Julian Green

@juliangreensf

CoFounder/CEO @GoHeadroom, Jetpac (Webby 2014), Houzz. Former StubHub, ProStores, eBay, IronPlanet, Fatbrain. My wife, swimming between countries, rugby.

San Francisco

Joined April 2010

961Following

2KFollowers

Julian Green Retweeted

Kevin Peterson@kevinmpeterson1 · Jul 16

Very excited to share what I've been up to for the past year! At @BedrockRobotics we're building autonomy for heavy equipment, starting with construction. Construction is one of the few sectors of the economy that hasn't scaled productivity with tech. We're fixing that! 🔗 in 🧵

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Julian Green@juliangreensf · Jul 13

Brightband in this NYT article about Windborne and NOAA by @TimFernholz nytimes.com/2025/07/13/bus… @brightbandtech @WindBorneWx @NOAA @nytimes

juliangreensf's tweet card. Thanks to A.I., companies like WindBorne hope to usher in a golden age of forecasting. But they rely in part on government data — and the agency that provides it is in turmoil.

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Julian Green@juliangreensf · Jul 11

we can now fit more oranges in boxes in multiple dimensions quantamagazine.org/new-sphere-pac… @QuantaMagazine

Julian Green@juliangreensf · May 20

Great @FT article on how AI is changing weather. Nice to see Brightband mentioned as one of the tech startups building AI weather tools ft.com/content/a1b6ab… @brightbandtech by @clivecookson and @Mikepeeljourno

juliangreensf's tweet card. Rapidly advancing technology is helping meteorologists to make more accurate and detailed forecasts even further into the future

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Julian Green@juliangreensf · May 6

An honor for @brightbandtech to be chosen by @Google to be in their AI for Nature Accelerator. brightband.com/blog/ai-for-na… @GoogleStartups

juliangreensf's tweet card. We are thrilled to announce that Brightband has been selected to join the first-ever Google for Startups Accelerator: AI for Nature cohort.

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Julian Green@juliangreensf · Jan 14

Brightband announced AIDA - AI Data Assimliation - today at AMS. Estimates current weather directly from observations, enabling operational end-to-end forecasting for the first time, enabling more accurate weather, faster. brightband.com/blog/aida @brightbandtech #ams2025

juliangreensf's tweet card. Brightband has developed an AI Data Assimilation system, AIDA, that we believe is a significant step forward for AI weather prediction

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Julian Green@juliangreensf · Jan 13

Even bad weather could only delay, not stop, our Brightband shirts from getting to the @ametsoc conference #AMS2025 @brightbandtech

juliangreensf's tweet image. Even bad weather could only delay, not stop, our Brightband shirts from getting to the @ametsoc conference #AMS2025 @brightbandtech

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Julian Green@juliangreensf · Jan 13

Brightband released NNJA-AI at AMS today - a large Weather Observational Dataset we hope spurs innovation in AI Forecasting from Observations. It makes NOAA/NASA data AI-ready as part of Brightband's Partnership with NOAA brightband.com/blog/nnja-ai-l… @brightbandtech

juliangreensf's tweet card. Brightband launches an observational dataset tailored for AI modeling.

Julian Green@juliangreensf · Jan 13

Brightband released "Extreme Weather Bench" at the American Meteorological Society conference today - a benchmark for verifying performance of forecasting models (traditional and AI) on extreme weather events. Download code here brightband.com/blog/extreme-w… @brightbandtech

juliangreensf's tweet card. Extreme Weather Bench is a community-built open source benchmarking suite for AI and traditional model verification

Julian Green@juliangreensf · Jan 12

Brightband is Partnering with NOAA: National Oceanic & Atmospheric Administration to make NOAA and NASA observational data cloud-ready and AI-ready. brightband.com/blog/partnersh… @brightbandtech @NOAA @NASA @danrothenberg

juliangreensf's tweet card. Brightband has signed a Cooperative Research And Development Agreement (CRADA) Partnership with the National Oceanic and Atmospheric Administration (NOAA).

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Julian Green@juliangreensf · Jan 12

I'm with the rest of the Brightband team at the American Meterological Society (AMS) in New Orleans. Come to hear one of our 3 talks, on AI weather forecasting tools - data, models and metrics, or just say hi. brightband.com/blog/brightban… @brightbandtech

juliangreensf's tweet card. The Brightband team is heading to AMS 2025 in New Orleans next week.

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Julian Green@juliangreensf · Dec 18

The NeurIPS Class of 2024: Leading Research Institutions huggingface.co/spaces/hugging…

Julian Green Retweeted

Weights & Biases@weights_biases · Nov 26

We just dropped the latest episode of #GradientDissent with @juliangreensf and @l2k discussing AI’s role in weather forecasting. They dive into: 📊 The shift from physics-based to AI-driven weather models 🌍 Democratizing forecasting for better climate solutions 🌪️ How AI…

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Julian Green@juliangreensf · Nov 15

AI Grannybot built to waste phone scammers' time gizmodo.com/telecom-builds…

juliangreensf's tweet card. Called Daisy, or "dAIsy," the voice-based AI mimics a senior citizen to hold meandering conversations with phone scammers.

Julian Green@juliangreensf · Nov 1

Nice job on most female startup founders for a European business school @INSEAD pitchbook.com/news/articles/…

Julian Green@juliangreensf · Nov 1

Nice job on most female startup founders in Europe @UniofOxford pitchbook.com/news/articles/… @jamescthorne @PitchBook

Julian Green@juliangreensf · Nov 1

Nice job on most female startup founders @UCBerkeley pitchbook.com/news/articles/… @jamescthorne @PitchBook

juliangreensf's tweet card. Female startup founders face well-documented challenges in their entrepreneurial journeys, and attending a university with a strong network of venture-backed founders is one strategy to improve the...

Julian Green Retweeted

Tomer Burg@burgwx · Oct 8

Hurricane Milton's intensification rate is among the fastest in the satellite era records (1980-present) for a 24-hour window (80kt/24hr), and tied for the fastest for a 42, 48 and 54 hour window:

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