Jeff Bezos, founder of Blue Origin and CEO of Amazon, speaks about the future plans of Blue Origin during an address to attendees at Access Intelligence's SATELLITE 2017 conference in Washington, DC, U.S. on March 7, 2017. REUTERS/Joshua Roberts/File Photo
Amazon founder and CEO Jeff Bezos had a cushy job in finance.
At 24, the future Amazon founder and CEO went to work at Bankers Trust developing revolutionary software for banking institutions at that time, according to "Jeff Bezos: The Founder of Amazon.com" by Ann Byers.
Two years later, he became the company's youngest vice president.
US President Donald Trump hosts a tax reform industry meeting at the White House in Washington, US, October 31, 2017. REUTERS/Kevin Lamarque
President Trump took over his father's real-estate-development company.
Trump grew up the wealthy son of a real-estate mogul.
At 25, the young real-estate developer was given control of his father's company, Elizabeth Trump & Son, which he later renamed the Trump Organization, according to bio.
Shortly thereafter he became involved in large, profitable building projects in Manhattan.
Actor Jennifer Lawrence arrives on the red carpet for the film "Mother!" at the Toronto International Film Festival (TIFF), in Toronto, Canada, September 10, 2017. REUTERS/Mark Blinch
Actress Jennifer Lawrence was an Oscar-winner raking in millions.
Twenty-six-year-old Lawrence is Hollywood's highest-paid actress, raking $46 million pretax over 12 months in 2016, and closer to $52 million in 2015, according to Forbes.
By the time she was 25, Lawrence had starred in the box-office hit "Hunger Games" trilogy and worked alongside a star-studded cast in the "X-Men" series.
At 22, she became the second-youngest winner of the best actress Oscar for her performance in "Silver Linings Playbook," and she has won many more awards for her work.
Apple Computer Inc. Chief Executive Officer Steve Jobs holds the new iPhone in San Francisco, California January 9, 2007. REUTERS/Kimberly White/File Photo
Apple cofounder Steve Jobs took his company public and became a millionaire.
By the end of its first day of trading, in December 1980, Apple Computer had a market value of $1.2 billion, making its cofounders rich men. Jobs, one of the three cofounders, was 25.
He later told biographer Walter Isaacson that he made a pledge at that time to never let money ruin his life.
Facebook founder Mark Zuckerberg speaks during the Alumni Exercises following the 366th Commencement Exercises at Harvard University in Cambridge, Massachusetts, U.S., May 25, 2017. REUTERS/Brian Snyder/File Photo
Mark Zuckerberg's Facebook was cash positive for the first time and hit 300 million users.
Zuckerberg had been hard at work on Facebook for five years by the time he turned 25. In that year — 2009 — the company turned cash positive for the first time and hit 300 million users. He was excited at the time, but said it was just the start.
The next year, he was named Person of the Year by Time magazine.
Goldman Sachs Chairman and CEO Lloyd Blankfein speaks at the Bloomberg Global Business Forum in New York, US, September 20, 2017. REUTERS/Brendan McDermid
Goldman Sachs CEO Lloyd Blankfein was an unhappy lawyer.
The Goldman Sachs CEO didn't take the typical route to finance. He actually started out as a lawyer. He got his law degree from Harvard at 24, then took a job as an associate at law firm Donovan Leisure.
"I was as provincial as you could be, albeit from Brooklyn, the province of Brooklyn," Blankfein told William Cohen at Fortune magazine.
At the time, he was a heavy smoker and occasional gambler. Despite the fact that he was on the partner track at the firm, he decided to switch to investment banking, joining J. Aron at the age of 27.
Author J.K. Rowling attends the premiere of "Fantastic Beasts and Where to Find Them" in Manhattan, New York, US, November 10, 2016. REUTERS/Andrew Kelly
Author J.K. Rowling came up with the idea for the 'Harry Potter' series on a train.
Rowling was 25 when she came up with the idea for "Harry Potter" during a delayed four-hour train ride in 1990.
She started writing the first book that evening, but it took her years to finish it. While working as a secretary for the London office of Amnesty International, Rowling was fired for daydreaming too much about "Harry Potter," and her severance check would help her focus on writing for the next few years.
During these years, she got married, had a daughter, got divorced, and was diagnosed with clinical depression before finally finishing the book in 1995. It was published in 1997.
Former US Secretary of State Hillary Clinton smiles before speaking during her 'What Happened' book tour at the Auditorium Theatre of Roosevelt University in Chicago, Illinois, US October 30, 2017. REUTERS/Kamil Krzaczynski
Former US Secretary of State Hillary Clinton had just graduated from Yale Law School.
At 23, Clinton began dating fellow Yale Law student Bill Clinton. She ended up staying at school an extra year to be with her boyfriend, and received her law degree in 1973, just before turning 25. Her boyfriend proposed marriage after graduation, but she declined.
That same year Clinton began working at the Yale Child Study Center. Her first scholarly article, "Children Under the Law," was published in the Harvard Educational Review in late 1973, when she was 25.
After moving to Arkansas in 1975, Clinton agreed to marry Bill. She'd go on to become the first lady of Arkansas, the first lady of the US, a US Senator, and Secretary of State.
Designer Ralph Lauren greets Vogue editor-in-chief Anna Wintour after presenting his Spring/Summer 2018 collection in a show that was presented in Lauren's private garage for New York Fashion Week in Manhattan, New York, U.S., September 12, 2017. REUTERS/Andrew Kelly
Fashion designer Ralph Lauren was a sales assistant at Brooks Brothers.
The former CEO of Ralph Lauren was born Ralph Lifshitz in the Bronx, New York, but changed his name at the age of 15. He went on to study business at Baruch College and served in the Army until the age of 24 when he left to work for Brooks Brothers.
At 26, Lauren decided to design a wide, European-style tie, which eventually led to an opportunity with Neiman Marcus. The next year, he launched the label "Polo."
Elon Musk, founder, CEO and lead designer at SpaceX and co-founder of Tesla, speaks at the SpaceX Hyperloop Pod Competition II in Hawthorne, California, US, August 27, 2017. REUTERS/Mike Blake
Tesla and SpaceX CEO and founder Elon Musk was running his first internet company.
Before turning 25, Musk dropped out of his PhD program at Stanford to join the dot-com boom and launch his first internet company, Zip2, which provided business directories and maps,
Compaq bought the company for $307 million four years later, and Musk used the money to launch his next startup venture, PayPal.
Starbucks Executive Chairman Howard Schultz was a Xerox salesman.
After graduating from Northern Michigan University, Schultz worked as a salesman for Xerox. His success there led a Swedish company named Hammerplast that made coffeemakers to recruit him at age 26.
While working for that company, he encountered the first Starbucks outlets in Seattle, and went on to join the company at age 29.
Entertainer Oprah Winfrey holds up her honorary Doctor of Fine Arts degree during Commencement ceremonies at Smith College in Northampton, Massachusetts, US, May 21, 2017. REUTERS/Brian Snyder
America's first lady of talk shows Oprah Winfrey was co-hosting a local talk show in Baltimore.
According to the Huffington Post, Winfrey was fired from the 6 pm news slot at Baltimore's WJZ-TV in 1977 at age 23.
In 1978, a 24-year-old Winfrey was recruited to co-host WJZ's local talk show "People Are Talking." While there, she also hosted the local version of "Dialing for Dollars."