Brad Feld
Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.
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Where they publish
Feld ThoughtsBlog His blog since 2004, covering startups, venture capital, books and mental health.
Recent
- Overwatch: One Home Automation Dashboard to Rule Them All 4 Sept 2026
- The Argument Against AI Writing Is At Least 2,400 Years Old 9 Aug 2026
- What the Actual Fuck, Carl 26 Jul 2026
Show 17 more
- Zero Knowledge: Twenty Chapters In 24 Jul 2026
- Read Zero Knowledge As I Write It 19 Jun 2026
- RIP Josh Baer 17 Jun 2026
- Does the Rule of 40 Work for Hardware? 15 Jun 2026
- Writing a Novel with Phin Argofy 14 Jun 2026
- Phil Weiser For Colorado Governor 8 Jun 2026
- The Premise: The Lead User and the Machines That Build Machines 29 May 2026
- It's Summertime 25 May 2026
- How to Rule the World 22 May 2026
- The Cognitive Sport of Building Startups 15 May 2026
- Burn Bright, Not Out 1 May 2026
- The River 28 Apr 2026
- Give First, Build Right with Eric Ries 20 Apr 2026
- I Built a Plugin Because Anthropic Won't Stop Shipping 29 Mar 2026
- Nothing New to See Here 27 Mar 2026
- Opt-Out Is Not Consent 26 Mar 2026
- Quality 25 Mar 2026
Link verified 4 Sept 2026. Recent items update automatically from the channel.
@bfeldx.com His X account.
Recent
- Every piece of my home automation already worked. The only broken thing was that none of them talk to each other. So I built the dashboard myself. 4 Sept 2026
- Chapter 24.1: The Third Row Eleven people know there are three founders, not two. Their lawyer cuts every promise. These are the people trying to save her. "Sh… 3 Sept 2026
- Chapter 23.1: The Third Chair An FBI agent counts three chairs at a bench in the empty Basalt lab. Payroll says two people worked there, and the third name on… 2 Sept 2026
Show 17 more
- Chapter 22.1: The Log Dolores has worked the same hospital basement for twenty-two years. This morning a pump refuses a firmware update it would have accepted… 31 Aug 2026
- Chapter 20.1: The Long Drive Three founders Seth backed have gone dark. One texted him at 3 a.m. and stopped answering. He rehearses what he will say if Marcus… 31 Aug 2026
- A reader emailed to say he was getting tired of the setting. He was right, so I'm adding 40 chapters to Zero Knowledge - 23 of them inside the part that's alre… 30 Aug 2026
- Chapter 43: Out Loud Marcus is offered eight hours on a quantum computer. He pays by promising never to sell what his team built. Vlad asks what he gave away.… 30 Aug 2026
- Chapter 42: The List Marcus runs the numbers: ten billion in labor. Then he thinks through potential buyers for one that is safe. "It takes four minutes to loa… 30 Aug 2026
- I spent four days building the machinery around my novel instead of writing it. A dashboard that turns reader notes into published edits, two websites that exi… 30 Aug 2026
- Chapter 41: E. Voss An overnight block on a machine in Ohio is booked under their board member's name. Samantha cannot prove it is her and answers anyway. She… 28 Aug 2026
- Chapter 40: Lead Time A foreign operative reads parts shortages to time the emergency. The model said nineteen weeks; now it says twenty days. So the call goes… 27 Aug 2026
- Chapter 39: Fifteen A stranger indexes eleven terabytes of stolen data. Vlad types his mother's street into it. Marcus asks why anyone would dump it all now. "… 26 Aug 2026
- Chapter 38: Speaker Request An MIT physicist pulls down a seminar video she promised to delete two years ago. Two dots on a chart told her what her friend did.… 22 Aug 2026
- New chapter. A man dies standing in line outside a credit union in Tampa. Sixty-eight, five hours in the sun, and they are calling it a medical event. One of m… 22 Aug 2026
- New chapter. A man empties a credit union account and puts nineteen thousand dollars in a coffee can on his refrigerator. The teller had to get the manager. He… 21 Aug 2026
- For a decade now, the Startup Benchmarks Report (which you might remember as the OpenView SaaS report) has been a critical tool for founders trying to understa… 20 Aug 2026
- I'd been playing Claude slot-machine - feeding it and moving it along instead of thinking about each problem I was trying to solve. So I took a week off, read… 17 Aug 2026
- Chapter 35 of Zero Knowledge is live. Two of them can carry it. A third breaks the arithmetic. So somebody gets sent down to the creek. 9 Aug 2026
- In 1492 an abbot wrote a defense of copying manuscripts by hand. He had it printed. 9 Aug 2026
- New chapter of Zero Knowledge. She spent the night working out who to trust with it. They spent the night working out that knowing it would get her killed. 9 Aug 2026
Link verified 4 Sept 2026. Recent items update automatically from the channel.
Recommends rcmnd
What they recommendrcmnd 33 things — each backed by an exact quote.
Compiled by rcmnd.app, not by them: the quotes are theirs, and each links to the post it was copied from.
Recent
Savant Disliked
One of them is a Savant system that both Amy and I are sick of because it’s so pathetic.
feld.com 2026-09-04
J. Geiger shades Loved
Dungeon Crawler Carl Loved
I’ve savored this series for the past eight months, listening to about one a month on Audible while I run.
feld.com 2026-07-26
Show 30 more
How to Rule the World Loved
I was entranced, horrified, and amused, often on the same page.
feld.com 2026-05-22
How to Rule the World: An Education in Power at Stanford University Loved
I was entranced, horrified, and amused, often on the same page.
feld.com 2026-05-21
What others say about How to Rule the World: An Education in Power at Stanford University →
Incorruptible Recommends
The Lean Startup helps you build a valuable company. Incorruptible is about how and why to protect it, keeping a company mission-driven over the long term instead of letting it rot from the inside.
feld.com 2026-04-20
The Lean Startup Loved
Eric Ries wrote The Lean Startup in 2011 and changed how a generation of founders thought about building companies.
feld.com 2026-04-20
Zen and the Art of Motorcycle Maintenance Loved
I’ve read it at least a half dozen times since. I’ve listened to it on Audible twice.
feld.com 2026-03-25
What others say about Zen and the Art of Motorcycle Maintenance →
The Pathless Path: Imagining a New Story For Work and Life Liked
Paul’s book reinforced the framing for what I’ve been doing.
feld.com 2026-03-22
What others say about The Pathless Path: Imagining a New Story For Work and Life →
Hiking Zen: Train Your Mind in Nature Liked
The book isn’t about covering miles or conquering peaks. It’s about what happens when you pay attention on a trail.
feld.com 2026-03-22
What others say about Hiking Zen: Train Your Mind in Nature →
Burn Bright, Not Out Recommends
His book Burn Bright, Not Out - co-authored with Django De Gree - is what I wish had existed a long time ago.
feld.com 2026-03-22
Capital Evolution: The New American Economy Loved
Seth and his co-author, Elizabeth MacBride, do an outstanding job of defining capitalism clearly and explaining how it evolved into today’s approach.
feld.com 2025-12-09
What others say about Capital Evolution: The New American Economy →
Give First: The Power of Mentorship Recommends
Enshittification Loved
I’ve been a long-time Cory Doctorow fan. His new book Enshittification is delicious.
feld.com 2025-11-21
Echoes of October Liked
I approached Echoes of October with trepidation. A graphic novel about violence and grief isn’t easy terrain. But it succeeds in a haunting, urgent way.
feld.com 2025-10-11
AI & I Recommends
If you want the short version, the recent AI & I podcast with Reid is an excellent way to get a feel for it.
feld.com 2025-09-12
Superagency: What Could Possibly Go Right with Our AI Future Loved
is spectacular and a must-read for every non-technologist about how to think about this “AI thing.”
feld.com 2025-09-12
What others say about Superagency: What Could Possibly Go Right with Our AI Future →
City on the Edge Loved
It’s fantastic and is going to be a powerful and definitive story of San Francisco from 1990 to the present day.
feld.com 2025-09-03
The Night Slayer Liked
George would write an epic YA coming-of-age fantasy series that moves faster than the Percy Jackson books
feld.com 2025-09-03
Ensorcelled Loved
Ensorcelled by Eliot Peper is genius. It’s a unique format that can be read in one setting. The writing is beautiful.
feld.com 2025-09-03
Fever Pitch: A Novel About Selling Your Vision, Raising Venture Capital, and Launching Your Startup Loved
Little Black Classics Box Set Read
It’s my summer reading project, which is a curated library of eighty pocket-sized books that encapsulate the breadth and diversity of literary history.
feld.com 2025-06-19
The System: A Novel of the Deep State Loved
I love Barry’s writing and read every book he writes. He has total mastery of the contemporary thriller with extraordinarily vibrant characters and a zillion endnotes that tie to things that are actually happening in the real world.
feld.com 2025-06-19
What others say about The System: A Novel of the Deep State →
The Big Gamble Liked
Carrie Soto Is Back Loved
But Carrie Soto Is Back was spectacular.
feld.com 2025-05-05
Venture Adventure: Startup Fundraising Advice from Top Global Investors Recommends
both of which I recommend
feld.com 2025-04-22
What others say about Venture Adventure: Startup Fundraising Advice from Top Global Investors →
Ecosystem Arabia: The Making of a New Economy Recommends
I have written forewords for Amir in the past on two of his prior books, Ecosystem Arabia: The Making of a New Economy and Venture Adventure: Startup Fundraising Advice from Top Global Investors, both of which I recommend.
feld.com 2025-04-22
What others say about Ecosystem Arabia: The Making of a New Economy →
Bandwidth: The Untold Story of Ambition, Deception, and Innovation that Shaped the Internet Age and Dot-Com Boom Loved
See an excerpt explaining why I loved reading this book.
feld.com 2025-01-10
Unshackled: A Practical Guide For Highly-Skilled Immigrants To Thrive In The United States Recommends
breaks down how legal immigration works in America in a way that is friendly, accessible, and human
feld.com 2023-07-17
Avid Reader: A Life Recommends
If you want to understand that in-depth, grab a copy of Avid Reader: A Life by Robert Gottlieb.
feld.com 2023-05-21
String Theory: David Foster Wallace on Tennis Liked
coming in a close second
feld.com 2023-05-21
What others say about String Theory: David Foster Wallace on Tennis →
Levels of the Game Loved
I’ve read many books about tennis, but it’s still my favorite
feld.com 2023-05-21
Draft No. 4: On the Writing Process Loved
McPhee is a spectacular writer.
feld.com 2023-05-21
Latest
Full feed →Everything, newest firstFeed Posts and recommendations from the cards above, in one stream.
Filter & sortAll sources · condensed
- Every piece of my home automation already worked. The only broken thing was that none of them talk to each other. So I built the dashboard myself. 4 Sept
- Overwatch: One Home Automation Dashboard to Rule Them All 4 Sept
- Chapter 24.1: The Third Row Eleven people know there are three founders, not two. Their lawyer cuts every promise. These are the people trying to save her. "Sh… 3 Sept
- Chapter 23.1: The Third Chair An FBI agent counts three chairs at a bench in the empty Basalt lab. Payroll says two people worked there, and the third name on… 2 Sept
- Chapter 22.1: The Log Dolores has worked the same hospital basement for twenty-two years. This morning a pump refuses a firmware update it would have accepted… 31 Aug
- Chapter 20.1: The Long Drive Three founders Seth backed have gone dark. One texted him at 3 a.m. and stopped answering. He rehearses what he will say if Marcus… 31 Aug
Show 39 more
- A reader emailed to say he was getting tired of the setting. He was right, so I'm adding 40 chapters to Zero Knowledge - 23 of them inside the part that's alre… 30 Aug
- Chapter 43: Out Loud Marcus is offered eight hours on a quantum computer. He pays by promising never to sell what his team built. Vlad asks what he gave away.… 30 Aug
- Chapter 42: The List Marcus runs the numbers: ten billion in labor. Then he thinks through potential buyers for one that is safe. "It takes four minutes to loa… 30 Aug
- I spent four days building the machinery around my novel instead of writing it. A dashboard that turns reader notes into published edits, two websites that exi… 30 Aug
- Chapter 41: E. Voss An overnight block on a machine in Ohio is booked under their board member's name. Samantha cannot prove it is her and answers anyway. She… 28 Aug
- Chapter 40: Lead Time A foreign operative reads parts shortages to time the emergency. The model said nineteen weeks; now it says twenty days. So the call goes… 27 Aug
- Chapter 39: Fifteen A stranger indexes eleven terabytes of stolen data. Vlad types his mother's street into it. Marcus asks why anyone would dump it all now. "… 26 Aug
- Chapter 38: Speaker Request An MIT physicist pulls down a seminar video she promised to delete two years ago. Two dots on a chart told her what her friend did.… 22 Aug
- New chapter. A man dies standing in line outside a credit union in Tampa. Sixty-eight, five hours in the sun, and they are calling it a medical event. One of m… 22 Aug
- New chapter. A man empties a credit union account and puts nineteen thousand dollars in a coffee can on his refrigerator. The teller had to get the manager. He… 21 Aug
- The Argument Against AI Writing Is At Least 2,400 Years Old 9 Aug
- What the Actual Fuck, Carl 26 Jul
- Zero Knowledge: Twenty Chapters In 24 Jul
- Read Zero Knowledge As I Write It 19 Jun
- RIP Josh Baer 17 Jun
- Does the Rule of 40 Work for Hardware? 15 Jun
- Writing a Novel with Phin Argofy 14 Jun
- Phil Weiser For Colorado Governor 8 Jun
- The Premise: The Lead User and the Machines That Build Machines 29 May
- It's Summertime 25 May
- How to Rule the World 22 May
- The Cognitive Sport of Building Startups 15 May
- Burn Bright, Not Out 1 May
- The River 28 Apr
- Burn Bright, Not Out 22 Mar Recommends
- Hiking Zen: Train Your Mind in Nature 22 Mar Liked
- The Pathless Path: Imagining a New Story For Work and Life 22 Mar Liked
- Capital Evolution: The New American Economy 9 Dec 2025 Loved
- Give First: The Power of Mentorship 25 Nov 2025 Recommendstheir own
- Enshittification 21 Nov 2025 Loved
- Echoes of October 11 Oct 2025 Liked
- Superagency: What Could Possibly Go Right with Our AI Future 12 Sept 2025 Loved
- AI & I 12 Sept 2025 Recommends
- Ensorcelled 3 Sept 2025 Loved
- The Night Slayer 3 Sept 2025 Liked
- City on the Edge 3 Sept 2025 Loved
- Fever Pitch: A Novel About Selling Your Vision, Raising Venture Capital, and Launching Your Startup 23 Jun 2025 Loved
- The System: A Novel of the Deep State 19 Jun 2025 Loved
- Little Black Classics Box Set 19 Jun 2025 Read