Who is Mark Bezos? Amazon CEO Jeff Bezos picked his younger brother and BFF to come with him on Blue Origin’s first human space flight, and once called him the ‘funniest guy in my life’

What do we know about Mark Bezos, Amazon founder Jeff Bezos’ younger brother? Photo: @tdevelopments/Twitter

On July 20, Jeff Bezos and his younger brother, Mark, are heading to space. 

The Amazon founder announced Monday, June 7, that he and his brother will be on the first human flight of the New Shepard spacecraft, which is made by Blue Origin, Bezos’ space exploration company. The company is currently auctioning one of the six available seats aboard the flight, which will last 11 minutes and take the spacecraft 100km (62 miles) above the Earth’s surface. 

Jeff Bezos said in a video posted to Instagram that he’s wanted to go to space his whole life, and that he asked his brother to come along “because we’re closest friends”. 


So who is the younger Bezos? Here are five things we know about him.

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Mark Bezos is the youngest of the Bezos siblings

The Bezos family. Photo: Fred Hutch News Service

According to a 1999 Wired profile on Jeff Bezos, Mark Bezos is six years younger than his brother, who turned 57 in January. The brothers have a middle sister named Christina. 

The Bezos siblings moved around a lot as kids, spending time in Albuquerque, Houston and Pensacola, Florida. Their mother, Jackie, had Jeff as a teenager; their father, Mike, immigrated to the US from Cuba at age 15. The couple met while working at a local bank, and Mike Bezos became Jeff Bezos’ adoptive father. 

He got his start in advertising and marketing

Texas Christian University. Photo: @texaschristianuniversity/Instagram

Mark Bezos attended Texas Christian University, graduating in 1992 with a degree in advertising and public relations, according to his LinkedIn page.


He got his start working at New York City ad firms like DDB and Saatchi & Saatchi. Then, in 1999, he founded and ran his own marketing company. The same year, he became a director at the Bezos Family Foundation, which was founded by Jackie and Mike Bezos.

Children benefited by the Robin Hood Foundation. Photo: Robin Hood Foundation

In 2006, he began working at an organisation called Robin Hood, not to be confused with the stock-trading app – Robin Hood is a New York-based non-profit focused on fighting poverty. Bezos currently serves on Robin Hood’s leadership council.

Bezos is also the co-founder of private equity firm High Post Capital.

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He’s a volunteer firefighter

Mark Bezos is a volunteer firefighter. Photo: @joinipsa/Twitter

Bezos has been a volunteer with the Scarsdale Fire Department in Westchester County since 2005.


In 2011, he gave a Ted talk about being a firefighter, sharing a humorous story about being asked to do the unglamorous job of retrieving shoes for a woman whose house was on fire. But after hearing the woman’s appreciation, he said, he saw the importance of committing small acts of kindness and generosity. 

“I would offer this reminder: don’t wait,” Bezos said. “Don’t wait until you make your first million to make a difference in somebody’s life.” 

He’s likely a millionaire several times over

Jeff Bezos and his dad, Mike. Photo: @jeffbezos/Instagram

Jeff Bezos’ parents invested US$246,000 in Amazon in 1995, and while they haven’t publicly disclosed their Amazon holdings since 1999, they likely own millions of shares worth tens of billions of dollars, according to Bloomberg.


Mark and Christina also own shares in Amazon and are most likely worth several hundred million dollars apiece.

Last month, Mark put his Scarsdale home on the market for US$11 million. The 1.6-hectare (four-acre) estate includes a main house with six bedrooms and four bathrooms, as well as a four-bedroom guest house. The property also includes a home theatre, gym, wine cellar and game room with a golf simulator.

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Mark and his brother Jeff are close friends

Mark Bezos and his brother Jeff Bezos. Photo: @marciojmsilva/Twitter

In a Seattle Times profile on Jeff Bezos from 1999, Mark described what it feels like when your brother starts becoming famous. 

“When your brother is all of a sudden one of these people who is being recognised, you look at him and try to imagine you’re seeing him for the first time,” said Mark Bezos. “[He’s] Jeff Bezos, the guy who started Amazon, as opposed to Jeff Bezos, the guy who used to make you tickle his feet.”

Mark interviewed Jeff onstage at a Summit leadership event in 2017 and joked about his brother’s astronomical wealth. 

Jeff and Mark Bezos. Photo: @frownstone/ Twitter

“If any of you do get confused, I’m the one with the smaller bank account to your left,” Mark said.


For his part, Jeff has described his brother as the “funniest guy in my life” and said that when they’re together – often drinking bourbon – “I just laugh continuously.” 

The two brothers also support each other. According to the Seattle Times story, Jeff showed up at Mark’s first marathon in New York and started jogging with him at 40km (mile 25) to offer moral support, ducking out right before the finish line. 

Amazon CEO Jeff Bezos speaks at the Amazon re: Mars convention, in Las Vegas, in June, 2019. Photo: AP Photo

In the video about the upcoming space flight, Mark said he was “awestruck” that Jeff asked him to come. 

“What a remarkable opportunity, not only to have this adventure, but to be able to do it with my best friend,” Mark Bezos said.

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This article originally appeared on Business Insider

Jeff Bezos
  • On July 20, Jeff and Mark Bezos – not sister Christina or parents Mike and Jackie – will board the New Shephard spacecraft and head 100km above the Earth
  • Also a millionaire, Mark has worked at ad firm DDB in New York City, now leads non-profit Robin Hood – and just put a US$11 million property up for sale