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First partner to exceptional teams everywhere.

Joined April 2009
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"You have to put yourself in a position where you can fail... otherwise there's no way for you to actually reach your potential. " @amitku shares his thoughts on entrepreneurship with students @UCBerkeley SCET @SutardjaCenter.
“Greatness is on the other side of failure.” Recwntly at SCET Newton Series, Kaizen @thekaizenlabs CEO Nikhil Reddy @bignikhilreddy & Accel @Accel Partner Amit Kumar discuss embracing failure & staying true to your conviction. Full video: na2.hubs.ly/H08Bljr0 #ucberkeley
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Today, Cognition is acquiring @corridor. Securing the world’s software is the most important problem in technology today. Let’s get to work!
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Businesses and people depend on security more every year, and the cost of getting it wrong keeps rising. Some of the most important work in this space is happening at @1Password, @Cyera, @Vega, @Armadin, @ProphetSec, @Tailscale and @Tines. Congratulations on being named to the @FortuneMagazine Cyber 60.
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Rolling out new voice mode for all Pro and Max users, on web and Mac apps. Allows you to basically talk to your computer to get parallel work streams done.
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A voice agent is only as good as how it sounds in real conversation. @AssemblyAI launched AssemblyAI-TTS-1, a text-to-speech model built for voice agents. Great conversation with @YouveGotFox and @LubaYudasina.
New pod drop!! Loved meeting Dylan Fox (@YouveGotFox), founder and CEO of @AssemblyAI. He’s one of the calmest founders I’ve met: nine years in, 100M API calls a day, and he still calls the whole thing “fun.” @AssemblyAI also just announced AssemblyAI-TTS-1, a text-to-speech model built for voice agents. As someone who prefers talking to writing, I’m really excited for this launch. We talk about: Five years without a market → Series A in 2022 -Why the last 10% of an AI product is the whole product -Target furniture as a risk strategy -“Everyone’s still just figuring it out” -180% net dollar retention with zero contracts -Married to a founder whose company took off while his didn’t -Why he deleted X in 2023 (I think he’s back tho) -“I’m just a builder” and so much more! Timestamps (00:00) Trailer (01:16) Dylan Fox, Founder & CEO, AssemblyAI (01:46) YC's first AI batch and five years to a Series A (05:49) Granola, Tolan and the voice agents built on AssemblyAI (07:27) Why the last 10% of an AI product creates product market fit (09:43) 180% net dollar retention with zero committed contracts (14:04) Field sales techs earning $20K more commission with voice AI (17:47) Voice as the primary interface to all hardware and software (24:42) Teaching himself to code to build a DoorDash for toiletries (29:17) Rejected by Twilio, hired by Cisco (33:07) The Amazon Echo that started AssemblyAI (40:56) Applying to YC a month late with no co-founder (45:01) How Daniel Gross got him into YC (1:01:30) Scaling up too early and resetting go-to-market (1:07:21) Leaning on Accel, Insight and founders from Synthesia and Pinecone (1:14:19) Why he quit X (1:15:10) Outro
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New pod drop!! Loved meeting Dylan Fox (@YouveGotFox), founder and CEO of @AssemblyAI. He’s one of the calmest founders I’ve met: nine years in, 100M API calls a day, and he still calls the whole thing “fun.” @AssemblyAI also just announced AssemblyAI-TTS-1, a text-to-speech model built for voice agents. As someone who prefers talking to writing, I’m really excited for this launch. We talk about: Five years without a market → Series A in 2022 -Why the last 10% of an AI product is the whole product -Target furniture as a risk strategy -“Everyone’s still just figuring it out” -180% net dollar retention with zero contracts -Married to a founder whose company took off while his didn’t -Why he deleted X in 2023 (I think he’s back tho) -“I’m just a builder” and so much more! Timestamps (00:00) Trailer (01:16) Dylan Fox, Founder & CEO, AssemblyAI (01:46) YC's first AI batch and five years to a Series A (05:49) Granola, Tolan and the voice agents built on AssemblyAI (07:27) Why the last 10% of an AI product creates product market fit (09:43) 180% net dollar retention with zero committed contracts (14:04) Field sales techs earning $20K more commission with voice AI (17:47) Voice as the primary interface to all hardware and software (24:42) Teaching himself to code to build a DoorDash for toiletries (29:17) Rejected by Twilio, hired by Cisco (33:07) The Amazon Echo that started AssemblyAI (40:56) Applying to YC a month late with no co-founder (45:01) How Daniel Gross got him into YC (1:01:30) Scaling up too early and resetting go-to-market (1:07:21) Leaning on Accel, Insight and founders from Synthesia and Pinecone (1:14:19) Why he quit X (1:15:10) Outro
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Accel retweeted
.@WeAreLegora runs 2,000 agent evals in parallel on Modal Sandboxes, testing a legal agent that works for hours across thousands of documents. Every run boots the entire application, pinned to a specific commit, so engineers can measure the impact of their changes in a realistic environment.
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NEWS: Scale is open for business in the UAE! Today at the Dubai AI Festival, we launched Scale AI in the UAE. Between this launch and our partnership with @PresightAI, we’re moving quickly to support the UAE’s national investment in AI.  Our role in this part of the world is to help these institutions put their strategy into practice by standing up AI that works reliably in Arabic, meets local governance requirements, and keeps people in control. Our UAE team is based at the Dubai International Finance Center - thank you to the @DIFC for the warm welcome. We’re excited to be part of UAE’s dynamic AI industry. lnkd.in/ghsYXmF3
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We are entering a new dark age of cybersecurity. Devin is here to help. Introducing the new Devin Security: powered by Claude Mythos and frontier cyber models, plus hundreds of millions of dollars of credits to help teams find, prioritize, and fix urgent vulnerabilities.
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"You need to be looking at your watch, not a calendar." CrowdStrike CEO @George_Kurtz joins @CNBC to discuss critical PHP vulnerabilities, AI-powered threats, and why defenders must fight AI with AI. 🔗 crwdstr.ke/6017BHbWMb
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Eight years after we first met, @zetwerk lists today. In 2018, almost everyone said big companies would never buy from small workshops. @acharyaamrit, @srinathramki, Ankit, Vishal, and Rahul built it with a clear vision to own quality and delivery. Today, a company built for small Indian workshops makes for buyers around the world, from factories in four countries. And the founders taught me more than I could imagine when we first signed the term sheet. Thank you for making @AccelIndia a part of your special journey. Here’s to your next chapter! accel.com/news/zetwerk-s-ipo…
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Today, @zetwerk goes public. A group of friends and former colleagues set out to prove that a workshop in a small town could earn the trust of the world's largest companies. 26 factories in four countries later, it has. #AccelFamily • @prayanks • @acharyaamrit • @srinathramki
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Adding to the intense drumbeat of critical cyber issues announced this week.
As part of our Open Defense Initiative, we used dfs-large1 from @depthfirstlabs to uncover two memory corruption bugs and a sandbox escape in Chrome’s V8 JavaScript engine. One bug had been present for more than eight years. We combined each memory corruption bug with the sandbox escape to build two separate exploit chains and won 2 v8ctf slots!
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Today we announce 1Password for Agents platform, building with companies @Muse, SpaceX Super Intelligence Grok @Bot, @AnthropicAI’s @Claudeai, @OpenAI, @TownAI, @Browserbase, @Browser_use, @heydana_ai, Instinct, @usekernel, @Perplexity_ai, @tryramp, @Tomo, and @wajo_ai, with more integrations on the way. 🎉 We've heard from so many of our customers who want to use these new personal AI agents to help them get more done, but want more control over what the agent can access with the same trust and ease of use they get when using 1Password directly. 1Password for Agents gives your agents access without giving up your passwords. When an agent reaches a sign-in form, it requests a credential from your vault. If you approve the request, 1Password directly auto-fills the credential in the destination site so the agent can’t see or take possession of the credentials. The agent gets the task done, but it doesn’t get your passwords.. You stay in control. 1Password for Agents free and optional for personal and family accounts. Unless you opt-in to an agent connector, agents cannot touch your vault. ➡️Learn more: bit.ly/487da6J
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Accel retweeted
"We had our hands on it, and we called it a crash." Two years before PHP2Shell, Mihail Kirov's @Quarkslab team reported a flaw with the same root cause. It never got fixed. Yesterday and @msuiche spoke on it with @xisabelobrienx at @CNBC. Patch now: PHP 8.2.35 · 8.3.36 · 8.4.27 · 8.5.12 cnbc.com/2026/10/22/php2shel…
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From the start, @MaxJunestrand set out to build the operating system where lawyers and their agents work together. We're proud to continue backing @WeAreLegora as they shape the future of legal work.
We have raised a $550 million Series E at a $8.8B valuation to accelerate our growth in the U.S. and globally, and deepen investment in the Legora aOS, our agentic operating system for legal work. @Atreidesmgmt leads this round, alongside new investors @BaronCapital, @CapitalGroup, @Fidelity, @GladeBrookCap, and @jpmorgan. Every major existing investor is participating. We’re grateful to have partners who share our ambition and our long-term view. We build AI together with the people who use it. That’s always been our approach. Our customers help shape what we build, pushing us to go further on the work that matters. This is the most exciting time in history to be a lawyer, and we’re lucky to be in the middle of it. Read the full release: legora.com/blog/series-e
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Vasu Jakkal joins Armadin as Chief Strategy and Business Officer, bringing two decades of security leadership from Microsoft and FireEye. Read the announcement: armadin.com/blog-posts/armad…
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Accel retweeted
How many AI apps are running in your environment? The honest answer is a guess. New capabilities for the Axonius Asset Cloud: ↳ Shadow AI Discovery: find AI apps in use (generally available) ↳ AI Platforms Inventory: map models, agents, and MCP servers (in preview by the end of January 2027) ↳ AI Application Settings: catch AI policy drift (in preview by the end of January 2027)
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A product can be redesigned in a week. Retooling the line to build it can take far longer. @Arda_Industries is using AI to close that gap. accel.com/news/our-investmen…
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