Stealth startup founder. Neuroscience PhD from Stanford: silent speech interfaces. GP of Asimov Ventures: 3D printing, robotics, deep tech.

Stanford, CA
Joined June 2009
Our silent speech preprint is live! Using a cross-modal training technique enhanced by LLMs, we set a new state-of-the-art for silent speech (12.2% word error rate, open vocabulary) and brain-to-text (8.9% WER; Rank 1 on Brain-to-Text Benchmark '24) arxiv.org/abs/2403.05583
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Something I struggle with.. disregarding the true plight of the human labor displaced for a moment, isn't the field of Mathematics where papers are published with high velocity and with formal verification strictly superior to the previous paradigm? nytimes.com/2026/10/16/us/ma…
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Turns out the future does have flying cars
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Our house in Toronto had this fancy glassed wine cellar, but we are not big wine drinkers. Anyways, it had good climate control so here is my rack cellar.
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Congrats to @neurable on launching their new headphones! Can’t wait to try them. They look beautiful and I’m impressed by the persistence in making EEG work outside the lab for consumer. neurable.com/blog-posts/neur…
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Andrew Huberman on why Meta, OpenAI, and Anthropic are all going to become biotech companies. "Dario came up through neuroscience. Sam, I've spoken to, is extremely smart about the neuroscience, as is Zuck. The technologists who used to just engineer stuff, they're becoming neuroscientists...and I think most people don't realize that. They will all tell you, 'Okay, here's the goal. The goal is to be able to read and write from your brain non-invasively.' Even just for things like drive and motivation, a non-invasive device where you could literally crank up your level of motivation by stimulating the nucleus accumbens and related pathways while engaging in a particular learning task or in hard work, and then turning it off so that you can capture more energy. That's coming, and those companies are all about that. That's what the real arms race of AI is about."
My conversation with Andrew Huberman (@hubermanlab). I didn't expect us to spend so much time on the frontier of neurotechnology, and how we'll soon be able to precisely measure and change our brain states, both awake and asleep. It was fascinating. Also discuss: - Building and keeping energy - How to downshift and fall asleep quickly - Neuralink and BCI - The state of health media - Following your curiosity This was a fun one. Enjoy! Timestamps: 0:00 Intro 1:00 Building Energy for High Performance 7:00 How to Fall Asleep 18:10 What’s Gone Wrong With Health Optimization 24:10 AI Companies Could Become Biotech Companies 30:45 Implantable Devices 33:45 Memory 42:50 Controlling Your Brain 59:00 Genetic Engineering 1:11:05 The Key to Meaningful Success
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Congrats to @KarlDeisseroth, Peter Hegemann, and Georg Nagel for winning the Nobel Prize. I was in Karl’s lab for five years during my PhD, surrounded by the smartest and most driven people I’ve ever met. I learned so much developing techniques for whole-brain optogenetics
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The big surprise here is how poorly constructed the Nemotron datasets are. Clearly benchmaxxed models
Replying to @WilliamBarrHeld
When ingesting this much data, we want to make sure we don’t accidentally train on test (we’ve unfortunately done it before…)! We filter the entire corpus for any 13-gram overlap with our evals (including our development set evals, since they guide our research decisions!).
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I’d watch this in imax
DuckTales premiered 39 years ago today. I loved that show. Not for the gold. For the idea that adventure meant going somewhere wild with people you love. It was Indiana Jones for kids. Nobody's making the movie, so I made the trailer. Sound on. 🦆
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Sliced my thumb open today. Tendon repair surgery next week. It's forcing me to go all in on Wispr Flow and voice and I love it _My family does not love it_ 😅 I'm very loud and obnoxious 😭 We need a solution for thinking into computers. This is so much better than typing and yet it totally does not work in a world of humans. If we were all yelling at our computers next to each other, the world would be significantly worse and fail Who is working on this problem? I need silent speech
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Thrilled to announce @positron_ai's $875M Series C at a $5B valuation! This round was co-led by @NEA, @Atreidesmgmt (@GavinSBaker), @valor (@AntonioGracias), @AndraCapital, @SemiAnalysis_ Capital (@dylan522p), and Jim Clark (Founder of SGI and Netscape). An incredible group to have backing what we’re building. Also very happy to have strategic backing from VentureTech Alliance, Hudson River Trading, Cisco Investments, and Naver Ventures, alongside continued support from @Arm , @jumptrading , @dfjgrowth, Qatar Investment Authority, and many more. What I’m most excited about is what this lets us do next. We’re deploying more than 50 racks of Atlas at @OracleCloud, and this financing funds our next-generation Asimov chip’s tapeout, the production ramp for Titan, and the manufacturing capacity to meet the demand ahead of us. The goal remains simple: make running AI dramatically cheaper and more energy efficient. A huge thank you to the entire Positron team, especially @mitesh711 and @kmett, our customers, partners, and investors. Building hardware takes an enormous amount of work, and I couldn’t be more proud of this team. We have a lot ahead of us, and I can’t wait to share more.
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Hedge funds will eventually provide inference to model routers for free, or even pay to do so, in order to get a first look at prompt contents. Payment-for-order-flow in the age of compute.
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> The woman, Fiona, is wearing a NEWSOM/CLAUDE 2028 t-shirt; the man, Istvan, a matching VANCE/GROK 2028 one. astralcodexten.com/p/the-foo…
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When is @googlemaps + @Waymo going to roll out a parking spot locator? With the number of Waymos in SF, it feels like the coverage would be high enough to have a useful feature.
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props for open science, but this isn't open-vocab, it's top10 retrieval from a closed set of 512 candidates useful missing control: how well does Llama rank the true next word among those candidates using only the preceding ground-truth text (no EEG at all)?
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Rather than teach students to be self sufficient when cut off from AI, perhaps tests should allow use of AI but get a lot harder. economist.com/graphic-detail…
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If an alien visited earth and asked you: “Show me one chart that sits upstream of everything your species has accomplished or will ever accomplish.” What would you show them? I would show them the chart below. From my perspective, as long as we keep this chart going, we will figure it all out…
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Introducing terminal-code: VS Code inside the terminal - VS Code compatible CLI - works over ssh - syncs with your terminal theme terminal-code.com
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Alibaba's open-weight AI models accumulated 3 billion global downloads in the past 6 months — more than Meta Llama, more than Google Gemma, more than every Chinese domestic competitor combined. The most-downloaded AI on Earth right now was built in China and given away for free. Think about what that means for the next 5 years.
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Agent Agentic Agent reporting for duty
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Fantastic concept for an apartment building in Barcelona by Alihan Dumankaya I have lots of love for pale green tiles and timber shutters!
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