25iq
25iq.com · Personal blog · on HN since 2010
Tren Griffin writes lists of lessons drawn from investors and founders such as Munger, Naval Ravikant and Paul Graham.
What HN saysCommenters praise Griffin's posts as great, and link them for venture capital, mental models, business analysis and examples of premature scaling.
80HN people shared it
16linked it in comments
89stories submitted
384story points
2 years agolast shared
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Most-shared posts
- 112 Things I’ve Learned from Naval Ravikant about Investing and Startups7 people · 22 points · first shared 2016 · discussion on HN
- 2What might the Amazon, Berkshire and JPM health care joint venture actually do?3 people · 69 points · first shared 2018 · 21 comments on HN
- 3A Dozen Things I’ve Learned from Paul Graham3 people · 17 points · first shared 2014 · discussion on HN
- 4A Dozen Things I’ve Learned from Chamath Palihapitiya About Investing and Business3 people · 6 points · first shared 2016 · discussion on HN
- 5A dozen lessons about product/market fit3 people · 5 points · first shared 2017 · discussion on HN
- 6A Dozen Things I’ve Learned from Mike Maples Sr. About Business and Investing3 people · 2 points · first shared 2016 · discussion on HN
- 7A Dozen Things I’ve Learned from Charlie Munger about Mental Models and Wisdom3 people · 1 points · first shared 2017 · discussion on HN
- 8MoviePass. Premature Scaling?2 people · 5 points · first shared 2018 · discussion on HN
- 9A Dozen Things I’ve Learned from Charlie Munger about Moats2 people · 4 points · first shared 2015 · discussion on HN
- 10A Dozen Things I’ve Learned from Nassim Taleb about Optionality/Investing2 people · 4 points · first shared 2013 · discussion on HN
- 11A Dozen Things I’ve Learned from Keith Rabois about Venture Capital and Business2 people · 3 points · first shared 2015 · discussion on HN
- 12A Dozen Things I’ve Learned from Chris Sacca About Venture Capital2 people · 3 points · first shared 2015 · discussion on HN
- 13A Dozen Things I have Learned from Jeff Bezos2 people · 2 points · first shared 2014 · discussion on HN
- 14The 1990s Telecom Bubble. What Can We Learn?2 people · 2 points · first shared 2017 · 1 comments on HN
- 15Risk, Uncertainty and Ignorance in Investing and Business (2018)2 people · 2 points · first shared 2021 · discussion on HN
What HN people wrote when they linked it
notlukesky · 2023-03-26
It’s great seeing any post by Tren Griffin.
This is another great post by him:
https://25iq.com/2019/06/08/secrets-of-sand-hill-road-venture-capital-…
Nemi · 2022-10-04
Charlie Munger (of Berkshire Hathaway fame) says that the best investors are multi-disciplinary, because everything in life is interrelated. I tend to agree with him. It goes beyond investing.
This talks about Munger’s concept of multi-disciplines and using lutiple “models” in life.
https://25iq.com/2015/08/22/a-dozen-things-ive-learned-from-charlie-mu…
mbesto · 2021-11-01
> Seems like market valuations aren't that closely tied to profitability at the moment...
This trope needs to die. Not all "profitability" is the same.
A few things to note:
- "You will see many people talk about Amazon’s focus on “growth” vs. margins, but the right focus is instead absolute dollar fee cash flow."[0]
- SaaS revenue is different.[1]
- NetSuite's most profitable year was in 2009 (yes that 2009 when the great recession happened) because they simply turned off the S&M engine. [2]
[0] - https://25iq.com/2014/04/26/a-dozen-things-i-have-learned-from-jeff-be…
[1] - https://a16z.com/2014/05/13/understanding-saas-valuation-primer/
[2] - https://soundcloud.com/a16z/a16z-podcast-why-saas-revenue-is-worth-mor…
gexla · 2019-04-13
Morgan Housel for financial advice. Just Google the name and follow his Twitter feed if you have an account there.
I have learned a ton through playing poker. The game has a lot of carry-over into real life. Luck vs Skill. Variance. Take a look at the link for a great review on a great book about poker.
https://25iq.com/2018/10/13/lessons-from-annie-duke-author-of-thinking…
awad · 2018-01-03
In a way, these dynamics remind me of the movie theater business. Here's a good read:
https://25iq.com/2017/12/30/moviepass-premature-scaling/
Given that music is generally not a substitutable good, margins can only be so strong on the core streaming product to your very point. I'm not really aware of any other revenue stream they may have (do they do ads?) and am curious what they might propose. Presumably they do have enough scale to be possible successful with something tied to monetizing their user data whether through ads or some other value-added service?
bluker · 2015-11-21
Tl;dr
Adolescence is hard.
http://25iq.com/2015/11/14/charlie-munger-ama-how-does-charlie-munger-…
jboy55 · 2022-10-22
Looking at the dot-com era, it probably would be more likely to compare crypto to the sudden rise and collapse of the 'dark fiber' companies.
https://25iq.com/2017/11/11/the-1990s-telecom-bubble-what-can-we-learn…
"Om Malik wrote a book on this period in which he estimated that $750 billion vanished when the telecom bubble burst. That’s a reasonable estimate in my view. The most interesting questions about a phenomenon like this are always: Why did it happen? What can we learn?"
imakwana · 2022-05-13
" Take a simple idea & take it seriously " - Charlie Munger
A good collection of his quotes over time :
https://25iq.com/quotations/charlie-munger/
marvel_boy · 2021-12-18
`The global negotiator` by Trenn Griffin[1].
Now free to read https://twitter.com/trengriffin/status/1472251905480880133?s=20
[1]https://25iq.com/wp-content/uploads/2016/05/the_global_negotiator.pdf
firasd · 2019-01-13
The author Tren Griffin has many articles like this on his website, it's his 'genre'. Not sure if this was just cross-posted or newly written: https://25iq.com/featured-individuals/
klochner · 2017-12-26
Tren Griffin is a big proponent of Charlie Munger’s use of mental modals.
This post has a good list of models:
https://25iq.com/2015/08/22/a-dozen-things-ive-learned-from-charlie-mu…
Tren’s weekly ‘dozen things I’ve learned from foo’ series is generally high quality.
heymijo · 2016-11-17
Tren Griffin, the 4th employee at Teledesic, has a good write up of it with lessons learned. May be able to see if anything has changed that may make these new efforts work where others failed.
https://25iq.com/2016/07/23/a-dozen-things-i-learned-being-involved-in…
AJ007 · 2016-08-01
Really Batista is like an anti-Musk. I'm not sure I could find two billionaires(ex-billionaire) who were further apart.
Charlie Munger's quote I read in Poor Charlie's Almanack a really long time ago resonated with me pretty well when I saw Batista being interviewed on Charlie Rose years back. “Bernie Ebbers and Ken Lay were caricatures – they were easy to spot. They were almost psychopaths." * Since no copy of the book online, https://25iq.com/charlie-munger-book-to-date-chapters-1-5/
lpolovets · 2015-03-02
Here's a good post that highlights some of the takeaways from the annual report: http://25iq.com/2015/02/28/a-dozen-things-taught-by-warren-buffett-in-…
peloton · 2015-01-16
From the LP pov, it boils down to capital concentration. Most LPs I've spoken with are not that different from Michael Kim (LP from the article) in that they are for capital concentration. It is the most controversial part of the offering.
Reference:
http://25iq.com/2013/01/16/charlie-munger-on-investment-concentration-…
http://robgo.org/2013/10/21/decision-making-speed-of-big-funds-vs-seed…
https://twitter.com/trengriffin/status/264789822982471680
https://twitter.com/sama/status/458094667972624384
That said, in the end, real performance trumps everything.
toomuchtodo · 2025-01-10
Related:
Mike Maples Sr., 1942-2025: Microsoft’s ‘adult in the room’ had a deep impact on the company - https://www.geekwire.com/2025/mike-maples-sr-1942-2025-microsofts-adul…
A Dozen Things I’ve Learned From Mike Maples Sr. About Business and Investing - https://25iq.com/2016/07/01/a-dozen-things-ive-learned-from-mike-maple…
Mr. Michael J. Maples, Sr. - IT History Society - https://www.ithistory.org/honor-roll/mr-michael-j-maples-sr
140: Mike Maples, Sr. - Microsoft Legend | Legends & Losers Podcast [video] - https://www.youtube.com/watch?v=IHjDxy1Czys
Mike Maples Interview - 7 May 2004 - https://www.robertgaskins.com/powerpoint-history/documents/ensmenger-c…