# Elon Musk on Reddit (u/ElonMuskOfficial)

Part of Founders and CEOs on Reddit, researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-07. Interactive version: https://www.autumn.ai/resources/founders-on-reddit/elon-musk

Elon Musk: Founder of SpaceX and CEO of Tesla.

- Reddit account: [u/ElonMuskOfficial](https://www.reddit.com/user/ElonMuskOfficial/) (AMA only)
- How we know it's theirs: [His 2015 r/IAmA AMA, posted from this account](https://www.reddit.com/r/IAmA/comments/2rgsan/)
- Where they post, in the records we retrieved: r/IAmA (20), r/spacex (2)
- Known activity in the posts we found: 2015 to 2016
- Wikipedia: https://en.wikipedia.org/wiki/Elon_Musk

## Moments

### u/ElonMuskOfficial in r/IAmA, Jan 6, 2015 · Funny

Replying to a redditor:

> Previously, you've stated that you estimate a 50% probability of success with the attempted landing on the automated spaceport drone ship tomorrow. Can you discuss the factors that were considered to make that estimation? In addition, can you talk more about the grid fins that…

> I pretty much made that up. I have no idea :)
>
> The grid fins are super important for landing with precision. The aerodynamic forces are way too strong for the nitrogen thrusters. In particular, achieving pitch trim is hopeless. Our atmosphere is like molasses at Mach 4!

Full thread: https://www.reddit.com/r/IAmA/comments/2rgsan/i_am_elon_musk_ceocto_of_a_rocket_company_ama/cnfqjjk/ · 3,909 points as of Nov 7, 2026