Catherine Greenhill Add us as a preferred source on Google
🔄 Data last refreshed 25 days ago
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Make a deal with Catherine Greenhill
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
51
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Catherine Greenhill
Known for
6 views
I'm a mathematical artist now! Some really amazing pieces in this exhibition, all available online.
https://math.qc.cuny.edu/made-gallery
3 views
💜💜💜🌈🌈🌈💜💜💜
1 views
The 3rd Queer and Trans Mathematicians in Combinatorics (QTMC) conference starts today at UQ. Hope everyone has an interesting and enjoyable time!
https://queertransmath.com/n/QTMC-2025/
1 views
Happy Wear It Purple Day 💜
📊 Post engagement
Recent posts · likes + reposts
Feb 20latest
5
Avg engagement / post
2–6
Typical post (engagement)
9.8%
Engagement vs followers
62/100
Consistent reach
Dec 2022
On Mastodon since
Half of recent posts land between 2 and 6 likes + reposts (median 4) — a dependable floor a sponsored post can count on.
🔥 Top post: A new group called the Association for Human Mathematics has bee · 15 likes + reposts
📊 Activity & format
Posting cadence
0.09 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 8 text · 4 image · 0 video.
Follower / following
1.4×
Follows 37 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
I support the Leiden Declaration on Artificial Intelligence and Mathematics. Read and sign here: https://leidendeclaration.ai/
"Research suggests girls receive signals from family and the community that it is OK – and even desirable – not to be “a maths person”. On the other hand, boys are more likely to have their mathematical potential recognised and encouraged.…
The 3rd Queer and Trans Mathematicians in Combinatorics (QTMC) conference starts today at UQ. Hope everyone has an interesting and enjoyable time!
https://queertransmath.com/n/QTMC-2025/
Today's date is 2^2 / 3^2 / 45^2 . Enjoy.
Congratulations also to Aidan Sims, who will sign the book to officially become a Fellow of the Australian Academy of Science later today.
https://youtu.be/KROWme5u-zQ?si=yxgbfdBWfDl3bP4a
Congratulations to Jessica Purcell who will sign the book to officially become a Fellow of the Australian Academy of Science later today! https://youtu.be/Qb9tQsEJ2DI?si=L3WoBvZao9Aq0LW0
💜💜💜🌈🌈🌈💜💜💜
I'm a mathematical artist now! Some really amazing pieces in this exhibition, all available online.
https://math.qc.cuny.edu/made-gallery
Mathematicians against the genocide in Gaza: 160 initial signatures and you can add yours.
https://blogs.mediapart.fr/les-invites-de-mediapart/blog/161124/mathematiciens-contre-le-genocide-gaza
Happy Wear It Purple Day 💜
The Simon Marais maths competition, an international competition for university maths students, is looking for a Chief Executive Officer. Applicants must be Australian citizens or able to work in Australia. Closing date for applications is…
The 3rd Queer and Trans Mathematicians in Combinatorics (QTMC) conference starts today at UQ. Hope everyone has an interesting and enjoyable time!
https://queertransmath.com/n/QTMC-2025/
Today's date is 2^2 / 3^2 / 45^2 . Enjoy.
Congratulations also to Aidan Sims, who will sign the book to officially become a Fellow of the Australian Academy of Science later today.
https://youtu.be/KROWme5u-zQ?si=yxgbfdBWfDl3bP4a
Congratulations to Jessica Purcell who will sign the book to officially become a Fellow of the Australian Academy of Science later today! https://youtu.be/Qb9tQsEJ2DI?si=L3WoBvZao9Aq0LW0
💜💜💜🌈🌈🌈💜💜💜
I'm a mathematical artist now! Some really amazing pieces in this exhibition, all available online.
https://math.qc.cuny.edu/made-gallery
Mathematicians against the genocide in Gaza: 160 initial signatures and you can add yours.
https://blogs.mediapart.fr/les-invites-de-mediapart/blog/161124/mathematiciens-contre-le-genocide-gaza
Happy Wear It Purple Day 💜
The Simon Marais maths competition, an international competition for university maths students, is looking for a Chief Executive Officer. Applicants must be Australian citizens or able to work in Australia. Closing date for applications is…
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Dec 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 5 views per post.
📤Posts about 0.1× per week.
🕵️ Fake follower check
Estimated66/100
Good
Credibility score
89%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 89% real, active audience · Low fake-follower risk.
- Engagement (~9.8% of followers engage each post) is around typical for Mastodon.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Mathematician, mum, vegan. I live, work on Gweagal, Bedegal land. Australia tortures refugees. She/her.
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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