepreneur, sold drugs while growing up in Brooklyn's Marcy Houses before building a billion-dollar business empire.

Kendrick Lamar, Pulitzer Prize-winning rapper, experienced homelessness and relied on food stamps with his family growing up in Compton.

Tyler Perry, filmmaker, was homeless and slept in his car before creating one of the largest film studios in America.

Dolly Parton, country music legend and philanthropist, grew up in a one-room cabin without electricity or running water.

Viola Davis, Academy Award-winning actress, grew up in extreme poverty and has spoken about searching for food in dumpsters.

Dwayne "The Rock" Johnson, actor and entrepreneur, had just $7 to his name after his football career ended before rebuilding his life.

Halle Berry, Academy Award-winning actress, lived in a homeless shelter with her mother while pursuing her acting career.