
John Doerr
@johndoerr
Passionate about moving leaders to act—with speed and scale. Chair @KleinerPerkins
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1/ Ann and I are thrilled to announce our collaboration with @Stanford to create its first new school in 70 years – The Stanford Doerr School of Sustainability. nytimes.com/2022/05/04/cli…
It’s hard to imagine a better use for AI than @EvidenceOpen. Daniel Nadler and his world-class team at OpenEvidence are building what I believe will become an AI-era treasure—a life-saving resource for doctors, patients, and their families. I can’t imagine the future without…
This year, more than 100 million Americans will be treated by a doctor who has used OpenEvidence. Word of mouth has propelled @EvidenceOpen into 10,000+ hospitals and clinics, helping healthcare providers access, evaluate, and apply the world’s medical knowledge. We’re proud to…
The 2025 #HeartlandSummit brought together trailblazers committed to unlocking the region’s potential. Thanks to @HeartlandFwd for the opportunity to talk OKRs, AI, & healthcare and to @axios for capturing the energy and purpose behind the movement. Full article:…
I'm thrilled to share the @speedandscale 2024 Global Climate Tracker. It shows where progress toward net zero has been made, where it's lagging, and what we need to do to get there in time. Dig in. speedandscale.com/tracker/
Exciting news: we’ve raised a $100M Series C, led by Greenoaks and including @kleinerperkins, @sequoia, and other existing investors. Read more about what we have in store for our next chapter >> watershed.com/blog/series-c
It’s one thing to announce a net zero target. It’s a another thing entirely to sign contracts to deliver on it. Huge props to JPMorgan for inking some major carbon removal purchases. We’re stoked to go put another 28,585 tCO₂ underground @CharmIndustrial wsj.com/articles/jpmor…
I’ve been playing around with @OpenAI’s #ChatGPT tool, and I’m so impressed by its ability to articulate and interpret complex issues. I just prompted it to “write a ten-tweet thread on healthcare in America,” and this is what it gave me:
ICYMI: @RyPan & Anjali of @SpeedandScale hosted a #COP27 Power Hour with global climate leaders @topnigel @UNenvoyMM @AngelaAchurie & @investinclimate. Press play to listen to the conversation & learn what we can take away from #COP27.
This might come as a surprise, but protected bike lanes are the best investment of a city’s infrastructure dollars when it comes to tackling the climate crisis. speedandscale.com/now-is-the-tim… Here’s why ⬇️ 1/8
Did you know that while over 50% of Fortune Global 500 companies have a climate commitment, only 5% have a clear net zero goal for 2050 or earlier? That's less than 30 companies! If you work at one of these companies YOU can fix this 🧵from #VERGE22 @GreenBiz on what to do ➡️


Entrepreneurs are heroes. They are provocateurs, risk-takers, innovators. In Rise of the Rest, @SteveCase paints a hopeful American future, built on the shoulders of founders across the country. amazon.com/Rise-Rest-Entr…
#RiseOfRestBook is finally here. I hope its stories give you as much hope about America’s future as the entrepreneurs I’ve met in the last 10 years have given me. Order your copy today: rvltn.vc/ROTR
We’re so excited for our first #TwitterSpace with @rypan in conversation with climate experts, @maryannehitt @JustinHGillis @robbieorvis and @investinclimate!
Episode 100 of Grit with @johndoerr! From getting hired on his second try @kleinerperkins, to his conviction in making early bets that weren't obvious at the time like @amazon and @Google. Congrats @Joubinmir for hitting the 💯 episode milestone. 🎉 open.spotify.com/episode/6cNTRp…
Thank you @POTUS for signing the historic #InflationReductionAct into law and making clean energy more affordable for all Americans. This new legislation will cut U.S. emissions by 40% by 2030 – getting us closer to our climate goals and helping us secure a habitable future.
The Inflation Reduction Act will help save money on prescription drugs, cut health care premiums, cut energy costs, take aggressive action on climate, and make large corporations pay their fair share in taxes. We got it done.

The catalyst for my involvement in climate action was my daughter, Mary. She held me accountable all those years back, & she continues to push me to act with @speedandscale. This moment is for Mary, her generation, and all those to come. Father to father, thank you @brianschatz.
The Inflation Reduction Act will help save money on prescription drugs, cut health care premiums, cut energy costs, take aggressive action on climate, and make large corporations pay their fair share in taxes. We got it done.

The Inflation Reduction Act is groundbreaking policy for the U.S. and the world in the fight on climate change. Let’s get this done—with speed & scale.
🚨 Projected to reduce carbon emissions roughly 40% by 2030, the Inflation Reduction Act (IRA) is amazing progress on congressional climate legislation. 🚨 Here’s a breakdown of just some of the bill's actions by our @speedandscale OKRs. ⬇️
This climate action tracker shows exactly where we are on the path to net zero f-st.co/S4GRLUw
One of the best conversations I've had on climate in a long time. Thanks for having me @KaraSwisher. podcasts.apple.com/us/podcast/can…
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