Jeff Dean ✓

@JeffDean · joined 22 Sep 2017

Co-founder & CEO of Discovery Loop. Former Chief Scientist, Google. Helped build many Google products, TPUs, Gemini, TensorFlow, MapReduce, Bigtable, ...

519 773Followers

6 439Following

9 517Posts total

19.8MViews on collected posts

Against accounts of the same size

5 posts from the last 90 days, next to the 100K–1M follower range. shown widely, but few of those viewers react.

Median views520 103this account22 159median for 100K–1M

Reach, %100.06%this account6.71%median for 100K–1M

Engagement, %0.39%this account1.18%median for 100K–1M

Metric	This account	Median for 100K–1M	Ratio
Median views per post	520 103	22 159	23.5×
Reach (views ÷ followers)	100.06%	6.71%	14.9×
Engagement rate	0.39%	1.18%	0.33×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

520.1K4 Aug

6.6M5 Aug

11.9M

376.9K11 Aug

392.2K

Last 5 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.47%4 Aug

0.39%5 Aug

0.32%

0.03%11 Aug

0.88%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 100K–1M accounts is 1.18%.

What the audience does

Likes73.5%61 100 in total

Reposts6.1%5 112 in total

Replies2.3%1 932 in total

Quotes2.1%1 763 in total

Bookmarks15.9%13 260 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Latest posts

Indeed, it has been quite a week, so I thought I'd share it with the KDD 2026 audience! For my Google colleagues who might have sent me internal chat messages after I closed my laptop for a final time on Thursday afternoon, I apologize for my lack of response! (Zoomed in) https 392.2K views · 3.2K likes · 110 reposts · 85 replies 11 Aug 2026 Legendary! Thanks for sharing the behind-the-scenes @JeffDean! https://t.co/Dzic1j11Y0 376.9K views · 123 likes · 5 reposts · 0 replies 11 Aug 2026 Tomorrow will be my last day at Google after 27 years, and watching it grow from 25 people to 190,000+ has been an amazing journey. Below is a note I shared with many people internally at Google today. An excerpt is: It has been an absolute pleasure to work with you and to help 11.9M views · 33.8K likes · 2.8K reposts · 849 replies 05 Aug 2026 Announcing Discovery Loop! I am very excited to announce that, along with my longtime friends and collaborators @Sanjay_Ghemawat, @OriolVinyalsML and @quocleix, we are founding Discovery Loop (@DiscoLoopAI), a Public Benefit Corporation whose mission is to automate machine http 6.6M views · 21.7K likes · 2.2K reposts · 898 replies 05 Aug 2026 Oh look! My longtime friend and colleague @Sanjay_Ghemawat is now on Twitter! Give him a follow! 520.1K views · 2.2K likes · 68 reposts · 100 replies 04 Aug 2026 In April, '17, @jsomers of @NewYorker reached out & said he wanted to do a small profile of me & my longtime colleague Sanjay Ghemawat, watch us work for a few hours, maybe dinner, etc. It came out today. I think it captures our working style really well. https://t.co/cR 0 views · 5.9K likes · 1.2K reposts · 406 replies 03 Dec 2018