Mark Rober — Engineer-turned-science creator
Elite

Mark Rober

Engineer-turned-science creator

Human
Verified
USA
English

Mark B. Rober is an American YouTuber, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets. Before he became a YouTuber, Rober was an engineer with NASA for nine years, where he spent seven years working on the Curiosity rover at NASA's Jet Propulsion Laboratory

Total reach
91.8M
Known for
Engineer-turned-science creator
MarkRober

YouTube subscribers: 84.7M (84,700,000)

Mark Rober follower count by platform

Latest recorded followers, subscribers and engagement on each platform.

YouTube
@MarkRober

84.7M

as of Oct 26, 2026

Subscribers

+500K
Instagram
@markrober

3.1M

as of Sep 21, 2026

Followers

+206

4M

as of Sep 21, 2026

Followers

-2M

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Member data

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  • Contact email for brand deals
  • Audience age and gender split
  • Engagement rate per platform
  • Estimated rate per sponsored post

About Mark Rober

Who is Mark Rober? Background, country and claim to fame

Mark B. Rober is an American YouTuber, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets. Before he became a YouTuber, Rober was an engineer with NASA for nine years, where he spent seven years working on the Curiosity rover at NASA's Jet Propulsion Laboratory Based in USA, Mark Rober is best known as engineer-turned-science creator, with a combined following of roughly 78M across 3 tracked platforms.

Mark Rober: audience split and what they are known for

Mark B. Rober is an American YouTuber, engineer, inventor, and educator. USA; languages English. YouTube @MarkRober had 84,700,000 subscribers on 26 Oct 2026. TikTok @markrober had 4,000,000 followers on 21 Sep 2026. Instagram @markrober had 3,082,670 followers on 21 Sep 2026. Together the tracked networks come to 91,782,670. The same readings are on the Mark Rober profile.

NetworkAudienceLast checked
YouTube (@MarkRober)84,700,000 subscribers26 Oct 2026
TikTok (@markrober)4,000,000 followers21 Sep 2026
Instagram (@markrober)3,082,670 followers21 Sep 2026

How Mark Rober got famous

Mark Rober built an audience by posting consistently in the education space and turning one format into a habit for fans. Youtube is the biggest home for that audience today at about 70M followers, and growth on the other platforms followed the same content being cut for each feed. Exact milestone dates vary between sources, so treat the timeline here as an outline rather than an official record.

What Mark Rober posts

Expect education and tech content: the recurring formats that made the channel recognisable, collaborations with other creators in the same niche, and short-form cuts made for TikTok, Reels and Shorts. Posting in English keeps the core audience in USA, while subtitles and visual formats pull in viewers worldwide.

Mark Rober brands, business and partnerships

Like most creators at this scale, Mark Rober earns through platform revenue, sponsorships and brand partnerships, with merchandise or own-brand products layered on top. Public deal terms are rarely disclosed, so we list only ventures that have been reported publicly and avoid guessing at contract values.

Mark Rober net worth in 2026

Published net-worth figures for Mark Rober come from third-party estimate sites, not audited accounts, and they disagree with each other by a wide margin. What can be said with confidence is that a following of about 78M supports meaningful income from Youtube alone, before brand work and business ventures. We do not publish a single number we cannot source.

Films, TV and signature work

Mark Rober is best known for his Glitter Bomb videos targeting package thieves, elaborate backyard squirrel obstacle courses, and engineering experiments that explain popular science.

Where to watch

Watch his videos on his YouTube channel, with additional short-form content on TikTok and Instagram.

Awards and milestones

Rober has won Streamy Awards for his science and engineering content.

How big is Mark Rober's audience?

Mark Rober has 91.8M followers in total, which puts this profile in the elite band (over 10m followers). The largest single audience is on YouTube with 84.7M subscribers — about 92% of the total reach.

TikTok is the second home with 4M, so the audience is concentrated on one platform. That matters for planning: a campaign here is effectively a YouTube campaign, and asking for cross-posting adds little extra reach.

What 91.8M combined followers actually means

Combined reach is the sum of followers and subscribers per platform. It is not unique people: audiences overlap, so treat it as a size indicator for shortlisting rather than a guaranteed audience.

Related questions

How many followers does Mark Rober have in 2026?
Mark Rober has around 91.8M followers in total across 3 tracked platforms in 2026: 84.7M on YouTube, 4M on TikTok, 3.1M on Instagram. Counts are public platform figures and shift daily, so treat them as close approximations.
Is Mark Rober gaining or losing followers?
Mark Rober is gaining followers: combined reach moved from about 89.6M to 91.8M between Sep 17, 2026 and Oct 26, 2026, a gain of roughly 2.2M (2.5%). The trend chart on this page plots the same recorded checks month by month.
How fast is Mark Rober growing?
Over that period Mark Rober added roughly 57K followers a day on average, or about 1.7M a month if the pace holds. Short-term swings are common — platform clean-ups of inactive accounts can pull a count down even while a creator posts well.
Which platform is Mark Rober growing fastest on?
YouTube up 2.2M. These are changes between recorded checks, not projections, so use them as direction rather than a forecast.
Which platform is Mark Rober biggest on?
YouTube, with about 84.7M subscribers — roughly 92% of a 91.8M total following. That places Mark Rober in the Elite band (Over 10M followers).

Mark Rober's followers by platform

Here is where Mark Rober's audience actually sits, platform by platform, using the latest count we recorded on each one (last checked Oct 26, 2026).

Every handle above links to the official account, so you can open it and check the numbers yourself before you reach out.

Mark Rober follower count by platform (last checked Oct 26, 2026)
PlatformFollowers / subscribersShare of reachOfficial handle
YouTube84.7M subscribers92%@MarkRober
TikTok4M followers4%@markrober
Instagram3.1M followers3%@markrober

Official handles and live links

Every handle on this page links to the official account. If you are verifying Mark Rober before a deal, open the profiles directly rather than trusting screenshots — the live number is always one click away.

Related questions

How many subscribers does Mark Rober have on YouTube?
Mark Rober has about 84.7M subscribers on YouTube as of the latest recorded check, which is roughly 92% of Mark Rober's total 91.8M following. The handle links on this page go straight to the live profile so you can confirm the number yourself.
How many followers does Mark Rober have on TikTok?
Mark Rober has about 4M followers on TikTok as of the latest recorded check, which is roughly 4% of Mark Rober's total 91.8M following. The handle links on this page go straight to the live profile so you can confirm the number yourself.
How many followers does Mark Rober have on Instagram?
Mark Rober has about 3.1M followers on Instagram as of the latest recorded check, which is roughly 3% of Mark Rober's total 91.8M following. The handle links on this page go straight to the live profile so you can confirm the number yourself.
What are Mark Rober's official social media handles?
markrober on TikTok, MarkRober on YouTube, markrober on Instagram. Every handle here links to the live profile, so anything not listed on this page is not a handle we have been able to confirm for Mark Rober.

Who follows Mark Rober?

Mark Rober is based in USA and posts in English. For brands that usually means the core audience follows the same market and language, with a long tail from everywhere else — big accounts rarely stay local.

The content sits in education and tech & science, so the people watching are self-selected for those interests. That is the useful part of a niche profile: a mid-size account inside the right category often beats a much larger general account, because the audience already cares about the subject.

If you need the same audience profile in another market, the country and language lists on CreatorFanBase let you line up comparable creators side by side instead of guessing.

Working with Mark Rober

If you are shortlisting Mark Rober for a campaign, these are the facts worth carrying into the brief. Everything here is stored data, refreshed on a schedule rather than typed in once.

A practical sequence: check the lead platform matches where your buyers are, check market and language, open the official account to see recent posting frequency, then ask for a media kit and rate card directly.

Lead platform for a brief
YouTube
Category fit
Education and Tech & Science
Budget signal
Elite audience (over 10m followers)

Related questions

Is Mark Rober a good fit for a brand campaign?
Mark Rober sits in the Elite band (Over 10M followers) in education and tech & science with a USA-led audience. Smaller bands usually convert harder per follower while larger ones buy reach, so match the band to whether the goal is awareness or sales.
How can brands contact Mark Rober?
Use the official handles linked on this page, and include the campaign scope, deliverables, timeline and budget in your first message.

How we verify Mark Rober's numbers

Mark Rober's counts come from the platforms themselves via YouTube official data, instagram public profile, tiktok public profile and Public platform profiles (approximate) and are refreshed on a schedule; the most recent check was Oct 26, 2026. When a platform blocks a read, we keep the last verified number and show where it came from instead of filling the gap with an estimate.

How often the numbers are refreshed

Large jumps are treated as suspect: a sudden drop past our safety threshold is held back for review rather than published, which is why the numbers here tend to be lower-drama than screenshots circulating elsewhere. Found something out of date? The profile links on this page go to the official accounts, so the live number is always one click away.

Related questions

Is Mark Rober a real verified account?
Yes — Mark Rober's profile on CreatorFanBase is checked against the live platform pages linked above, and follower numbers come from public platform data rather than self-reported claims. If a link ever breaks we drop the number instead of guessing.
When were Mark Rober's follower numbers last updated?
The most recent recorded check was Oct 26, 2026. Counts are refreshed on a rolling schedule from public platform data, and a sudden unexplained drop is held back for review rather than published.

Is Mark Rober gaining or losing followers?

Follower growth is best judged across several comparable monthly checks, not a few days of snapshots. CreatorFanBase does not yet have enough monthly history to call a reliable rise or fall for Mark Rober; the current platform totals above remain the clearest view of audience size.

Mark Rober's Fan Score

CFB Rating 9.3 out of 10, and what fans think.

Audience reach9.2 / 10
Platform presence9.0 / 10
Profile depth10.0 / 10

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More about Mark Rober

Other questions people ask about Mark Rober.

When was Mark Rober born, and how old is Mark Rober?
Mark Rober was born on Mar 11, 1980, which makes Mark Rober 46 years old. Mark Rober is from USA.
What is Mark Rober best known for?
Engineer-turned-science creator. Main niches: Education, Tech & Science.
What language does Mark Rober create in?
Mainly English. Language is a strong signal of where an audience sits, so it is worth checking before a campaign.
What is Mark Rober's net worth?
Published net-worth figures for Mark Rober come from third-party estimate sites, not audited accounts, and they disagree with each other by a wide margin. What can be said with confidence is that a following of about 78M supports meaningful income from Youtube alone, before brand work and business v…
Where is Mark Rober based?
Public profiles place Mark Rober in USA, posting mainly in English. We only publish the country a creator's own platforms and public reporting support, and we do not publish claims about ethnicity, religion or private address details.
How much does Mark Rober earn per post?
There is no public rate card for Mark Rober. Budget guidance on this page is $120K+. For accounts above 10 million followers we show a starting estimate instead of a range, because fees at that size are negotiated individually. Mark Rober sets the real fee.
Who are creators similar to Mark Rober?
CreatorFanBase lists comparable names in education, tech & science and in USA, filterable by follower size, country and language. The related links on this page are the quickest route to the closest matches.

Mark Rober sponsorship rate and cost per post

How much does it cost to hire Mark Rober? A planning estimate for one sponsored post is $120K+ (estimate). Fees at this audience size are negotiated individually.

DeliverableEstimated cost
Story or short mention$42K+
Sponsored post, Reel or Short$120K+
Dedicated video or integration$220K+
Three-post campaign package$310K+

How to hire Mark Rober

Send a free brief and CreatorFanBase checks availability, then negotiates the fee and terms with Mark Rober for you.

Estimates use combined public follower counts. Up to 10 million followers, we show a planning range; above 10 million, we show an open-ended starting estimate because campaign scope drives the final fee.

Before you brief Mark Rober

Agree deliverables in writing, check past brand work for conflicts, and agree how results are measured. Rates on this page are planning estimates from public follower counts, not quotes. Starter is $1 to search the full directory.

See plans·How counts are measured

Book Mark Rober for your next campaign

We handle outreach, rate negotiation, contracts and content delivery with Mark Rober and other creators for you — done-for-you.

Free to ask — no payment upfront. Booking is subject to the creator's availability and agreement, and rates are confirmed by the creator.

How to contact Mark Rober for a brand partnership

Official channels and links

Business email: most creators publish a business address in their profile bio or on their website. We only list contact details a creator has made public themselves, so where no public address exists, use a direct message on the platform above.

Open for collaboration requests

Request a collaboration with Mark Rober

Share your brief once. We pass it on through the creator's public business channels.

Are you Mark Rober or their manager? Claim this profile

Explore creators like Mark Rober

Jump to the rankings, countries and platforms this profile belongs to.

Guides for campaigns like this

influencers like Mark Rober: compare campaign candidates

Data & sources

How the numbers on this page are collected and what they mean.

Last updated
Oct 26, 2026
Where it comes from
YouTube official data · instagram public profile · tiktok public profile · Public platform profiles (approximate)
Accuracy
Follower counts are approximate public figures and net-worth figures are third-party estimates, not verified financials. Spotted an error? Send a correction.

References and further reading

People also ask

Straight answers to the questions people search for.

How many subscribers does Mark Rober have?

Mark Rober has about 91.8M followers and subscribers combined across the platforms stored on this profile, with YouTube the largest. That figure is the latest snapshot we have saved, so keep the date next to it if you quote it. How those readings are refreshed is on the methodology page.

How many YouTube subscribers does Mark Rober have?

About 84.7M is the stored YouTube subscriber count for Mark Rober. A brand buying a different network should read that network's own row, because the combined number is wider. The snapshot habit is explained on the methodology page.

What is Mark Rober's TikTok audience?

Mark Rober has about 4M TikTok followers stored on this profile, separate from the other networks. Use that row when the deliverable is a TikTok post. The combined total is a wider number. More TikTok profiles are on the TikTok page.

What does a sponsored post from Mark Rober cost?

For planning, Mark Rober sits at $120K+ for one sponsored post. For accounts above 10 million followers we show a starting estimate instead of a range, because fees at that size are negotiated individually. It uses the combined public follower count on this profile, with the YouTube rate band. Ask Mark Rober for the current fee. The method is on the methodology page.

Are Mark Rober's handles verified?

Yes. The handles on this profile are marked verified, which means they were matched to Mark Rober's public accounts. Use those links when you write so you reach the official channel. If a handle looks wrong, tell us on the contact page.

Which country is Mark Rober from?

USA is the country on Mark Rober's profile. Use it when you need creators from that market, then open a recent post if the city matters. A city is not stored separately. The wider set of creators tagged USA is on the country list.

What language does Mark Rober post in?

Mark Rober is tagged as English-speaking on this profile. Use that when the script or the voiceover has to be in English, then watch a recent post to confirm the mix. One tag can cover more than one language in the work. Other English creators can be filtered in search.

What niche is Mark Rober in?

The category stored for Mark Rober is Education. That is the niche label on the profile, not a promise that every post matches a brief. One label covers a lot of styles. Watch a recent piece of work, then compare others on the Education category.

How do I email Mark Rober for a brand deal?

Use the collaboration form on this profile to send Mark Rober your campaign brief, or contact the official account directly. Include the deliverable, budget and timing; the CreatorFanBase team reaches out and negotiates the deal for you. Discovery plans are on pricing.

Which creators are similar to Mark Rober?

Similar profiles are linked on this page. For a wider set in the same niche, open the Education category and add a country or follower size if you need a shorter list. Read a few recent posts before you decide who to email.

When was Mark Rober's follower count last updated?

The newest follower snapshot stored for Mark Rober is 26 October 2026. Counts are updated regularly, and a missing new reading keeps the previous date rather than inventing one. Put that date next to the number if you quote it. The schedule is on the methodology page.

Should a brand hire Mark Rober for an education campaign in USA?

Mark Rober is tagged Education, USA in the directory, so that is the audience a brand can start from. The tag is a filing label, not a sales result, so watch a recent post before you brief anyone. Then compare a few others with the same tag on the Education list.

What is Mark Rober's largest platform?

YouTube is the largest stored audience on this profile, at about 84.7M. The combined total adds the other networks, so it is not the audience for a single post. Check the split before you brief a different platform. More YouTube creators are on the YouTube page.

Will Mark Rober promote my brand?

You can ask. Send a brief from the collaboration form on this profile with the product, the deliverable and your dates, and the CreatorFanBase team reaches out to Mark Rober and negotiates for you. Audiences respond best when the product fits what the creator already posts, so pitch a format that matches recent posts. Mark Rober decides whether to accept. See the managed option on pricing.

How much does a YouTube video from Mark Rober cost?

Our planning estimate for one sponsored post from Mark Rober is $120K+. Stories usually cost less than a feed post or reel, and usage rights, exclusivity and extra posts raise the fee. It is an estimate, not a quote — Mark Rober sets the real rate. The method is on the methodology page.

Who are the best education influencers in USA like Mark Rober?

Mark Rober is one of the Education profiles in USA on CreatorFanBase. Open the Education category and filter by country, language and follower size to see others ranked by audience. Every filter and follower count stays open; names after the first 5 results need a plan.

Where can I hire education influencers in USA?

Start in search with the Education category and USA as the country, then set a follower range that fits the budget. Shortlist a few names like Mark Rober, compare their platform split, and send a brief — or let CFB Agency run outreach and negotiation for you.

Is Mark Rober a good choice for a English-language campaign?

Mark Rober is tagged English on this profile, so a script in English is a natural starting point. Check a recent post to confirm the language mix before you brief. Other English-speaking creators can be filtered in search.

Who manages Mark Rober's brand deals?

We do not publish private management contacts. Use the official links on this profile, or send a brief from the collaboration form and the CreatorFanBase team will reach Mark Rober's team for you and negotiate the deal. Plans and the managed option are on pricing.

What are Mark Rober's official social links?

The official accounts we have for Mark Rober are the links on this profile, starting with YouTube. Use those when you write, and compare the handle with the channel you already know. Or send a brief from the profile and the CreatorFanBase team will reach out and negotiate for you. A wrong link can be flagged on the contact page.

How big is Mark Rober's audience?

YouTube @MarkRober had 84,700,000 subscribers on 26 Oct 2026. Combined across tracked networks: 91,782,670. Mark B. See Mark Rober.

What is Mark Rober known for?

Rober is an American YouTuber, engineer, inventor, and educator. USA; languages English. The profile is Mark Rober.

Which network is largest for Mark Rober?

YouTube, with 84,700,000 subscribers on 26 Oct 2026 under @MarkRober. Combined total: 91,782,670. Compare them on Mark Rober.

Where is Mark Rober listed?

USA is the reference. Languages on the profile: English. YouTube @MarkRober had 84,700,000 subscribers on 26 Oct 2026. See Mark Rober.