Who is Jared Isaacman, Trump's pick for NASA chief?

closeup of the face of a man wearing a white space helmet
Jared Isaacman, President-elect Donald Trump's choice for NASA chief, has commanded two space missions. (Image credit: Polaris Program / John Kraus)

U.S. President-elect Donald Trump has nominated Jared Isaacman, a billionaire, philanthropist and private astronaut to lead NASA. What do we know about the potential next administrator of America’s space agency?

Isaacman, born in Union, New Jersey in February 1983, is worth an estimated $1.8 billion, according to Forbes. He accrued this fortune from his payment-processing company, Shift4 Payments, which he set up at 16 years old back in 1999.

He has strong interests in aviation and spaceflight, and his wealth has enabled him to embark on space missions. These include Inspiration4, which was the first-ever all-civilian orbital spaceflight, using a SpaceX Falcon 9 rocket and Dragon spacecraft. The three-day-long, four-person mission orbited Earth for three days in September 2021.

Isaacman followed this up with Polaris Dawn, a five-day mission in September of this year that notched a number of milestones. In a human spaceflight first, the mission flew over the poles and included the first-ever private spacewalk, in which Isaacman and crewmate Sarah Gillis briefly exited their Dragon spacecraft. Both Inspiration4 and Polaris Dawn also aimed to raise awareness and hundreds of millions of dollars for St. Jude Children’s Hospital.

Related: Polaris Dawn: Everything you need to know about the 1st mission of the Polaris Program

Isaacman's nomination to serve as the next administrator of NASA came on Dec. 4. Donald Trump, in his first space-related move ahead of his incoming second administration, noted Isaacman's business achievements and stated his belief that the private astronaut could spur on the agency.

"Jared will drive NASA's mission of discovery and inspiration, paving the way for groundbreaking achievements in space science, technology and exploration," Trump said on his social media platform Truth Social.

There are few clues to what an Isaacman tenure at NASA could bring. Isaacman is, the nonprofit Planetary Society notes, an outsider to NASA, the space industry and the political circles of Washington, D.C. But a few hints are available from his X social media account, including a post Isaacman made about being nominated for NASA chief.

"Space holds unparalleled potential for breakthroughs in manufacturing, biotechnology, mining and perhaps even pathways to new sources of energy," Isaacman said on X in response to his nomination. "There will inevitably be a thriving space economy — one that will create opportunities for countless people to live and work in space," he said.

"Americans will walk on the moon and Mars, and, in doing so, we will make life better here on Earth," Isaacman continued, indicating an optimistic and ambitious vision of humanity as a spacefaring civilization.

Isaacman is potentially stepping in to lead NASA at a time of growing competition for space leadership with China. NASA aims to get its astronauts back to the moon around 2027 with the third mission in the Artemis program. At the same time, China has committed to putting its first astronauts on the moon by 2030.

"I know we can’t be second," Isaacman said on Dec.11 at the Spacepower Conference hosted by the Space Force Association, speaking about American competitiveness in space, SpaceNews reported.

As the potential next administrator, Isaacman could face major issues such as backing for the Artemis program, the future of the Space Launch System (SLS) megarocket — which Isaacman has described as "outrageously expensive" but also "tolerable" yet vulnerable to cancellation — how to proceed with the Mars Sample Return mission campaign, the future of the CLPS (Commercial Lunar Payload Services) moon program and the transition from the International Space Station to commercial destinations in low Earth orbit.

He will also more generally need to assess and address bureaucratic and budgetary issues facing NASA. The role of public-private partnerships and commercial companies will be another pivotal area of focus.

Isaacman was also nominated by a president-elect who campaigned on budget and tax cuts. Notably, however, Isaacman has publicly supported the continuation of under-pressure science missions, such as the Chandra X-ray observatory and New Horizons Pluto probe, which is now exploring the broader outer solar system on an extended mission. He has even suggested boosting the decaying orbit of the Hubble Space Telescope with a future Polaris mission.

Another, more personal ramification is the future of the Polaris program, which Isaacman funds and organizes. His role in a pair of planned Polaris flights is now uncertain, given his nomination.

There are also issues of concern to some people. Through his spaceflight endeavors, Isaacman is close to Elon Musk, the multibillionaire head of SpaceX and other ventures and a very active part of Trump’s election campaign.

Related: Trump appoints SpaceX's Elon Musk to help head regulation-slashing 'Department of Government Efficiency'

There is thus speculation about what Isaacman, if confirmed NASA administrator, could mean for the agency, its relationship with SpaceX and the prospects for other companies in the space economy. These issues — and potential conflicts of interest — will likely be raised during his confirmation process in the U.S. Senate.

The Planetary Society also suggests that, unlike Musk, Isaacman is not overtly partisan, noting that his declared political donations are primarily to Democratic candidates. As he has been nominated by a Republican president-elect, this may mean Isaacman will be able to garner a level of bipartisan support. While having no scientific or engineering background, his entrepreneurial success, expertise, spaceflight experience and public engagement may prove valuable for the role.

While it is hard to discern the direction of NASA under the potential leadership of Jared Isaacman, his nomination comes at a potentially transformative moment for the agency, and a time of blending private sector innovation with public exploration goals. While some may regard his inexperience in government and close ties to SpaceX with concern, others see an outsider ready to lead in a new direction.

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Andrew Jones
Contributing Writer

Andrew is a freelance space journalist with a focus on reporting on China's rapidly growing space sector. He began writing for Space.com in 2019 and writes for SpaceNews, IEEE Spectrum, National Geographic, Sky & Telescope, New Scientist and others. Andrew first caught the space bug when, as a youngster, he saw Voyager images of other worlds in our solar system for the first time. Away from space, Andrew enjoys trail running in the forests of Finland. You can follow him on Twitter @AJ_FI.