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⭐8.8M influencer listings 🏢98K sponsor listings 🌍120.1B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🦋4M Bluesky creators 🎙️1.4M podcast creators 🟣1.3M Twitch creators 📈718.9K Pinterest creators 🥊312.4K Kick creators 261.7K YouTube creators 𝕏254.3K X creators 🐘248.2K Mastodon creators 🎵136.2K TikTok creators ✈️107.4K Telegram creators 🎮14K Discord creators 📈10.7K Substack creators 🎬4.6K Rumble creators 🧵3.6K Threads creators ⭐8.8M influencer listings 🏢98K sponsor listings 🌍120.1B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🦋4M Bluesky creators 🎙️1.4M podcast creators 🟣1.3M Twitch creators 📈718.9K Pinterest creators 🥊312.4K Kick creators 261.7K YouTube creators 𝕏254.3K X creators 🐘248.2K Mastodon creators 🎵136.2K TikTok creators ✈️107.4K Telegram creators 🎮14K Discord creators 📈10.7K Substack creators 🎬4.6K Rumble creators 🧵3.6K Threads creators
Ken Caldeira

Ken Caldeira Add us as a preferred source on Google

Bluesky @kencaldeira.com
⚔ Compare ☆ Follow Own this channel?
🔄 Data last refreshed 2 months ago
🤝

Make a deal with Ken Caldeira

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

📣Sponsored postOne post with your link and message, clearly disclosed. $158→ 🧵Sponsored threadA 3–5 post storytelling thread — Bluesky rewards substance over one-liners. $395→ 📌Pinned sponsored postA sponsored post pinned to the top of my profile for the month. $474/mo→ 🔗Link-in-bio placementYour link in my bio for the month. $237/mo→ 🔁Repost packageI repost your account's posts through the month — distribution with zero content lift. $316/mo→ ⭐Starter-pack placementYour account included in my starter pack — new users follow the whole pack, so this drives followers for as long as it lasts. $316/mo→ 🎁Giveaway postYou supply the prize — I run the giveaway post and pick winners. $126→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Authenticity is the ad here. $190→ 🤝Mutual shoutout collabWe shout each other out — a value swap between accounts. Swap or paid→ 🎬UGC HireBranded content for your own channels & ads from $70→ 🎙️Podcast guest spotInvite Ken Caldeira onto your podcast (~45 min, remote) $82→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
19.8K
Account age
2 yrs
🎁 Free analysisfor Ken Caldeira
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

Does anyone have informed perspectives on this paper? Seems important if true, important to refute if false. "Our results provide the first observational evidence that low clouds have partially offset recent warming, ... " agupubs.onlinelibrary.wiley.com/doi/10.1029/...29 views Does anyone have informed perspectives on this paper? Seems important if true, important to refute if false. "Our results provide the first observational evidence that low clouds have partially offset recent warming, ... " agupubs.onlinelibrary.wiley.com/doi/10.1029/... If the main barrier to implementing good policy is not an information deficit, but rather that individual incentives are not aligned with global well-being, what are appropriate roles for academic researchers? How can information provision help to align individual incentives with global well-being?10 views If the main barrier to implementing good policy is not an information deficit, but rather that individual incentives are not aligned with global well-being, what are appropriate roles for academic researchers? How can information provision help to align individual incentives with global well-being? This is a little niche, but here is a chart of the ranking points of the top-ranking WTA tennis player over the past decade.2 views This is a little niche, but here is a chart of the ranking points of the top-ranking WTA tennis player over the past decade.

📊 Post engagement

Recent posts · likes + reposts
Jul 21latest
17
Avg engagement / post
6–20
Typical post (engagement)
0.1%
Engagement vs followers
48/100
Variable reach
Nov 2023
On Bluesky since
Half of recent posts land between 6 and 20 likes + reposts (median 12) — reach is spiky, driven by the occasional post that pops.

🔥 Top post: This is amazing. Hard to believe that this can be a cost effect · 77 likes + reposts

📊 Activity & format

Posting cadence
7.7 / week
Posts daily — consistently active for a campaign window.
Content mix
Mostly text
Recent: 9 text · 3 image · 0 video.
Follower / following
4.9×
Follows 4K back. A more reciprocal / networked account.

Recent posts

View on Bluesky ↗
🔥 Top post This is amazing. Hard to believe that this can be a cost effective way to reduce net CO2 emissions but more power to them if they are right. At least it makes geochemical sense, which is a bar some other efforts have not risen to. timesofindia.indiatimes.com/science/sing... … ★ 77
The Department of Justice and the White House are engaged in a criminal conspiracy to obstruct justice. I hope this is prosecutable under state law. www.theguardian.com/us-news/2026... ★ 20 Another example of what happens when criminals run the justice system. These people must be brought to justice, and if not justice, at least a "truth and reconciliation" commission. It is not just the leadership, it is also the facilitat… ★ 6 AMOC run amuck? Are you studying effects of an AMOC slowdown, what might happen if it slows down, or what we might do about it? If so, please submit an abstract to session GC016 at the 2026 Fall AGU Meeting in San Francisco. agu.confex.… ★ 12 My latest soundtrack for a Yann Le Bihan Mandelbrot zoom video. youtu.be/LMquYZdo48k?... ★ 1 Heritage Foundation government relations director Wingate arrested at Senate office buulding for firearms violation and possession of cocaine and fentanyl. The New York Times thinks this news is not fit to print. www.independent.co.uk/ne… ★ 24 Does anyone have informed perspectives on this paper? Seems important if true, important to refute if false. "Our results provide the first observational evidence that low clouds have partially offset recent warming, ... " agupubs.onlin… ★ 29 If the main barrier to implementing good policy is not an information deficit, but rather that individual incentives are not aligned with global well-being, what are appropriate roles for academic researchers? How can information provisio… ★ 10 This is a little niche, but here is a chart of the ranking points of the top-ranking WTA tennis player over the past decade. ★ 2 Trump has never met a bone-saw murderer he couldn't do business with. #khashoggi www.theguardian.com/world/2026/j... ★ 14 When tech tycoons control our access to information ... theintercept.com/2026/07/20/g... ★ 5 Freedom of speech is something Republicans favor, if it is speech that is helpful to their goals. www.insidehighered.com/news/faculty... ★ 6

🦋 Handle & authenticity

✅ Domain-verified
@kencaldeira.com
The handle is the domain kencaldeira.com. On Bluesky a domain handle proves the owner controls that website — so this is verifiably the real kencaldeira.com account, not an impersonator.
On Bluesky since
Nov 2023
An early adopter from the invite-only beta (before the Feb 2024 public launch) — an original, established account.

💡 Facts

🗓️Joined Bluesky in 2023 — 2 years ago.
👁️Averages 17 views per post.
📤Posts about 7.7× per week.
🏅Earned the 10K Followers for passing 10K followers.

🕵️ Fake follower check

Estimated
61/100
Fair Credibility score
84%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 84% real, active audience · Low fake-follower risk.
  • Engagement (~0.1% of followers engage each post) is around typical for Bluesky.

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

About

Mostly mentoring a group of postdocs at Stanford. Senior Scientist at Gates Ventures. climate / energy / etc https://sustainablesolutions.stanford.edu/people/ken-caldeira Posts imperfectly represent the views of my former self and not my employer.

📸 Gallery

Does anyone have informed perspectives on this paper? Seems important if true, important to refute if false. "Our results provide the first observational evidence that low clouds have partially offset recent warming, ... " agupubs.onlinelibrary.wiley.com/doi/10.1029/... If the main barrier to implementing good policy is not an information deficit, but rather that individual incentives are not aligned with global well-being, what are appropriate roles for academic researchers? How can information provision help to align individual incentives with global well-being? This is a little niche, but here is a chart of the ranking points of the top-ranking WTA tennis player over the past decade.

🔀 Audience overlap

Estimated

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

bjhnsn.bsky.social bjhnsn.bsky.social 18% Anti-Trumpism Anti-Trumpism 11% Zaddy Matty Zaddy Matty 11% Steve’s Jock Steve’s Jock 11% SavvyTruffle 🎓🍄 ¯\_(ツ)_/¯ 👨‍👩‍👦🐕😎📖🖋💊🎸🚴〽🏈☮💙 SavvyTruffle 🎓🍄 ¯\_(ツ)_/¯ 👨‍👩‍👦🐕😎📖🖋💊🎸🚴〽🏈☮💙 10% Marilyn J-W Marilyn J-W 10%

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Frequently asked questions

How much does Ken Caldeira charge for a sponsorship?
Ken Caldeira 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 Ken Caldeira for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Ken Caldeira, 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 Ken Caldeira have?
Ken Caldeira has 19,789 followers on Bluesky.

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