How many followers does Costa Samaras have on Bluesky?

Costa Samaras (@costasamaras.com) has 50,512 followers on Bluesky. It gained 3 new followers in the last 7 days. The count is refreshed continuously from the public AT Protocol.

When did Costa Samaras join Bluesky, and how old is the account?

Costa Samaras joined Bluesky in May 2023. The @costasamaras.com account is 3 years old. Searches for Costa Samaras age often mean a personal age, which we do not publish. The figure here is the account age only.

How many posts has Costa Samaras published?

Costa Samaras has published 15,481 posts on Bluesky. That is about 12.3 posts per day over the life of the account.

Is Costa Samaras verified on Bluesky?

Yes. Costa Samaras is verified on Bluesky through the AT Protocol verification system.

Costa Samaras Bluesky Profile Stats

@costasamaras.com

EnglishTier B

View on Bluesky

Account age: 3 years (joined May 2023)

Costa Samaras Bluesky stats, updated continuously. @costasamaras.com has 50,512 followers and 15,481 posts on Bluesky. Account age: 3 years (joined May 2023).

Followers

51K

Growth (7d)

Following

2.4K

Posts

15K~12.3/day

Influence

949

Follower growth

2026-06-10+901 over 129 days2026-10-28

Bio

Climate, energy, emerging tech, resilience, & policy professor. Carnegie Mellon Univ. Institute for Energy Innovation Director. Former Biden-Harris White House OSTP Chief Advisor for the Clean Energy Transition. Personal account. He/Him. costasamaras.com

Notable followers

The biggest accounts in our directory following @costasamaras.com.

derek guy660K Brian Schatz224K Palmer Report181K David_j_roth164K Best of Dying Twitter150K

Check Costa Samaras with free tools

The same checks work on any Bluesky account. Free, no sign-up and no email.

Bluesky Follower Rankthe percentile a follower count sits in Bluesky Post Analyzerwhich posts travelled, and which feature made the difference Bluesky Best Posting Timewhen an account's own posts actually land, as a 7 by 24 heat map Bluesky Trendswhat bluesky is talking about right now, and who is climbing

All free tools Live Bluesky follower count

Creator Rank, our free Chrome extension, shows this account's audience rank and Creator Score next to its name on Bluesky itself.

Costa Samaras on Bluesky - frequently asked questions

How many followers does Costa Samaras have on Bluesky?: Costa Samaras (@costasamaras.com) has 50,512 followers on Bluesky. It gained 3 new followers in the last 7 days. The count is refreshed continuously from the public AT Protocol.
When did Costa Samaras join Bluesky, and how old is the account?: Costa Samaras joined Bluesky in May 2023. The @costasamaras.com account is 3 years old. Searches for Costa Samaras age often mean a personal age, which we do not publish. The figure here is the account age only.
How many posts has Costa Samaras published?: Costa Samaras has published 15,481 posts on Bluesky. That is about 12.3 posts per day over the life of the account.
Is Costa Samaras verified on Bluesky?: Yes. Costa Samaras is verified on Bluesky through the AT Protocol verification system.