# John Gruber, Principal > John Gruber, Principal. The rounds they were named in and the filings that name them, each with its source. Source: https://millionrounds.com/person/john-gruber (Millionrounds; every figure on the page links to its filing or article) Birmingham, US · Partner # John Gruber Principal at [O2 Investment Partners](https://millionrounds.com/fund/o2-investment-partners) Profile summary - **Rounds named:** - none observed - **Filings:** - with regulators - **Podcasts:** 2 +2 mentions What this record rests on - **Named in rounds** No round names them yet - **On filings** No filing names them - ✓ **Linked to a firm** At O2 Investment Partners - **Claimed** Not claimed yet Titles come from the investor lists this database was built from, so read them as of their date. [Correct or remove](https://millionrounds.com/corrections?person=john-gruber)[Is this you? Claim it](https://millionrounds.com/claim?person=john-gruber) ## The firm [**O2 Investment Partners** Private equity · US **0** cheques in 12 months **1** all time **0** led quiet](https://millionrounds.com/fund/o2-investment-partners) ## Also at O2 Investment Partners - [**Brent West** Chief Financial Officer *0 rounds*](https://millionrounds.com/person/brent-west) - [**Charles Miller** Principal *0 rounds*](https://millionrounds.com/person/charles-miller) - [**Gregg Orley** Senior Advisor *0 rounds*](https://millionrounds.com/person/gregg-orley) - [**Jason Kim** Cofounder + CEO *0 rounds*](https://millionrounds.com/person/jason-kim-2) - [**Jay Hansen** Managing Partner *0 rounds*](https://millionrounds.com/person/jay-hansen) - [**Jimmy Frye** Partner *0 rounds*](https://millionrounds.com/person/jimmy-frye) - [**Joe Vallee** Founder & Managing Partner *0 rounds*](https://millionrounds.com/person/joe-vallee) - [**Larrry Lax** Principal *0 rounds*](https://millionrounds.com/person/larrry-lax) ## Hear them before you pitch them - [TBPN](https://millionrounds.com/podcasts/tbpn) · 3 Aug 2026 · 2h 37m Astra Ends Math, 1 Person $1M Companies, Hank Green Is Absolutely Right | John Gruber, Shaun Maguire & Isaiah Taylor, Justin Lopas, Beau Gaston, Ron Arel With [John Gruber](https://millionrounds.com/person/john-gruber)[Shaun Maguire](https://millionrounds.com/person/shaun-maguire) Mentions [Google](https://millionrounds.com/fund/google-assistant-investments) About this episode (02:08) - Hank Green Is Absolutely Right (17:03) - Astra Ends Math (21:50) - 1 Person $1M Companies (40:33) - 𝕏 Timeline Reactions (51:52) - Meta Faces an AI Timing Problem (57:45) - 𝕏 Timeline Reactions (01:03:31) - John Gruber, a technology writer and founder of Daring… More on the show's page Listen on Apple PodcastsThe show's page - [TBPN](https://millionrounds.com/podcasts/tbpn) · 29 May 2026 · 2h 38m Blue Origin Explosion, Enterprise AI Hits Spending Limits, Dinosaur Market Booms | John Gruber, Ronak Malde, Zane Mountcastle, Jamie Cuffe, Kyle Kuzma, Brad Gerstner With [Brad Gerstner](https://millionrounds.com/person/brad-gerstner)[John Gruber](https://millionrounds.com/person/john-gruber)[Kyle Kuzma](https://millionrounds.com/person/kyle-kuzma) Mentions [Google](https://millionrounds.com/fund/google-assistant-investments) About this episode (00:43) - Blue Origin Explosion (07:38) - Enterprise AI Hits Spending Limits (21:48) - Dinosaur Market Booms (29:13) - John Gruber, a prominent technology writer and podcaster, discusses the Ferrari Luce's design, expressing that its appearance deviates from traditional Ferrari aesthetics,… More on the show's page Listen on Apple PodcastsThe show's page ### Mentioned in Episodes that name John Gruber in their description, which is not the same as being on them. - [Acquired](https://millionrounds.com/podcasts/acquired) · 6 Dec 2022 · 1h 48m Stratechery (with Ben Thompson) With [Ben Thompson](https://millionrounds.com/person/ben-thompson) Mentions [John Gruber](https://millionrounds.com/person/john-gruber) About this episode Ben Thompson joins Acquired to discuss the business of Stratechery itself and celebrate 10 years (!) of the internet’s best strategy analysis destination. Even beyond Stratechery’s enormous impact itself on business and tech over the years, Ben’s work inspired a whole generation of business content… More on the show's page Listen on Apple PodcastsThe show's page - [Invest Like the Best](https://millionrounds.com/podcasts/invest-like-the-best) · 2 Jun 2020 · 1h 20m Ben Thompson – Platforms, Ecosystems, and Aggregators - [Invest Like the Best, EP.176] With [Ben Thompson](https://millionrounds.com/person/ben-thompson) Mentions [John Gruber](https://millionrounds.com/person/john-gruber) About this episode My guest today is Ben Thompson. Ben is the author of my favorite business strategy newsletter called Stratechery. He’s also the host of the exponent podcast, and now the Dithering, a podcast he recently launched with John Gruber. I think Ben is among the most interesting business analysts in the… More on the show's page Listen on Apple PodcastsThe show's page Episodes of [the shows we follow](https://millionrounds.com/podcasts), matched by name. Not them? [Tell us](https://millionrounds.com/corrections?person=john-gruber). ## Find people like John Filter every partner and angel by firm, kind, market and whether we watched them invest. Free with an account. Search people[How we know what we know](https://millionrounds.com/methodology)