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Andrew Jaffe

Andrew Jaffe✓ Add us as a preferred source on Google

Mastodon @jaffe@mastodon.social
⚔ Compare ☆ Follow Own this channel?
🔄 Data last refreshed 2 months ago
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Make a deal with Andrew Jaffe

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards depth over one-liners. $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Authenticity is the only ad this audience tolerates. $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the month. $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month — native and low-key. $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — distribution with zero content lift. $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules and a welcome shout. A goodwill buy that keeps our community running. $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between communities. Swap or paid→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite Andrew Jaffe onto your podcast (~45 min, remote) $26→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
227
Account age
8 yrs
🎁 Free analysisfor Andrew Jaffe
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

This is only of niche interest, but it’s great to be at the Sterrewacht group at the University of Leiden, drinking from an old-school early-90s vintage CITA (Canadian Institute for Theoretical Astrophysics) mug. https://www.universiteitleiden.nl/wiskunde-en-natuurwetenschappen/sterrenkunde1 views This is only of niche interest, but it’s great to be at the Sterrewacht group at the University of Leiden, drinking from an old-school early-90s vintage CITA (Canadian Institute for Theoretical Astrophysics) mug. https://www.universiteitleiden.nl/wiskunde-en-natuurwetenschappen/sterrenkunde

📊 Post engagement

Recent posts · likes + reposts
Jul 2latest
1
Avg engagement / post
1–1
Typical post (engagement)
0.4%
Engagement vs followers
85/100
Very consistent reach
Aug 2018
On Mastodon since
Half of recent posts land between 1 and 1 likes + reposts (median 1) — a dependable floor a sponsored post can count on.

🔥 Top post: This White House paper marks a huge change to US science funding · 2 likes + reposts

📊 Activity & format

Posting cadence
3.8 / week
Posts several times a week.
Content mix
Mostly text
Recent: 10 text · 2 image · 0 video.
Follower / following
1.3×
Follows 181 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post This White House paper marks a huge change to US science funding, trying to pick tech winners, alongside its efforts to align science with its right-wing ideology. For a party supposedly against communism, they are doing their best to reproduce some of the worst excesses of the … ★ 2
This is only of niche interest, but it’s great to be at the Sterrewacht group at the University of Leiden, drinking from an old-school early-90s vintage CITA (Canadian Institute for Theoretical Astrophysics) mug. https://www.universiteitle… ★ 1 UK Science moves from DSIT to DBIST. Should we be worried? (I have no idea.) https://www.sciencemediacentre.org/expert-reaction-to-closure-of-dsit-and-moving-science-into-new-department-for-business-innovation-science-and-trade-the-appoint… Good (depressing) discussion of the effect of the large cuts to the UK’s astrophysics and particle physics programs. (The government’s own “explainer” is not very good…). https://lheurtier.github.io/STFCprio.html ★ 1 Presented at a meeting today: “Remaining challenges are systemic rather than structural.” What does this mean? What My Thirty-Year-Old Algorithm Taught an AI: https://andrewjaffe.net/blog/2026/07/what-my-thirty-year-old-algorithm-taught-an-ai/ ★ 1 Goodyear Blimp over the Royal Albert Hall, London. Fun paper “The Squealer: Sensification of model exploration and model misfit” with new co-authors Andrew Gelman, Eliot Carlson and Philip Greengard, all computational statisticians in the New York area. https://arxiv.org/abs/2606.29842 Heading off on a wild suit chase, somehow involving the exchange of bank details and morning dress in an English pub. Hey Peter, I’m not planning on retiring any time soon! https://telescoper.blog/2026/07/01/remarks-after-dinner/ ★ 1 This meeting has been going on here at Imperial College for a few days. I am humbled and honoured by my friends and colleagues who have come to London. https://www.imperial.ac.uk/events/205637/professor-andrew-jaffe-60th-birthday-conferenc… @atpfm My kids, now 8 and 10, complain “I’m bored” all the time. My wife came up with the excellent rejoinder “Only boring people get bored.”

🐘 Community & instance

Home server
mastodon.social
A large general-interest Mastodon server. On the fediverse the server a creator picks hints at their community — this one spans all topics.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Aug 2018
An OG fediverse account from Mastodon's early years — a long, established presence.

💡 Facts

🗓️Joined Mastodon in 2018 — 8 years ago.
👁️Averages 1 views per post.
📤Posts about 3.8× per week.

🕵️ Fake follower check

Estimated
52/100
Fair Credibility score
76%
Mixed Real audience
Medium Fake-follower risk
High Data confidence
  • Est. 76% real, active audience · Medium fake-follower risk.
  • Low engagement (~0.4% of followers engage each post) — a sign of an inflated or inactive audience.
  • Verified account.
  • Established account (8+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Astrophysics, cosmology, Bayesian inference, parenthood, politics, rock ’n’ roll, and more. Professor at Imperial College. He/him/his.
The Random Universe is published by Yale University Press. https://yalebooks.yale.edu/book/9780300250503/the-random-universe/

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

asha asha 16% Matt Clifton Matt Clifton 15% Damon L. Wakes Damon L. Wakes 14% JURIST JURIST 14% 🚲 murph 🚲 murph 12% Aline M. Dantas, PhD Aline M. Dantas, PhD 10%

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Frequently asked questions

How much does Andrew Jaffe charge for a sponsorship?
Andrew Jaffe hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Andrew Jaffe for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Andrew Jaffe, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does Andrew Jaffe have?
Andrew Jaffe has 227 followers on Mastodon.

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