Who is Elon Musk’s SpaceX deputy commander, Gwynne Shotwell?

In 2002, space x Founder Elon Musk poached Gwynne Shotwell as one of the early hires at the less-than-year-old startup.

Twenty-four years later, Mr. Shotwell leads the company’s day-to-day operations as president and chief operating officer, and on Friday he rang the trading bell on the company’s blockbuster IPO on the Nasdaq trading floor. She is also one of SpaceX’s largest individual shareholders, with her stake worth about $2 billion as of market close on Friday’s stock debut.

CNBC spoke to four people Shotwell has worked with and said that while Musk is a visionary who supports the company’s direction, Shotwell is the one who gets things done.

“While Elon is setting the vision, she is the one making sure it comes to fruition,” Nathan Silvernail, who spent seven years as an engineer at SpaceX from 2014 to 2021, working on projects such as life support systems, told CNBC.

“She’s actually in charge of the operations that keep the business running and bring in the money,” he said. Mr. Silvernail added that Mr. Shotwell is “the person who meets with customers, builds relationships, and closes deals.”

Mr. Shotwell, 62, now oversees 22,000 full-time employees at SpaceX after leading the company’s early Falcon rocket development and signing with NASA.

An engineer by background, Shotwell graduated from Northwestern University with a bachelor’s degree in mechanical engineering and a master’s degree in applied mathematics.

Initially hired as vice president of business development, Musk became Shotwell’s president in 2008.

SpaceX did not respond to a request for comment for this story, but Shotwell discussed his working relationship with Musk in a sit-down interview with CNBC that aired on Friday, the day of the IPO.

“When Elon asked me to be president, we were very clear about what was in my business and what was in his job,” Shotwell said.

“I feel like I’m there as a partner to help him get what he needs to do. I tend to focus on the day-to-day operations of the business, while he really digs into the technical stuff, as well as focusing on high-level strategy.”

Shotwell has managed everything from rocket development to the creation of Starlink and, most recently, the integration of xAI. She speaks to customers, regulators, and now public investors. Mr. Shotwell is also one of eight members of the company’s board of directors.

“In the beginning, she was selling SpaceX launches when they weren’t going well and keeping customers happy during failed launches,” said Kathryn Lueders, who spent more than 15 years as a program manager and administrator at NASA and worked directly with Shotwell before joining SpaceX as general manager for two years from 2023 to 2025.

“She has always been drawn in as a stable interface for customers, stakeholders and the public,” Lueders added. He currently advises space companies such as the German exploration company and space station company Vast.

SpaceX’s initial Falcon 1 launch failed to reach orbit, but its fourth launch in 2008 became the first privately developed liquid-fueled rocket to reach Earth orbit.

Phil McAllister, a NASA director for more than 19 years, met with Shotwell and Musk to discuss the development of the reusable Falcon 9 rocket and Crew Dragon capsule.

SpaceX used both to make history in 2020, becoming the first private company to transport astronauts to the International Space Station.

“I’ve never seen her waver when she had to make a decision,” McAllister said of Shotwell.

“She gathers the information that is available and moves forward, even if the information is incomplete,” he added. “But she is willing to reconsider decisions if things don’t go as expected, which I think is unique among senior-level executives.”

According to SpaceX’s IPO filing last month, Shotwell’s compensation totals $85.8 million in 2025, with the majority of that coming from option fees. Her base salary was $1.08 million.

Mr. Musk and Mr. Shotwell’s styles are complementary but completely different, Mr. McAllister said.

“Gwyn is a very approachable person. She’s great at ‘reading the mood,’ making people feel comfortable, and knowing the right thing to say in any situation,” he told CNBC. “Elon is more of a volatile person. You never know what he’s going to say, and conversations with him can be awkward.”

Derek Huerta, who worked as a satellite engineer at SpaceX from 2017 to 2024, told CNBC that “Elon is causing an urgent and sometimes unpleasant disruption.”

“She absorbs that and puts it into action, turning it into a plan that thousands of engineers can actually act on, keeping things running smoothly, and aligning people on big problems.”

Silvernail said he saw a pattern in meetings where Musk was “throwing out raw ideas, sometimes scattered and unorganized.” Shotwell “translates that into something viable,” he added.

“He’s a dreamer, but she’s the one who’s really digging,” he added.