How many followers does John J. Cullen have on Bluesky?

John J. Cullen (@johncullenocean.bsky.social) has 4,064 followers on Bluesky. The count is refreshed continuously from the public AT Protocol.

When did John J. Cullen join Bluesky, and how old is the account?

John J. Cullen joined Bluesky in October 2023. The @johncullenocean.bsky.social account is 2 years old. Searches for John J. Cullen age often mean a personal age, which we do not publish. The figure here is the account age only.

How many posts has John J. Cullen published?

John J. Cullen has published 24 posts on Bluesky.

Is John J. Cullen verified on Bluesky?

@johncullenocean.bsky.social does not currently show a Bluesky verification. Many real accounts on Bluesky are unverified, since verification is still rolling out.

John J. Cullen Bluesky Profile Stats

@johncullenocean.bsky.social

English EducationTier C

View on Bluesky

Account age: 2 years (joined October 2023)

John J. Cullen Bluesky stats, updated continuously. @johncullenocean.bsky.social has 4,064 followers and 24 posts on Bluesky. Account age: 2 years (joined October 2023).

Followers

4.1K

Growth (7d)

Following

Posts

Influence

Follower growth

2026-06-14-1 over 2 days2026-06-22

Bio

Professor Emeritus in Oceanography, Dalhousie University. 🇨🇦🧪🌊 I've spent a long time trying to understand and explain how the ocean works.

Notable followers

The biggest accounts in our directory following @johncullenocean.bsky.social.

Carbon Brief42K Bruno J. Navarro37K Dave Vetter35K Cranky feminist19K Helen_5Calls.org15K

More Education accounts

Senator Bernie Sanders

@timothysnyder.bsky.social

484K

followers

Paul Krugman

@pkrugman.bsky.social

@shannonrwatts.bsky.social

194K

followers

Stephanie Kennedy

@wordswithsteph.bsky.social

185K

followers

David Shiffman, Ph.D. 🦈

@whysharksmatter.bsky.social

171K

followers

John J. Cullen on Bluesky - frequently asked questions

How many followers does John J. Cullen have on Bluesky?: John J. Cullen (@johncullenocean.bsky.social) has 4,064 followers on Bluesky. The count is refreshed continuously from the public AT Protocol.
When did John J. Cullen join Bluesky, and how old is the account?: John J. Cullen joined Bluesky in October 2023. The @johncullenocean.bsky.social account is 2 years old. Searches for John J. Cullen age often mean a personal age, which we do not publish. The figure here is the account age only.
How many posts has John J. Cullen published?: John J. Cullen has published 24 posts on Bluesky.
Is John J. Cullen verified on Bluesky?: @johncullenocean.bsky.social does not currently show a Bluesky verification. Many real accounts on Bluesky are unverified, since verification is still rolling out.
What does John J. Cullen post about?: John J. Cullen is classified under Education in our directory. Bio: "Professor Emeritus in Oceanography, Dalhousie University. 🇨🇦🧪🌊 I've spent a long time trying to understand and explain how the ocean works.".