Former NASA engineer turned YouTube educator creating viral science content for 25+ million subscribers
mark-roberConfidence score: 10,482.515
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Canonical presence
1 account resolved · last refreshed 5 days ago
No AI surface evidence yet
AI engine observations have not yet been collected for Mark Rober. Evidence will appear here as data is gathered.
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Triggered when sentiment lean drops more than 10 points week-over-week on any platform.
Example: "Perplexity's tone toward Mark Rober shifted from positive to mixed (-14 lean) over 7 days."
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Example: "Mark Rober now appears as a cited source for 4 new AIO queries in your category."
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Discussion
How the world is talking about Mark Rober right now.
Confirmed across 3 sources · confidence 100% · b. +1980-03-1
Provenance
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Auto-generated Monday morning summary: what moved, why it likely moved, what to do this week. Built from your tracked entity + competitors.
Trending
Weighted composite — technical, content, on-page, schema, performance, GEO, images
Top Recommendations
Experience · Expertise · Authoritativeness · Trustworthiness
How well this site is optimized for AI search engines
AI Crawler Access
⚠ 9 AI crawlers blocked: CCBot, GPTBot, ClaudeBot, Bytespider, ChatGPT-User, anthropic-ai, OAI-SearchBot, PerplexityBot, Google-Extended
Cross-surface coverage from live web index sweeps
Cross-source change detection · last 30 days
No drift events detected — signals are stable across surfaces.
How much of this entity’s declared structured data is actually being cited by AI platforms.
Schema nodes
2
With citations
2
Anchors matched
3/6
Orphan citations
11
Declared schema nodes
Cited but not declared
+6 more
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92%
Share of Voice
80%
Brand Mention Rate
Coverage
18
Total Citations
100%
Domain Citation Rate
85
Authority Score
Mentioned & Cited
Source Divide
29/100
Citation Diversity Index — 4A / 6B / 4C · 4 multi-platform
AI outputs are predominantly positive in framing and tone.
“Mark Rober is a former NASA engineer and current popular YouTuber known for his engaging science and engineering videos.”
“Mark Rober is a former NASA engineer turned YouTube educator and inventor, known for creating engaging science and engineering content.”
“Mark Rober is a former NASA engineer and current popular YouTuber known for his engaging science and engineering videos.”
“Mark Rober is a former NASA engineer turned YouTube educator and inventor, known for creating engaging science and engineering content.”
“Mark Rober is a former NASA/JPL engineer turned full-time YouTuber, inventor, and science communicator.”
“Mark Rober is an American YouTuber, engineer, inventor, and educator known for highly produced science/engineering videos.”
We tried and got nothing — our team has been notified.
“Mark Rober is a former NASA/JPL engineer turned full-time YouTuber, inventor, and science communicator.”
“Mark Rober is an American YouTuber, engineer, inventor, and educator known for highly produced science/engineering videos.”
Blended Entity Core Score
Science educator and YouTube content creator
Mark Rober is a former NASA/JPL engineer who worked on the Mars Curiosity rover for nine years before transitioning to become one of YouTube's most prominent science educators and content creators. With over 24 million subscribers, he creates elaborate engineering projects, viral science experiments…
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American YouTuber and engineer — Person, Thing (score: 10482.5146484375)
Q24088544 — 28 sitelinks, 47 statements
Mark 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 engine…
Sentiment: 0.20 (magnitude: 3.10)
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