Ramkumar @Ramlearn

Joined September 2026

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Our World in Data is a free, nonprofit website with a mission to increase understanding of the world’s largest problems and drive informed action to solve them.

Our World in Data @OurWorldInData

310K Followers 21 Following Our World in Data is a free, nonprofit website with a mission to increase understanding of the world’s largest problems and drive informed action to solve them.

James Clear @JamesClear

1.4M Followers 1 Following Author of the #1 NYT bestseller Atomic Habits (https://t.co/aWrO9DWkH5). I write about building good habits. Over 3 million people read my 3-2-1 newsletter.

All about the skin. #DermNet provides information on #skin conditions to over 1.2 million #HCPs each month: #FOAMed. #Dermatology #Dermatologist

DermNet @dermnetnz

6K Followers 926 Following All about the skin. #DermNet provides information on #skin conditions to over 1.2 million #HCPs each month: #FOAMed. #Dermatology #Dermatologist

American Academy of Dermatology: the largest, most influential group of dermatologists in the US. Offers tips on keeping skin, hair and nails healthy.

AAD @AADskin

34K Followers 1K Following American Academy of Dermatology: the largest, most influential group of dermatologists in the US. Offers tips on keeping skin, hair and nails healthy.

Examine.com @Examinecom

30K Followers 15 Following Examine analyzes and summarizes the latest scientific research to help you be healthier.

Doctor Aaron Horschig’s guide to help athletes move better, eliminate pain, & optimize performance.🏋🏼‍♀️
My Injury Fix Book ‘Rebuilding Milo’👇🏼

Squat University @SquatUniversity

867K Followers 6K Following Doctor Aaron Horschig’s guide to help athletes move better, eliminate pain, & optimize performance.🏋🏼‍♀️ My Injury Fix Book ‘Rebuilding Milo’👇🏼

Brad Schoenfeld, PhD @BradSchoenfeld

99K Followers 50 Following Researcher/educator on muscle building and fat loss. Author: "The MAX Muscle Plan" & "Science and Development of Muscle Hypertrophy." https://t.co/ye3quvBlEy

Jeff Nippard @JeffNippard

221K Followers 449 Following Science-based bodybuilding 💪🏼

We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10

OWASP® Foundation @owasp

219K Followers 526 Following We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10

LeetCode @LeetCode

72K Followers 0 Following Think Sharper. Code Better.

Docker @Docker

558K Followers 3K Following Docker securely contains autonomous agents so you can confidently build, ship, and run on trust.

Kubernetes @kubernetesio

328K Followers 86 Following #Kubernetes: open source production-grade container orchestration management. #CNCF #K8s

Microsoft Developer @msdev

531K Followers 49 Following 👇 Join @GitHub Universe in person or virtually and get your pass today.

Welcome to the new way to cloud.

Qs? ➡️ https://t.co/BFKBu3t6xk
For do-ers & makers ➡️ @GoogleCloudTech

Watch the #GeminiAtWork replay ⬇️

Google Cloud @googlecloud

575K Followers 746 Following Welcome to the new way to cloud. Qs? ➡️ https://t.co/BFKBu3t6xk For do-ers & makers ➡️ @GoogleCloudTech Watch the #GeminiAtWork replay ⬇️

AWS is the world's most comprehensive cloud, enabling organizations to accelerate innovation, reduce costs, and scale more efficiently.

Amazon Web Services @awscloud

2.2M Followers 433 Following AWS is the world's most comprehensive cloud, enabling organizations to accelerate innovation, reduce costs, and scale more efficiently.

We're a community of millions of people who are learning math, programming, and computer science together. A 501(c)(3) public charity. Tweets by @abbeyrenn.

freeCodeCamp.org @freeCodeCamp

1.2M Followers 157 Following We're a community of millions of people who are learning math, programming, and computer science together. A 501(c)(3) public charity. Tweets by @abbeyrenn.

Google for Developers @googledevs

2.6M Followers 315 Following Discover the latest developer tools, resources, events, and announcements to help you build smarter, ship faster. 🚀

GitHub Education @GitHubEducation

82K Followers 353 Following Bringing GitHub to learners and educators 🌐

GitHub @github

2.7M Followers 334 Following The AI-powered developer platform to build, scale, and deliver secure software.

The Pragmatic Enginee... @Pragmatic_Eng

52K Followers 4 Following Big Tech and startups, from the inside. The #1 technology newsletter on Substack. Sign up at https://t.co/MPNdQSVnwV. Podcast: https://t.co/nVOulBGYoh

Shawn Zhang 章闻韶 @shawnwzhang

20K Followers 1K Following

Gergely Orosz @GergelyOrosz

364K Followers 3K Following Writing @Pragmatic_Eng, the #1 software engineering newsletter on Substack. Author of @EngGuidebook. Formerly Uber & Skype.

Parsing the world's hardest PDFs @llama_index. cofounder/CEO

LlamaParse: https://t.co/XYZmx5TFz8
Enterprise: https://t.co/Ht5jwxSrQB

Jerry Liu @jerryjliu0

87K Followers 2K Following Parsing the world's hardest PDFs @llama_index. cofounder/CEO LlamaParse: https://t.co/XYZmx5TFz8 Enterprise: https://t.co/Ht5jwxSrQB

Harrison Chase @hwchase17

137K Followers 600 Following @LangChain Always hiring: https://t.co/D5Ut3loFO7

Turn any doc into AI-ready context. The AI research lab for document parsing and extraction. Developer-first APIs.

LlamaParse: https://t.co/yQGTiRSfFL

LlamaIndex 🦙 @llama_index

122K Followers 39 Following Turn any doc into AI-ready context. The AI research lab for document parsing and extraction. Developer-first APIs. LlamaParse: https://t.co/yQGTiRSfFL

LangChain @LangChain

272K Followers 206 Following Own your intelligence. Makers of LangSmith, @LangChain_OSS, and @LangChain_JS.

Ohio lobbying & government relations firm bridging state + federal policy for businesses & associations. @cmhawley_1324 @troy_judy @HunterWright_II

The Batchelder Compan... @TheBatchCo

982 Followers 1K Following Ohio lobbying & government relations firm bridging state + federal policy for businesses & associations. @cmhawley_1324 @troy_judy @HunterWright_II

News from https://t.co/enurGFxpcS, a free distribution service and an open archive for scholarly articles.

For help with arXiv, see https://t.co/LcWuhM0BOl

arXiv.org @arxiv

56K Followers 184 Following News from https://t.co/enurGFxpcS, a free distribution service and an open archive for scholarly articles. For help with arXiv, see https://t.co/LcWuhM0BOl

AI at Meta @AIatMeta

875K Followers 369 Following We're building the future of personal superintelligence to help people create, connect, and achieve more in life.

Building a new class of safer, more capable AI systems we call Humanist Superintelligence: AI that is always aligned, controllable, and in service of humanity.

Microsoft AI @MicrosoftAI

22K Followers 19 Following Building a new class of safer, more capable AI systems we call Humanist Superintelligence: AI that is always aligned, controllable, and in service of humanity.

The engine room of @Google. Building AI safely and responsibly to solve the world’s most complex problems. Join us: https://t.co/jUHQA27iBL

Google DeepMind @GoogleDeepMind

1.6M Followers 268 Following The engine room of @Google. Building AI safely and responsibly to solve the world’s most complex problems. Join us: https://t.co/jUHQA27iBL

DeepLearning.AI @DeepLearningAI

355K Followers 113 Following We are an education technology company with the mission to grow and connect the global AI community.

NVIDIA AI @NVIDIAAI

356K Followers 900 Following Teaching your AI new tricks.

Hugging Face @huggingface

829K Followers 227 Following The AI community building the future. https://t.co/TpiXQMQ9rZ

Google AI @GoogleAI

2.5M Followers 30 Following Making AI helpful for everyone. Show thinking ↓

We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.

Anthropic @AnthropicAI

1.8M Followers 2 Following We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.

OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA

OpenAI @OpenAI

5.5M Followers 4 Following OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA

AK @_akhaliq

536K Followers 3K Following AI research paper tweets, ML @Gradio (acq. by @HuggingFace 🤗) dm for promo ,submit papers here: https://t.co/UzmYN5XOCi

@aisysbooks @goodailist
AI Engineering: https://t.co/94dv4uTU1H
Designing MLSys: https://t.co/G81hL2dWmr
Reading @chipslib

Chip Huyen @chipro

156K Followers 738 Following @aisysbooks @goodailist AI Engineering: https://t.co/94dv4uTU1H Designing MLSys: https://t.co/G81hL2dWmr Reading @chipslib

Hamel Husain @HamelHusain

64K Followers 3K Following Evals Evals Evals @OpenAI About Me: https://t.co/P6WyeKkyTa

Professor @Wharton studying AI.
New book, Co-Existence, is out now: https://t.co/hsDYf1xU9K
My Substack: https://t.co/UIBhxu4bgq

Ethan Mollick @emollick

409K Followers 594 Following Professor @Wharton studying AI. New book, Co-Existence, is out now: https://t.co/hsDYf1xU9K My Substack: https://t.co/UIBhxu4bgq

Founder/Chair, AMI Labs; Professor, NYU; Partner, 224 Ventures; Ex-Chief AI Scientist, Meta.
Researcher in AI, ML, Robotics, etc.
ACM Turing Award Laureate.

Yann LeCun @ylecun

1.3M Followers 799 Following Founder/Chair, AMI Labs; Professor, NYU; Partner, 224 Ventures; Ex-Chief AI Scientist, Meta. Researcher in AI, ML, Robotics, etc. ACM Turing Award Laureate.

Sam Altman @sama

6.4M Followers 1K Following The mission of OpenAI is to ensure that AGI benefits all of humanity

Co-Founder of Coursera; Stanford CS adjunct faculty. Former head of Baidu AI Group/Google Brain. #ai #machinelearning, #deeplearning #MOOCs

Andrew Ng @AndrewYNg

1.9M Followers 1K Following Co-Founder of Coursera; Stanford CS adjunct faculty. Former head of Baidu AI Group/Google Brain. #ai #machinelearning, #deeplearning #MOOCs

Sebastian Raschka @rasbt

532K Followers 1K Following ML/AI research engineer. Ex stats professor. Author of "Build a Large Language Model From Scratch" (https://t.co/O8LAAMRzzW) & reasoning (https://t.co/5TueQKx2Fk)

Creator @datasetteproj, co-creator Django. PSF board. Hangs out with @natbat. He/Him. Mastodon: https://t.co/t0MrmnJW0K Bsky: https://t.co/OnWIyhX4CH

Simon Willison @simonw

245K Followers 6K Following Creator @datasetteproj, co-creator Django. PSF board. Hangs out with @natbat. He/Him. Mastodon: https://t.co/t0MrmnJW0K Bsky: https://t.co/OnWIyhX4CH

Andrej Karpathy @karpathy

4.4M Followers 1K Following

Al Transformation @realfastai. redpill enjoyer.
last exit to gojek, seen seed to $28B ipo journey from the inside.

always joking here.

🖖🕉️✨λ h+🦾👾

Sidu Ponnappa @ponnappa

310K Followers 1K Following Al Transformation @realfastai. redpill enjoyer. last exit to gojek, seen seed to $28B ipo journey from the inside. always joking here. 🖖🕉️✨λ h+🦾👾

MD & CEO @edelweissmf, Author, Shark, Mom. Money without jargon, life without boxes, saree over suits. Mango 🥭 dreamer, always building.

Radhika Gupta @iRadhikaGupta

499K Followers 635 Following MD & CEO @edelweissmf, Author, Shark, Mom. Money without jargon, life without boxes, saree over suits. Mango 🥭 dreamer, always building.