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Founders

Who Founded Rivian Automotive?

Robert "RJ" Scaringe · Founded 2009 · HQ today: Irvine, California

Who founded Rivian Automotive?

Rivian Automotive was founded by Robert "RJ" Scaringe in 2009 in Rockledge, Florida, United States. It is now led by Robert "RJ" Scaringe.

Founders
Robert "RJ" Scaringe
Founded
2009
Headquarters
Irvine, California
Number of founders
1
Current CEO
Robert "RJ" Scaringe (since 2009)
Where was Rivian Automotive founded?
Rivian Automotive was founded in Rockledge, Florida, United States in 2009. en.wikipedia.org
When was Rivian Automotive founded?
Rivian Automotive was founded in 2009.
Who started Rivian Automotive?
Rivian Automotive was founded by Robert "RJ" Scaringe.
How old is Rivian Automotive?
Rivian Automotive is 17 years old as of 2026.

Founding Story

RJ Scaringe founded the company in 2009, shortly after finishing a mechanical engineering PhD at MIT, under the name Mainstream Motors. Early work on a sports car was dropped around 2011, when the company became Rivian and refocused on electric trucks and SUVs. It bought the idle Mitsubishi plant in Normal, Illinois in 2017 and revealed the R1T and R1S at the 2018 Los Angeles Auto Show, after which Amazon and Ford invested.

Robert "RJ" Scaringe

Co-founder 2009

Background

RJ Scaringe was born in 1983 in Rockledge, Florida, and developed an early interest in cars working at a Porsche restoration shop as a teenager, with the goal of building his own vehicle brand by age eighteen. He earned a bachelor's degree in mechanical engineering from Rensselaer Polytechnic Institute, then a PhD in mechanical engineering from MIT, where he worked at the Sloan Automotive Laboratory converting a 1976 Porsche into an electric vehicle. One day after finishing his PhD in 2009, at age 26, Scaringe founded the company that would become Rivian -- initially called Mainstream Motors -- funded in part by second mortgages he and his engineer father each took out. By 2019, before selling a single vehicle, Scaringe had raised $1.7 billion, including $700 million from Amazon and $500 million from Ford, and secured Amazon's order for 100,000 electric delivery vans, the largest single commercial-EV order ever placed.

Role at Rivian Automotive

RJ Scaringe was born in 1983 in Rockledge, Florida, and developed an early interest in cars working at a Porsche restoration shop as a teenager, with the goal of building his own vehicle brand by age eighteen. He earned a bachelor's degree in mechanical engineering from Rensselaer Polytechnic Institute, then a PhD in mechanical engineering from MIT, where he worked at the Sloan Automotive Laboratory converting a 1976 Porsche into an electric vehicle. One day after finishing his PhD in 2009, at age 26, Scaringe founded the company that would become Rivian -- initially called Mainstream Motors -- funded in part by second mortgages he and his engineer father each took out. By 2019, before selling a single vehicle, Scaringe had raised $1.7 billion, including $700 million from Amazon and $500 million from Ford, and secured Amazon's order for 100,000 electric delivery vans, the largest single commercial-EV order ever placed.

Education: Massachusetts Institute of Technology.

Rivian Automotive: CEO & Leadership History

Full timeline →

Claire McDonough

Chief Financial Officer (departing)

2020 – 2026

As CFO, she ruthlessly enforced cost-cutting measures, navigating severe supply chain shortages and renegotiating supplier contracts to drastically reduce the massive loss per vehicle.

Robert "RJ" Scaringe

Founder and Chief Executive Officer

2009 – Present

Scaringe has led Rivian from development-stage startup through production ramp, IPO, Amazon commercial vans, the Volkswagen JV and the 2026 R2 launch.

Keep researching Rivian Automotive

Who Founded Rivian Automotive? FAQ

Who is the founder of Rivian?

Rivian was founded as a solo venture by Robert Joseph "RJ" Scaringe in 2009 in Rockledge, Florida.

Where was RJ Scaringe born and raised?

RJ Scaringe was born on January 19, 1983, and grew up in Melbourne, Florida, near the Indian River Lagoon, where he spent his youth surfing, hiking, and developing a deep passion for wildlife and outdoor nature.

How did RJ Scaringe develop his passion for automotive engineering?

As a teenager, Scaringe helped a neighbor rebuild and restore vintage Porsche 356 sports cars in a Florida garage, learning every mechanical component of engines, transmissions, and chassis suspensions with his hands.

What research did RJ Scaringe conduct during his Ph.D. at MIT?

At MIT's Sloan Automotive Laboratory, Scaringe researched high-efficiency internal combustion engines, variable compression ratios, and emissions reduction under renowned automotive professor Dr. Wai Cheng.

What personal financial sacrifices did Scaringe make to start Rivian?

After graduating from MIT in 2009, Scaringe took out personal loans, maxed out multiple credit cards, and convinced his father to take out a second mortgage on the family home to provide initial seed funds to launch Mainstream Motors in Rockledge, Florida.

Why did RJ Scaringe choose the name "Rivian"?

The name "Rivian" is derived from the "Indian River," the natural coastal lagoon in Melbourne, Florida, where Scaringe spent his youth kayaking, boating, and exploring nature.

How many employees did Rivian have in its early Florida years?

Rivian operated with fewer than 20 engineers and designers working out of a small facility in Rockledge, Florida, from 2009 to 2011, before moving core technical teams to Plymouth, Michigan, to be closer to Detroit automotive supply chains.

What early investors backed RJ Scaringe before Amazon and Ford?

Early backing came from angel investors, including Saudi automotive investment conglomerate Abdul Latif Jameel (ALJ) and Sumitomo Corporation, who recognized Scaringe's technical depth and provided critical patient capital through the mid-2010s.

What is unique about RJ Scaringe being a solo founder in modern auto manufacturing?

Unlike tech startups that typically feature multiple technical co-founders, Scaringe founded and led Rivian as a solo founder, maintaining unified design, engineering, and cultural vision across a complex, capital-intensive manufacturing enterprise.

What outdoor values does Scaringe bring to Rivian's company culture?

Scaringe is an avid mountaineer, trail runner, and mountain biker. He designed Rivian's company culture to promote environmental preservation, mandating sustainable vehicle materials, low-impact manufacturing, and active stewardship of public lands.

What awards and recognitions has RJ Scaringe earned?

Scaringe has been named to the Time 100 Most Influential People list, MotorTrend's Person of the Year Power List, and the Automotive News All-Stars, widely acknowledged as the leading visionary of second-generation electric mobility.

Does RJ Scaringe drive a Rivian as his daily personal vehicle?

Yes, RJ Scaringe daily-drives production and prototype Rivian vehicles (including R1T, R1S, and early R2 validation prototypes), frequently taking his family on rugged camping and road-testing trips across the western United States.

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