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VOICE ARCHIVE

David Haber

@dhaber
18 posts
2026-02-11
Great advice for how to get ahead in your job at any large company right now. “I used AI to do this analysis in an hour instead of three days” is going to be the most valuable person in the room. Not eventually. Right now. Learn these tools. Get proficient. Demonstrate what's
2026-02-11 View on X
Matt Shumer

GPT-5.3-Codex and Claude Opus 4.6 can meaningfully contribute to the improvement of AI models, a sign of what's coming for most knowledge work within five years

Think back to February 2020.  —  If you were paying close attention, you might have noticed a few people talking about a virus spreading overseas.

Great advice for how to get ahead in your job at any large company right now. “I used AI to do this analysis in an hour instead of three days” is going to be the most valuable person in the room. Not eventually. Right now. Learn these tools. Get proficient. Demonstrate what's
2026-02-11 View on X
The Decoder

OpenAI updates ChatGPT's deep research tool with GPT-5.2, a full-screen report view, an option to focus research on specific websites, and search interruption

The feature now runs on the new GPT-5.2 model, as OpenAI announced on X. A key addition is that users can connect apps to ChatGPT and—potentially very useful—search specific websit...

Great advice for how to get ahead in your job at any large company right now. “I used AI to do this analysis in an hour instead of three days” is going to be the most valuable person in the room. Not eventually. Right now. Learn these tools. Get proficient. Demonstrate what's
2026-02-11 View on X
Sources

Q&A with Fidji Simo on ChatGPT ads, OpenAI's efforts to ship a new model soon to end Sam Altman's Code Red, Anthropic's Super Bowl ads, Sora, Codex, and more

How ads in ChatGPT will work, what will end the Code Red, those Anthropic attack ads, working with Sam Altman, and much more...

2026-01-20
Amazing profile of @martin_casado, @JenniferHli, and the rest of the a16z Infra team who I'm lucky enough to call partners. 🤩
2026-01-20 View on X
Bloomberg

How a16z found success with 2024's $1.25B AI infrastructure fund, focusing on early funding and the largest investments at ~$60M, as it expands the fund to $3B

2026-01-19
Amazing profile of @martin_casado, @JenniferHli, and the rest of the a16z Infra team who I'm lucky enough to call partners. 🤩
2026-01-19 View on X
Bloomberg

How a16z found success with 2024's $1.25B AI infrastructure fund, focusing on early funding and the largest investments at ~$60M, as it expands the fund to $3B

A newer fund run by an unconventional team at the venture firm is finding success focusing on infrastructure.

2025-10-17
Have been inspired by @JoshuaKushner's creativity, humility and drive since 2006. Not at all surprised to see what he's accomplished (and an easy bet to say he's just getting started)! 🐻
2025-10-17 View on X
Colossus

A profile of Joshua Kushner, including Thrive Capital's investments in GitHub and Stripe and its role in reinstating Sam Altman as OpenAI's CEO in November 2023

which is why you never find anyone from the Bilal Zuberi / @bznotes : Since it is @JoshuaKushner appreciation day, I should mention how he interned at General Catalyst in Boston wh...

2023-06-13
Thrilled for @a16z to be expanding across the pond and for our crypto colleagues to be planting the first flag. Cheers to @sriramk on this next adventure! 🇬🇧💫 https://twitter.com/...
2023-06-13 View on X
Axios

a16z plans to open a crypto-focused office in London and leads a $43M round in London-based Gensyn, which offers a decentralized compute network for training AI

Over the last year it has become clear that blockchains … Reuters : London crypto move is a sign of desperate times FinSMEs : Gensyn Raises £33.8M in Series A Funding Eli Dambel / ...

2023-06-08
Congrats to @Payrails_com on the milestone and welcome to our friends @TheHolyKau (@eqtventures) and @generalcatalyst! https://twitter.com/...
2023-06-08 View on X
TechCrunch

Berlin-based Payrails, which offers a framework for enterprise payment services, raised a $14.4M seed extension led by EQT Ventures, bringing its seed to $20.8M

Ingrid Lunden / TechCrunch :

2022-07-22
Excited to welcome folks to our *new* New York City office when it opens! 🗽🗽🗽 https://twitter.com/...
2022-07-22 View on X
Andreessen Horowitz

a16z moves its HQ to be “in the cloud” and plans to open offices in Miami Beach, New York, and Santa Monica “to be able to physically assemble anywhere”

2022-01-28
When I think of Founder x Company fit I can't help but think of @michael_yu. Would venture to say that there is no one in the world more knowledgeable or passionate about the intricacies of mortgage tech! 😎 Very excited that @astrange and @a16z are leading @usevesta's Series A. https://twitter.com/...
2022-01-28 View on X
TechCrunch

Vesta, which provides mortgage loan origination software to automate and simplify the lending process, raises a $30M Series A led by a16z

Mary Ann Azevedo / TechCrunch :

2022-01-09
So grateful for the opportunity to partner with more amazing founders. It's time to build! 💪https://a16z.com/...
2022-01-09 View on X
Andreessen Horowitz

Andreessen Horowitz raises $9B across three funds: a $1.5B Bio Fund, a $5B Growth Fund, and a $2.5B Venture Fund

2022-01-08
So grateful for the opportunity to partner with more amazing founders. It's time to build! 💪https://a16z.com/...
2022-01-08 View on X
Andreessen Horowitz

Andreessen Horowitz raises $9B across three funds: a $1.5B Bio Fund, a $5B Growth Fund, and a $2.5B Venture Fund

Ben Horowitz / Andreessen Horowitz :

2021-12-24
I first met @nathanblec the summer of 2007 while I was sophomore intern at an edtech company in San Francisco (Nathan was the lead engineer). Despite all of his success, he's remained the same humble, curious person I met all those years ago. https://www.forbes.com/...
2021-12-24 View on X
Forbes

Profile of Airbnb's technical co-founder Nate Blecharczyk, often tasked with the company's trickiest projects, like giving away $250M to 4M hosts in 2020

2021-09-26
Congratulations! @bijan you're an incredible investor and an even better human. Forever grateful that you took a bet on me as a colleague as well as an entrepreneur. Wouldn't be here without you. A 📸-walk soon - for old times sake! https://twitter.com/...
2021-09-26 View on X
Fortune

Jeremy Liew, Bijan Sabet, and Roger Ehrenberg stepping back from active roles at their firms reflects a broader generational shift in the VC industry

many of whom announced this week. Really feels like a ‘changing of the guard moment’ for the venture community. Austen Allred / @austen : Is there an overarching reason why so many...

2021-09-25
Congratulations! @bijan you're an incredible investor and an even better human. Forever grateful that you took a bet on me as a colleague as well as an entrepreneur. Wouldn't be here without you. A 📸-walk soon - for old times sake! https://twitter.com/...
2021-09-25 View on X
Fortune

Jeremy Liew, Bijan Sabet, and Roger Ehrenberg stepping back from active roles at their firms reflects a broader generational shift in the VC industry

Over the course of the past week, three venture capitalists have announced plans to step back from their investing roles at their respective firms.

2021-08-29
Thrilled to have more opportunities to partner with founders at the earliest stages of company building. Let's go! 💪 https://twitter.com/...
2021-08-29 View on X
TechCrunch

Interview with a16z General Partner Martin Casado as the company rolls out a new $400M fund focused on seed investments

again Maria Deutscher / SiliconANGLE : Andreessen Horowitz launches new $400M seed fund Jacquelyn Melinek / Blockworks : a16z Launches $400M Seed Fund To Expand Into New Technology...

2021-08-28
Thrilled to have more opportunities to partner with founders at the earliest stages of company building. Let's go! 💪 https://twitter.com/...
2021-08-28 View on X
TechCrunch

Interview with a16z General Partner Martin Casado as the company rolls out a new $400M fund focused on seed investments

Andreessen Horowitz has begun to announce new funds almost as routinely as some startups have begun announcing follow-on rounds.  After announcing a third biotech fund …

2021-06-11
Go @satyap and @hunterwalk! Proud of your leadership in helping create a more diverse investor ecosystem. Know how awesome it was to work with you guys as a founder and very excited that managers will now have a similar opportunity with @screendoorvc! https://twitter.com/...
2021-06-11 View on X
Forbes

Homebrew's Satya Patel and Hunter Walk team up with 8 VCs to launch Screendoor, a $50M fund to back up to 15 underrepresented investors raising their first fund