How MK Reactors Went from Moving Live Concerts to Disinfecting COVID Supplies

Ben Bergman

Ben Bergman is the newsroom's senior finance reporter. Previously he was a senior business reporter and host at KPCC, a senior producer at Gimlet Media, a producer at NPR's Morning Edition, and produced two investigative documentaries for KCET. He has been a frequent on-air contributor to business coverage on NPR and Marketplace and has written for The New York Times and Columbia Journalism Review. Ben was a 2017-2018 Knight-Bagehot Fellow in Economic and Business Journalism at Columbia Business School. In his free time, he enjoys skiing, playing poker, and cheering on The Seattle Seahawks.

How MK Reactors Went from Moving Live Concerts to Disinfecting COVID Supplies

At the beginning of 2020, LNKBOX, a Los Angeles startup that had quickly established a niche helping major festivals such as Coachella and Bonnaroo with last-mile transportation, was poised for a breakthrough year.

The company had secured over $4 million in bookings for concerts across the country, inking deals with industry giants AEG and LiveNation that would quadruple revenue. It planned to expand from four to 20 full-time employees to handle the rush of contracts.


Then, in Mid-March as co-founder CEO Joseph Bradley was driving his Ford pickup across the country from a gig in Florida, when the pandemic hit. The concert business faced its worst possible nightmare. A company that took three years to build was decimated in days. Bookings vaporized and all Bradley could think about was trying to get recurring payments as close to zero as possible so his once-promising startup didn't run out of cash.

"The wheels fell off and a very full calendar ended up going to zero in 96 hours," Bradley remembers.

But this is not a story about how COVID decimated a promising young startup. LNBOX used the crisis to pivot towards something completely different: maintaining industrial-sized commercial decontamination units which use ultraviolet light to disinfect thousands of N95 masks an hour. The technology can also be used to sterilize medical equipment, professional sports gear, grocery carts — or anything that needs to be made germ free.

As it turns out, Bradley thinks the new company, MK Reactors, will be far more lucrative than LNKBOX and he has no plans to return to the concert business, even when live events resume.

"It was a forced pivot, but with that caveat considered when you do the math the marketplace is much bigger," he said.

Ultimately, a big part of LNKBOX's success depends on getting government approval to sterilize N95 masks, which Bradley hopes to receive in the next month under the FDA's Emergency Use Authorization process. The company won't share the names of any clients yet, but says it is in the process of securing its first large strategic partner to clean durable medical equipment.

"Pivoting from non-regulated space to a regulated space has been a journey in itself," he said.

From Coachella to Disinfecting Wheelchairs

The transition from concerts to decontamination is not as far fetched as it would first appear. Many of the vehicles LNKBOX used to ferry people and goods around concert venues and sporting events were powered by very large lithium ion batteries, which required their own unique way to be transported and stored. To do that, the company built an industrial-sized, climate-controlled lithium ion battery charging reactor inside a 20-foot-high shipping container.

In April, Bradley got the idea that those shipping containers could be repurposed into large decontamination units after he happened to read an article published by the University of Nebraska about how ultraviolet radiation could be used to decontaminate N95 masks. He called the authors of the report to see if his equipment might work and they quickly replied: "How many can you build and how fast?"

"Once we started looking into it we thought this was crazy because we've already built his thing," Bradley said. "What we knew how to do was basically design esoteric tech that was highly portable."

At this time last year, LNKBOX's five-person team was helping the Denver Broncos move people and equipment around and planning for a summer concert season that would see them attending upwards of 20 events. Now, the same group is trying to drum up business with hospitals and get FDA approval. It is an entirely different business in an entirely different market, but Bradley says being nimble is a requisite for any startup executive.

"As people who run businesses we have to constantly triangulate and look at how the market is reacting to your product," he said. "In a world where the marketplace blows up and you don't have any way to do that transition, we looked at what we could control."

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LA’s Upgrade in Travel and NBA Viewing
Image Source: Los Angeles World Airports

🔦 Spotlight

Exciting developments are underway for Los Angeles as the city prepares for major upgrades in both travel and entertainment. The Los Angeles Board of Airport Commissioners has approved an additional $400 million for the Automated People Mover (APM) at LAX, increasing its total budget to $3.34 billion. This boost ensures the elevated train’s completion by December 8, 2025, with service starting in January 2026. For Angelenos, this means a significant improvement in travel convenience. The APM will streamline connections between parking, rental car facilities, and the new Metro transit station, drastically cutting traffic congestion around the airport. Imagine a future without the dreaded 30-minute traffic delays at LAX! The APM will operate 24/7, reducing airport traffic by 42 million vehicle miles annually and carrying 30 million passengers each year, while also creating thousands of local jobs and supporting small businesses.

Meanwhile, the NBA is also making waves with its new broadcasting deals. The league has signed multi-year agreements with ESPN, NBC, and Amazon Prime Video, marking a notable shift in media partnerships. ESPN will maintain its long-standing role, NBC returns as a network broadcaster after years away, and Amazon Prime Video will provide NBA games through its streaming platform. Starting with the 2025-2026 season, these deals will enhance the league's reach and revenue, aligning with the NBA's goal to expand its audience and adapt to evolving viewing habits. Whether you're catching the action on TV or streaming online, these changes promise to elevate the fan experience and bring more basketball excitement to Los Angeles.


🤝 Venture Deals

LA Companies

  • Pearl, a startup that makes AI-powered software that assists dentists in identifying cavities, gum disease, and other dental conditions, raised a $58M Series B funding led by Left Lane Capital with Smash Capital, and others also participating. - learn more

LA Venture Funds

  • Fulcrum Venture Group participated in a prior $3.5M Pre-Seed Round for Code Metal, a developer tools startup. - learn more
  • B Capital co-led a $12.5M Seed Round for Star Catcher, a startup that aims to develop a space-based grid that captures solar energy in space and distributes it to satellites and other space assets. - learn more
  • Mantis VC and Amplify participated in a $140M Series C for Chainguard, an open source security startup. - learn more
  • Prominent LA venture capitalist, Carter Reum and wife, Paris Hilton, participated in a $14M Seed/Series A for W, the men’s personal care brand from Jake Paul. - learn more

LA Exits


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🤫 The Secret to Staying Fit at Your Desk: 6 Essential Under-Desk Exercise Machines

Health experts are sounding the alarm: our sedentary jobs are slowly killing us, yet we can't abandon our desks if we want to keep the lights on. It feels like we're caught between a rock and a hard place. Enter under-desk exercise machines – the overlooked heroes (albeit kind of goofy looking) of the modern workspace. These devices let tech professionals stay active, enhance their health, and increase their productivity, all without stepping away from their screens. Here are 6 fantastic options that will enhance the way you work and workout simultaneously.

DeskCycle Under Desk Bike Pedal Exerciser

This bike has nearly ten thousand five-star reviews on amazon. It works with nearly any desk/chair setup. It is quiet, sturdy and allows up to 40 pounds of resistance. If you are looking for an under-desk bike this is a fantastic option.

Type: Under-Desk Bike

Price: $180 - $200


Sunny Health & Fitness Dual Function Under Desk Pedal Exerciser

This under-desk bike is extremely quiet due to the magnetic resistance making it an ideal option if you work in a shared space. It doesn’t slip, has eight levels of resistance, and the option to work legs and arms. It’s about half the price of the DeskCycle bike making it a solid mid-range option for those looking to increase their daily activity.

Type: Under-Desk Bike

Price: $100 - $110


Sunny Health & Fitness Sitting Under Desk Elliptical

This under-desk elliptical comes in multiple colors if you really want to underscore that you are a quirky individual, in case an under-desk elliptical isn’t enough. This model is a bit heavy (very sturdy), has eight different resistance levels, and has more than nine thousand 5-star reviews.

Type: Under-Desk Elliptical

Price: $120 - $230


DeskCycle Ellipse Leg Exerciser

This under-desk elliptical is another great option. It is a bit pricey but it’s quiet, well-made and has eight resistance levels. It also syncs with your apple watch or fitbit which is a very large perk for those office-wide “step” challenges. Get ready to win.

Type: Under-Desk Elliptical

Price: $220 - $230


Daeyegim Quiet LED Remote Treadmill

If you have a standing desk and are looking to walk and work this is a fantastic option. This walking-only treadmill allows you to walk between 0.5 to 5 mph (or jog unless you have the stride length of an NBA forward). It is very quiet, which is perfect if you want to use it near others or during a meeting. You can’t change the incline or fold it in half but it is great for simply getting in some extra steps during the work day.

Type: Under-Desk Treadmill

Price: $220 - $230


Sunny Health & Fitness Foldable Manual Treadmill

This under-desk treadmill isn’t the most premium model but it is affordable and has an impressive array of features. It is a manual treadmill meaning it doesn’t need to be plugged in; it is foldable and offers an incline up to 13%. I personally can’t imagine working and walking up a 13% incline but if that sounds like your cup of tea, then I truly respect the hustle.

Type: Under-Desk Treadmill

Price: $150 - $200




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🤠Musk Picks Texas and 🔥Tinder AI Picks Your Profile Pictures

🔦 Spotlight

Tinder is altering dating profile creation with its new AI-powered Photo Selector feature, designed to help users choose their most appealing dating profile pictures. This innovative tool employs facial recognition technology to curate a set of up to 10 photos from the user's device, streamlining the often time-consuming process of profile setup. To use the feature, users simply take a selfie within the Tinder app and grant access to their camera roll. The AI then analyzes the photos based on factors like lighting and composition, drawing from Tinder's research on what makes an effective profile picture.

The selection process occurs entirely on the user's device, ensuring privacy and data security. Tinder doesn't collect or store any biometric data or photos beyond those chosen for the profile, and the facial recognition data is deleted once the user exits the feature. This new tool addresses a common pain point for users, as Tinder's research shows that young singles typically spend about 25 to 33 minutes selecting a profile picture. By automating this process, Tinder aims to reduce profile creation time and allow users to focus more on making meaningful connections.

In wholly unrelated news, Elon Musk has announced plans to relocate the headquarters of X (formerly Twitter) and SpaceX from California to Texas. SpaceX will move from Hawthorne to Starbase, while X will shift from San Francisco to Austin. Musk cited concerns about aggressive drug users near X's current headquarters and a new California law regarding gender identity notification in schools as reasons for the move. This decision follows Musk's previous relocation of Tesla's headquarters to Texas in 2021.

🤝 Venture Deals

LA Companies

LA Venture Funds

LA Exits

  • Penguin Random House agreed to acquire comic book publisher Boom! Studios from backers like Walt Disney Co. - learn more

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