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Stealth EV startup Rivian adds McLaren and Nike execs to lead development
Rivian, the stealthy, Michigan-based electric vehicle (EV) startup, is taking large steps forward in their new vehicle development program. The company recently added two new executives, Mark Vinnels and Rob Williams.
Mark Vinnels joined Rivian in November as Executive Director of Engineering and Programs, and oversees the development of Rivian’s vehicle platform. Vinnels was formerly the Executive Director of Product Development and Programme Director at McLaren Automotive. Vinnels joined McLaren in 2004 to lead the development of McLaren’s first road car since the infamous F1. Before joining McLaren, Vinnels was head of Lotus’s new vehicle programs and oversaw the Elise, Exige, and Europa new vehicle lines. Vinnels is also credited for his instrumental role in the development of GM’s Family 1 engine program.

Mark Vinnels, Rivian’s new Executive Director of Engineering & Programs at Rivian Automotive. (Credit McLaren Automotive)
While at McLaren, Vinnels helped the company grow its engineering division from roughly 50 engineers to 550 and significantly increased its vehicle lineup.
Rivian’s team also includes another former McLaren executive, Anthony Sheriff, who joined Rivian’s Board of Directors in 2016. Sheriff was the Managing Director of McLaren Automotive from 2003-2013, a period in which McLaren created a road car division in addition to the company’s rich history in the automotive racing arena. Sheriff was an executive at Fiat before his tenure at McLaren and also sits on the Board of Directors for electric supercar manufacturer Rimac.
Also joining Rivian is Rob Williams as Chief Creative Officer. Williams carries experience from both the automotive industry and the footwear industry. He was most recently a Senior Design Director of Footwear at Nike and spent four-and-a-half years at Chrysler. During his time as a product designer at Chrysler, he led several designs of Chrysler SUVs and Dodge Trucks.
Williams joins Jeff Hammoud, Director of Vehicle Design. Hammoud has extensive experience at Fiat-Chrysler and left the company as Chief of Design of the Jeep Brand. Hammoud joined Rivian in May 2017, followed by Williams in June.
Based on a combination of the design team’s backgrounds and patents released by Rivian last summer, it appears that Rivian’s first vehicle could be some sort of SUV. An in-depth analysis of Rivian’s design team members’ LinkedIn profiles reveals that nearly half of the team has experience with Fiat Chrysler Automotive (Formerly Chrysler), with many specializing in SUV/Truck designs.

Rivian’s Patent for “Reconfigurable Electric Vehicles”. It’s worth noting that patents do not usually reflect a vehicle’s actual planned design, rather the mechanism that the company is patenting. (Credit: Public Patent Filing)
Rivian currently has 225 employees, up from 115 at the start of the year. Other notable additions to Rivian’s team include 15 former Faraday Future employees. Faraday Future is nearly defunct after it continued to miss its wildly ambitious goals and saw its main financier’s global expansion fall apart. Most of the team from Faraday is working on Rivian’s autonomous driving technology or other highly technical roles.
The timeline for Rivian’s massive 2.6 million-square-foot manufacturing facility on the west side of Normal is still unknown. Rivian purchased the factory in January 2017 for $16 million, including all of the contents in the factory.
While Rivian hasn’t revealed many details about the development of its all-electric vehicle platform, the company revealed today that it has received a large strategic investment from New York-based Sumitomo Corporation of Americas (SCOA).
Rivian’s CEO RJ Scaringe couldn’t comment directly on the details of the investment, but did say the following to AdaptBN: “We are honored and excited to have Sumitomo as a strategic investor. Their global reach, expertise, and network in the automotive sector will help us in executing our vision. This investment reflects the result of our team’s hard work in developing our technology and products.”
Due to the level of mystery surrounding Rivian’s plans and product line, local residents and officials have begun comparing it to the likes of “Willy Wonka’s Chocolate Factory.” But only time will tell if Rivian holds a golden ticket to the future.
Elon Musk
Elon Musk gives his most telling Tesla-SpaceX merger conversation yet
Elon Musk hinted a Tesla-SpaceX merger could be coming, and Wall Street is taking notice.
Elon Musk gave his clearest signal yet that Tesla and SpaceX could eventually combine, telling the All-In Summit in Los Angeles that the two companies’ deepening collaboration makes the question worth asking. Sawyer Merritt first surfaced the highlight on X Tuesday.
Asked directly why Tesla and SpaceX remain separate given how closely they already work together, Musk told hosts at the summit: “Great question there. With all this collaboration, on so many levels, who can imagine what action one might take when there’s so much close collaboration in so many areas.” SpaceX President Gwynne Shotwell, who joined Musk on stage, added that SpaceX personnel have already moved into xAI to fill leadership and engineering gaps, saying the businesses are integrating “faster than I thought,” though “not fully integrated yet,”
The comments landed on top of merger speculation that has been building on Wall Street for months. JPMorgan has called a tie-up “strategically coherent on paper,” pointing to overlapping ambitions in AI, robotics, energy, transportation and space. Jefferies went further, estimating Musk could retain roughly 55.3 percent voting control in a deal structured without a premium, a scenario that would still leave room for Tesla shareholders to come out ahead. On Kalshi, traders now put the odds of a merger before 2028 at 66 percent.
Tesla’s stake in SpaceX, still under one percent, traces back to its earlier investment in xAI, which converted to SpaceX equity after SpaceX absorbed the AI company. The two are also jointly building Terafab, a chip facility in Austin meant to serve both Tesla’s AI computing needs and SpaceX’s satellite ambitions. Wedbush analyst Dan Ives has stood by a 2027 merger timeline for months, and Cathie Wood’s ARK Invest recently floated a similar case, an idea Musk pushed back on directly at the time.
Another Tesla SpaceX merger prediction by ARK Invest has Elon Musk talking
The timing adds another layer. Tesla has scheduled an October 1 unveiling for its next generation Roadster at a venue near SpaceX’s McGregor, Texas test site, using the phrase “Go for launch” in its promotional material. Both stocks dipped roughly 2 percent Monday before recovering slightly in premarket trading Tuesday, with SpaceX shares up about 0.4 percent and Tesla essentially flat.
Musk stopped short of confirming anything is in motion. But unlike his past denials of a corporate restructuring, this response didn’t rule one out, and it came with Shotwell sitting next to him describing an integration that’s already underway.
Elon Musk
Tesla Roadster unveiling is getting hyped up by Elon Musk
The Tesla Roadster unveiling is getting hyped up by the company’s CEO Elon Musk, who has been a big reason the product has such high expectations due to delayed timelines and a constant need to make it even more insane than before.
Tesla announced on September 12 that it would officially unveil the Roadster in Waco, Texas, on October 1, ending years of patience for fans and reservation holders who have waited for the all-electric supercar to enter production since 2017.
Musk has said that this event will be well worth the wait on several occasions, and last year on the Joe Rogan Experience, he said that there should be a closing chapter to supercars- the end of cars that aren’t focused on safety.
He said:
“Whether it’s good or bad, it will be unforgettable. My friend Peter Thiel once reflected that the future was supposed to have flying cars, but we don’t have flying cars. I think if Peter wants a flying car, he should be able to buy one. I think it has a shot at being the most memorable product unveil ever. This is some crazy technology in this car. Let’s just put it this way: if you took all the James Bond cars and combined them, it’s crazier than that.”
Musk’s teases have continued, and now that the event is roughly two weeks away, it seems like Roadster is finally going to show up and blow some minds:
It’s out of this world
— Elon Musk (@elonmusk) September 13, 2026
Excitement guaranteed
— Elon Musk (@elonmusk) September 13, 2026
Tesla has definitely dragged out the development of the Roadster, but there is a good reason for it.
Tesla has been working on many other projects, most notably self-driving efforts to increase passenger safety, and those simply took priority over the Roadster, a low-volume, high-performance sports car that has a lightning-fast acceleration rate of 0-60 MPH in just 1.1 seconds, could potentially fly, and contributes very little to the company’s mission.
However, many people have the Roadster on pre-order through the referral program or with their own money, and it is time that Tesla delivers on that.
Elon Musk
Elon Musk’s Boring Company has big plans for Las Vegas by year’s end
Elon Musk’s Boring Company says Vegas Loop stations will double by year end once again.
The Boring Company says the Vegas Loop’s station count will double by the end of the year, tying the target to a hiring push for drivers and operations managers in Las Vegas. “Vegas Loop is getting bigger – the station count will double by end of year!” the company wrote in a post on X, attaching listings for a Loop driver and a senior Loop operations manager.
The number checks out against what’s already public, with the Vegas Loop currently running 14 operational stations, while the Boring Company’s own project page lists 28 as the target for the end of 2026.
Vegas Loop is getting bigger – the station count will double by end of year!
Urgently hiring exceptional and enthusiastic Drivers and Ops Managers.
Apply here!
Driverhttps://t.co/ZUPXBYTONb
Senior Loop Ops Managerhttps://t.co/mV6V22V8jH pic.twitter.com/IZ9FqIw8WY
— The Boring Company (@boringcompany) September 14, 2026
Much of that growth is tied to tunnels that are already built and waiting on an opening date. A roughly two-mile dual tunnel system under Paradise Road, connecting Westgate to a planned station at 4744 Paradise Road, is expected to open in stages over the coming weeks, Las Vegas Convention and Visitors Authority chief executive Steve Hill told the Review-Journal last week. New stations at 4744 Paradise, Virgin Hotels Las Vegas, and the former Gordon Biersch site would come online with it, several of them built to speed up rides to Harry Reid International Airport ahead of Formula 1’s Las Vegas Grand Prix.
Clark County entitled Vegas Loop for 123 stations after approving 19 more in August, as Teslarati reported at the time. Entitlement and construction move at different speeds on this project, so county approval alone does not guarantee a station opens on any particular schedule.
Clark County approved 18 additional stations back in 2023, part of a plan that pushed the system’s target to 69 stations across 65 miles, doubling the network on paper for the first time. The target kept climbing after that, to roughly 93 stations by the end of that year and 104 by last year, before August’s vote pushed it to 123. This week’s announcement is the first time that doubling language has been attached to stations actually running rather than stations merely approved on a county map.
Ridership gives some sense of what a denser network could carry. Boring Company executive Mike Baier said in July that the Vegas Loop already moves around 40,000 passengers on busy convention days, a total that tops most light rail systems in the country despite the system running on a fraction of its planned tunnel mileage. Company leadership has projected ridership could triple or quadruple once the airport connector tunnels fully open.
Boring Company did not say which stations beyond those already under construction would open by year end, or whether the hiring push points to a fleet expansion alongside the new stops.