Pepijn Kooij
🤝
Make a deal with Pepijn Kooij
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
67
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.
📊 Post engagement
2
Avg engagement / post
3%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: A life in pictures: Celebrating Attenborough at 100. As the Brit · 3 likes + reposts
📊 Activity & format
Posting cadence
0.4 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
0.6×
Follows 104 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
New paper out with my collaborators in Costa Rica! Genomes of the ex-type strains of Elsinoë mangiferae and E. perseae, the causal agents of scab on mango and avocado https://academic.oup.com/g3journal/article/doi/10.1093/g3journal/jkag17…
Scientists stunned by ‘fundamentally new way’ life produces DNA | Science | AAAS https://www.science.org/content/article/scientists-stunned-fundamentally-new-way-life-produces-dna #science #DNA #bacteria
At-home brain implant gives man with motor neuron disease his daily life back https://www.nature.com/articles/d41586-026-01863-4 #science #neuralimplants #bionics
Tough peer-review process? Your paper might end up being more highly cited https://www.nature.com/articles/d41586-026-01615-4 #science #peerreview #constructivefeedback
Gender and Geographic Location of Authors Impact Citation Rates of GBE Papers https://academic.oup.com/gbe/article/18/4/evag090/8662986 #science #gendergap #demographicgap
Vaginal bacteria turn newborn skin into a beneficial ‘bioreactor’ | Science | AAAS https://www.science.org/content/article/vaginal-bacteria-turn-newborn-skin-beneficial-bioreactor?utm_source=Live+Audience&utm_campaign=4c2c9885c0-nature-bri…
Mitochondria can spawn new ‘organelles’ — hinting at how modern cells evolved https://www.nature.com/articles/d41586-026-01295-0 #science #evolution #mitochondria #organelles
How the classic computer game Doom became a tool for science https://www.nature.com/articles/d41586-026-00813-4 #science #doom #computergames
Coffee linked to slower brain ageing in study of 130,000 people https://www.nature.com/articles/d41586-026-00409-y #science #coffee #cafeine #dementia
How to lead a journal club you won’t be embarrassed by later https://scientistseessquirrel.wordpress.com/2026/01/13/how-to-lead-a-journal-club-you-wont-be-embarrassed-by-later/ #Criticism #JournalClubs #Writing #science #journalclub #journ…
AI protein-prediction tool AlphaFold3 is now more open https://www.nature.com/articles/d41586-024-03708-4 #science #openscience #reproducibility #alphafold3
🐘 Community & instance
Home server
toot.community
A large general-interest Mastodon server. On the fediverse the server a creator picks hints at their community — this one spans all topics.
On Mastodon since
Nov 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 2 views per post.
📤Posts about 0.4× per week.
🛡️ Audience credibility
80/100
Excellent
- Est. 97% real, active audience · Low fake-follower risk.
- Strong engagement (~3.0% of followers engage each post) — an active, real audience.
- Established account (3+ years old).
Est. authentic audience
97%
Fake-follower risk
Low
Data confidence
High
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Evolutionary biologist working at CEIS/LESF, UNESP - Rio Claro on fungus growing ant mutualism. Studying the evolution of mutualisms and the role of sexuality in mutualism stability. Views are my own.
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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18%
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17%
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16%
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