X.com was founded in 1999 by Biz Stone, Christopher Payne, Ed Ho, Elon Musk, Evan Williams, Harris Fricker and 2 more.

Who are X.com's co-founders?

X.com was co-founded by Biz Stone, Christopher Payne, Ed Ho, Elon Musk, Evan Williams, Harris Fricker and 2 more.

Company · Fintech

X.com

Q: What happened to X.com's founders?

7 people who founded or worked at X.com went on to start 34 other companies, including Biz Stone (Twitter, Medium and 2 more), Elon Musk (Zip2, PayPal and 12 more) and Evan Williams (Blogger, Pyra Labs and 3 more).

X.com was founded in 1999 in Palo Alto, USA by Biz Stone, Christopher Payne, Ed Ho, Elon Musk and 4 others. It is a Fintech company that was later acquired.

Online banking company founded by Elon Musk that merged with Confinity to form PayPal.

Acquired Founded 1999–2000 Palo Alto USA Fintech

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Acquired by PayPal.

X.com founders & co-founders

Where its founders came from

The companies and labs that produced X.com’s founders.

Google Zip2 PayPal

What happened to X.com’s founders and alumni

34 companies All ex-X.com founders →

People who worked at or founded X.com and went on to start their own companies.

The X.com lineage graph — click any node to keep exploring.

Biz Stone

4 founded

Twitter 2006 Medium 2012 Jelly 2013 West Co.

Elon Musk

14 founded

Zip2 1996 PayPal 1998 SpaceX 2002 Tesla 2003 Hyperloop One 2014 OpenAI 2015 Neuralink 2016 The Boring Company 2016 Thud 2017 xAI 2023 X Corp. 2023 SpaceXAI 2023 X Holdings Corp 2023 America PAC

Evan Williams

5 founded

Blogger 1999 Pyra Labs 1999 Odeo 2005 Twitter 2006 Medium 2012

Jack Dorsey

6 founded

Twitter 2006 Square 2009 Cash App 2013 Bluesky Social PBC 2021 Bluesky 2021 Omacom Foundation 2026

Jeremy Stoppelman

1 founded

Yelp 2004

Noah Glass

3 founded

Odeo 2005 Twitter 2006 Olo