Mark Rober: From NASA Engineer to 84 Million Subscribers

Channel: Mark Rober   Who: Mark Rober, engineer, Sunnyvale, California   Subscribers: 84.3M (as of 22 October 2026)   Niche: science, engineering builds and gadgets

Mark Rober's channel sums him up in one line: "Former NASA engineer. Current CrunchLabs founder and friend of science." It reads like a polished brand now, but it started with a man filming a Halloween costume while he still had a full-time engineering job.

The kid who built onion goggles

Mark grew up in Brea, California, the youngest of three, and graduated from Brea Olinda High School in 1998. He got into engineering early. One of his first inventions was a pair of goggles to stop his eyes stinging while he cut onions. He earned a mechanical engineering degree from Brigham Young University in 2004 and later a master's from the University of Southern California.

Nine years at NASA

In 2004 he joined NASA's Jet Propulsion Laboratory. He stayed nine years, and spent seven of them working on the Curiosity rover, which is now on Mars. He designed and delivered hardware for several JPL missions. None of that was on YouTube. It was a day job, and a demanding one.

A costume, a viral video and a first business

In October 2011, while still at NASA, he posted his first YouTube video. It showed a Halloween costume that used two iPads to create the illusion of a gaping hole through his torso. It got 1.5 million views in a day.

He didn't stop at the views. The next year he launched Digital Dudz, an online costume company built on the same idea, which he held the patent for. It took $250,000 in its first three weeks, and by 2013 the costumes were sold in stores such as Party City. He sold the company to Morphsuits in 2013. The pattern was set early: make something people love on camera, then give the fans who want more a way to buy in.

From Apple to full-time YouTube

After NASA he did not jump straight to video. From 2015 to early 2020 he worked as a product designer in Apple's Special Projects Group, where he wrote virtual reality patents for self-driving cars. The videos kept growing alongside the job. In December 2018 his glitter bomb video, a decoy parcel that sprayed glitter and fart spray on package thieves, got 25 million views in a day. In 2020 his Backyard Squirrel Maze, an obstacle course to keep squirrels off his bird feeder, went on to pass 114 million views by September 2023.

He also teamed up with MrBeast on #TeamTrees in 2019 and #TeamSeas in 2021, two fundraisers backed by YouTubers around the world.

CrunchLabs: a subscription business built on a channel

In 2022 Mark founded CrunchLabs, which sells CrunchLabs Build Boxes: subscription boxes of building projects and engineering challenges for kids. In 2024 it added Hack Pack, a coding and robotics box for teens and adults. By 22 October 2026 his main channel had 273 videos and 84.3 million subscribers.

That is the part worth studying. Ad revenue swings with the algorithm. A subscription turns the people who already love your work into steady monthly income, and it gives them something extra that the free videos don't.

What other creators can take from it

You don't need to land a rover on Mars. Mark's path has three parts any creator can copy: start while you still have a day job, make one thing people genuinely love, and then give your biggest fans a paid way to get more of it. You don't need a warehouse of boxes to do the last part. A membership page can hold the extras: build notes, behind-the-scenes videos, early access, plans and ebooks.

On Yaff you can sell posts, photo dumps, videos and ebooks behind monthly tiers, take tips, and talk to supporters in group chats and DMs. Starter is free with a 5% platform fee, and payouts go to your bank daily via Stripe. Start your free Yaff page, or see pricing.

More origin stories: From Plumber to 13M Subscribers: The Colin Furze Story, From Crashed Audi to 7 Million Subscribers: The Mat Armstrong Story, and membership ideas for YouTubers.

Watch Mark Rober on YouTube